50 条评论

  • @ 2026-7-17 9:07:27

    👎 3
    😕 1
    • @ 2026-7-16 19:16:29

      👎 2
      🤡 1
      • @ 2026-7-16 19:05:31

        🤡 1
        • @ 2026-7-16 19:02:57

          🤡 2
          • @ 2026-7-16 10:14:25

            🤡 1
            • @ 2026-7-15 19:17:05

              eea

              • @ 2026-7-15 19:16:48

                111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111

                • @ 2026-7-15 19:16:28

                  1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1

                  • @ 2026-7-15 19:16:15

                    1 1

                    1 1 1 1 1 11

                    11

                    • @ 2026-7-15 18:39:49

                      • @ 2026-7-15 17:42:02

                        (发了一句话)

                        • @ 2026-7-15 16:55:42

                          气死我了

                          ❤️ 3
                        • @ 2026-7-15 11:59:01

                          啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊

                          🌿 3
                          👎 1
                          👍 1
                          🤡 1
                          • @ 2026-7-15 10:55:14

                            我去我不太会vector你们信吗

                          • @ 2026-7-15 10:50:46

                            我去?老美的NASA这么厉害?居然把我探测出来了 愚蠢的地球人 我是来统治你们的星球的 我来自尊贵的处女座 我要在你们的脸上拉一泡屎 嗯嗯嗯嗯(使劲)嗯嗯额嗯嗯我去谁把我厕纸换成胶带了我的肛毛!

                            🤔 4
                            👎 1
                            👀 1
                            🤡 1
                            • @ 2026-7-15 11:26:26

                              ?

                            • @ 2026-7-15 18:54:11

                              啥玩意儿啊??? 愚蠢的外星人 ---李懋

                            • @ 2026-7-15 19:02:18

                              真恶心🐊💚 呕 就凭你??? 做梦!!! 哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈

                            • @ 2026-7-15 19:04:14

                              @ 糖死我了

                            • @ 2026-7-15 19:06:05

                              @ 你**吧!!!!!!

                            • @ 2026-7-15 19:11:33

                              可以

                            • @ 2026-7-16 9:05:39

                              什么东西?! 恶不恶心 呕

                            • @ 2026-7-29 9:08:11

                              @ 礼貌,30年后记得回复我😊

                          • @ 2026-7-15 10:45:58

                            欸~~~duangduangduang磊哥磊哥磊哥dandan嘚~ 昨天晚上做了个梦~

                            🤡 1
                            • @ 2026-7-15 10:16:32

                              积极

                              🤡 1
                              • @ 2026-7-15 10:01:47

                                #include<bits/stdc++.h> using namespace std; const int N = 1000000; int a[N]; int main(){ vectorva(n+1); int n; //输入一个n //定义动态数组,大小为n+1 cin>>n; for (int i = 1;i <= n;i++){ cin>>a[i]; } return 0; }

                                • @ 2026-7-15 10:00:01
                                  #include<iostream>
                                  #include<vector>
                                  using namespace std;
                                  vector<int>a;
                                  int main() {
                                      a.push_back(999);
                                      a.push_back(666);
                                      a.push_back(777);
                                      for(int i = 0; i < a.size(); i++) {
                                          cout << a[i];
                                      }
                                      cout << endl;
                                      cout << a[a.size() - 1] << endl;
                                      sort(a.begin(), a.end());
                                      for(int i = 0; i < a.size(); i++) {
                                          cout << a[i] << ' ';
                                      }
                                      cout << endl;
                                      a.reserve(a.begin(), a.end());
                                      for(int i = 0; i < a.size(); i++) {
                                          cout << a[i] << ' ';
                                      }
                                      cout << endl;
                                      return 0;
                                  }
                                  
                                  • @ 2026-7-15 9:44:41
                                    #include<bits/stdc++.h>
                                    using namespace std;
                                    
                                    const int N = 2e6 + 5;
                                    
                                    int n, q;
                                    int x[N], y[N], len;
                                    
                                    void operation(char c){
                                        int tx = x[len], ty = y[len];
                                        if(c == 'R')tx++;
                                        if(c == 'L')tx--;
                                        if(c == 'U')ty++;
                                        if(c == 'D')ty--;
                                        
                                        ++len;
                                        x[len] = tx, y[len] = ty;
                                    }
                                    
                                    int main(){
                                    
                                        cin >> n >> q;
                                        //贪吃蛇鸡b人
                                        //按照屁股->头部的顺序入栈,也就是len的位置是头部
                                        //蛇把自己的头伸进自己的屁股里,小馋蛇真贪吃
                                        for(int i = n; i >= 1; i -- ){
                                            ++len;
                                            x[len] = i;
                                            y[len] = 0;
                                        }
                                    
                                        while(q -- ){
                                            int op;
                                            cin >> op;
                                    
                                            if(op == 1){
                                                char c;
                                                cin >> c;
                                                operation(c);
                                            }else{
                                                int c;
                                                cin >> c;
                                                cout << x[len-c+1] << ' ' << y[len-c+1] << endl;
                                            }
                                        }
                                    
                                        return 0;
                                    }
                                    
                                    • @ 2026-7-15 9:43:42

                                      #include <bits/stdc++.h> using namespace std; int main(){ vector v;

                                          int m;
                                      
                                      cin >> m;
                                      
                                          while(m--){
                                          	string s;
                                          	cin >> s;
                                          	if(s == "push_back"){
                                          		int x;
                                          		cin >> x;
                                                  v.push_back(x);		
                                          	}else if(s=="size"){
                                          		cout << v.size() << endl;
                                      		}else{
                                      			if(a.size()==0) cout 
                                      

                                      << "error" << endl; else cout << v[v.size()-1] << endl; }

                                      	}
                                      
                                      return 0;
                                      

                                      }看我超级防抄

                                      ❤️ 2
                                      • @ 2026-7-15 9:41:52
                                        #include<bits/stdc++.h>
                                        using namespace std;
                                        
                                        const int N = 2e6 + 5;
                                        
                                        int n, q;
                                        int x[N], y[N], len;
                                        
                                        void operation(char c){
                                            int tx = x[len], ty = y[len];
                                            if(c == 'R')tx++;
                                            if(c == 'L')tx--;
                                            if(c == 'U')ty++;
                                            if(c == 'D')ty--;
                                            
                                            ++len;
                                            x[len] = tx, y[len] = ty;
                                        }
                                        
                                        int main(){
                                        
                                            cin >> n >> q;
                                        
                                            //按照尾巴->头部的顺序入栈,也就是len的位置是头部
                                            for(int i = n; i >= 1; i -- ){
                                                ++len;
                                                x[len] = i;
                                                y[len] = 0;
                                            }
                                        
                                            while(q -- ){
                                                int op;
                                                cin >> op;
                                        
                                                if(op == 1){
                                                    char c;
                                                    cin >> c;
                                                    operation(c);
                                                }else{
                                                    int c;
                                                    cin >> c;
                                                    cout << x[len-c+1] << ' ' << y[len-c+1] << endl;
                                                }
                                            }
                                        
                                            return 0;
                                        }
                                        
                                        • @ 2026-7-15 9:39:54

                                          郑老师也发一条平论😊

                                          🤡 2
                                        • @ 2026-7-15 9:38:16

                                          #include<bits/stdc++.h> using namespace std; vectora; int main(){ a.push_back(999); a.push_back(666); a.push_back(777); for(int i=0; i<a.size(); i++){ cout<<a[i]<<' '; } cout<<endl; a.erase(a.begin()+2); for(int i=0; i<a.size(); i++){ cout<<a[i]<<' '; } cout<<endl; cout<<a[a.size()-1]<<endl; sort(a.begin(),a.end()); for(int i=0; i<a.size(); i++){ cout<<a[i]<<' '; } cout<<endl; reverse(a.begin(), a.end()); for(int i=0; i<a.size(); i++){ cout<<a[i]<<' '; } cout<<endl; a.erase(a.begin()+a.size()-1); for(int i=0; i<a.size(); i++){ cout<<a[i]<< ' '; } cout<<endl; return 0; }

                                          • @ 2026-7-15 9:36:29

                                            👎 2
                                            • @ 2026-7-15 9:36:14
                                              #include<bits/stdc++.h>
                                              using namespace std;
                                              
                                              
                                              
                                              //a + b问题
                                              int main(){
                                                long long a,b;
                                                cin >> a >> b;
                                                cout << a + b;
                                                return 0;
                                              }
                                            • @ 2026-7-15 9:35:37

                                              #include<bits/stdc++.h> using namespace std; const int N = 1000000; int a[N]; vectora; int main(){ a.push_back(78); a.push_back(91); a.push_back(77); for (int i = 0;i < a.size();i++){ cout<<a[i]<<' '; } cout<<endl; a.erase(a.begin() + 2); for (int i = 0;i < a.size();i++){ cout<<a[i]<<' '; } cout<<endl; cout<<a.[a.size() - 1]<<endl; sort(a.begin(),a.end()); for (int i = 0;i<a.size();i++){ cout<<a[i]<<' '; } cout<<endl; a.erase(a.begin()+a.size() - 1); for(int i = 0;i < a.size();i++){ cout<<a[i]<<' '; } cout<<endl; return 0; } 自信提交

                                              • @ 2026-7-15 9:34:36

                                                #include<bits/stdc++.h> using namespace std; vector a; int main(){ a.push_back(999); a.push_back(666); a.push_back(777); for(int i=0; i<a.size();i++)cout<<a[i]<<' '; cout << endl; a.erase(a.begin()+2); for(int i=0; i<a.size();i++)cout<<a[i]<<' '; cout<<endl; cout<<a[a.size()-1] << endl; sort(a.begin(),a.end()); for(int i=0; i<a.size();i++){cout << a[i] << ' '; cout << endl; reverse(a.begin(),a.end()); for(int i= 0;i<a.size();i++)cout<<a[i]<<' '; cout<<endl; a.erase(a.begin()+a.size()-1); a.erase(a.end()-1); for(int i= 0; i < a.size(); i ++ )cout << a[i] << ' '; cout << endl; return 0; }

                                                • @ 2026-7-15 9:34:24
                                                  #include <bits/stdc++.h>
                                                  using namespace std;
                                                  vector <int> a;
                                                  int main(){
                                                  	a.push_back(999);
                                                  	a.push_back(666);
                                                  	a.push_back(777);
                                                  	for(int i = 0;i < a.size();i++){
                                                  		cout << a[i] << ' ';
                                                  	}
                                                  	cout << endl;
                                                  	cout << a[a.size() - 1] << endl;
                                                  	sort(a.begin(),a.end());
                                                  	for(int i = 0;i < a.size();i++){
                                                  		cout << a[i] << ' ';
                                                  	}
                                                  	cout << endl;
                                                  	a.erase(a.begin() + a.size - 1);
                                                  	for(int i = 0;i < a.size();i++){
                                                  		cout << a[i] << ' ';
                                                  	}
                                                  	cout << endl;
                                                  	return 0;
                                                  }
                                                  
                                                  • @ 2026-7-15 9:33:25

                                                    #include<bits/stdc++.h> using namespace std;

                                                    vector a;

                                                    int main(){

                                                    a.push_back(666);
                                                    a.push_back(777); 
                                                    for(int i= 0; i < a.size(); i ++ ){
                                                        cout << a[i] << ' ';
                                                    }
                                                    cout << endl;
                                                    
                                                    
                                                    a.erase(a.begin() + 2);
                                                    for(int i= 0; i < a.size(); i ++ ){
                                                        cout << a[i] << ' ';
                                                    }
                                                    cout << endl;
                                                    
                                                    
                                                    cout << a[a.size()-1] << endl;
                                                    
                                                    
                                                    sort(a.begin(),a.end());
                                                    for(int i= 0; i < a.size(); i ++ ){
                                                        cout << a[i] << ' ';
                                                    }
                                                    cout << endl;
                                                    
                                                    
                                                    reverse(a.begin(), a.end());
                                                    for(int i= 0; i < a.size(); i ++ ){
                                                        cout << a[i] << ' ';
                                                    }
                                                    cout << endl;
                                                    a.erase(a.begin()+a.size()-1);
                                                    
                                                    for(int i= 0; i < a.size(); i ++ ){
                                                        cout << a[i] << ' ';
                                                    }
                                                    cout << endl;
                                                    
                                                    return 0;
                                                    

                                                    }

                                                    • @ 2026-7-15 9:33:20

                                                      #include #include #include using namespace std;

                                                      int main()

                                                      {
                                                      

                                                      vector<int> a; a.push_back(999); // a[0] a.push_back(666); // a[1] a.push_back(777); // a[2] = 777 for(int i = 0; i < a.size(); i ++ ){

                                                          cout << a[i] << ' ';
                                                      }
                                                      cout << endl;
                                                      
                                                      //a.begin() : 指向数组第一个元素 a[0]
                                                      // 删除第三个元素
                                                      a.erase(a.begin() + 2);
                                                      for(int i = 0; i < a.size(); i ++ ){
                                                          cout << a[i] << ' ';
                                                      }
                                                      cout << endl;
                                                      
                                                      //最后一个元素下标: a.size()-1
                                                      //输出最后一个元素
                                                      cout << a[a.size()-1] << endl;
                                                      
                                                          //排序
                                                      
                                                      // int a[1010];
                                                      // a.end() 指向最后一个元素的下一个位置
                                                      // a.begin() 指向第一个元素的位置
                                                      //sort(起始位置, 结束位置+1);
                                                      sort(a.begin(),a.end());
                                                      for(int i = 0; i < a.size(); i ++ ){
                                                          cout << a[i] << ' ';
                                                      }
                                                      cout << endl;
                                                      
                                                      //翻转
                                                      //reverse();
                                                      reverse(a.begin(), a.end());
                                                      
                                                          for(int i = 0; i < a.size(); i ++ ){
                                                      
                                                          cout << a[i] << ' ';
                                                      }
                                                      cout << endl;
                                                      
                                                      //删除最后一个元素
                                                      a.erase(a.begin()+a.size()-1);
                                                      //a.erase(a.end()-1);
                                                      for(int i= 0; i < a.size(); i ++ ){
                                                          cout << a[i] << ' ';
                                                      }
                                                      cout << endl;
                                                      
                                                      return 0;
                                                      

                                                      }

                                                      🤣 2
                                                      • @ 2026-7-15 9:32:44
                                                        #include<bits/stdc++.h>
                                                        using namespace std;
                                                        
                                                        vector <int> a;
                                                        
                                                        int main(){
                                                            
                                                            //添加元素:插入在末尾
                                                            a.push_back(999); // a[0]
                                                            a.push_back(666); // a[1]
                                                            a.push_back(777); // a[2] = 777
                                                            for(int i= 0; i < a.size(); i ++ ){
                                                                cout << a[i] << ' ';
                                                            }
                                                            cout << endl;
                                                        
                                                            //a.begin() : 指向数组第一个元素 a[0]
                                                            // 删除第三个元素
                                                            a.erase(a.begin() + 2);
                                                            for(int i= 0; i < a.size(); i ++ ){
                                                                cout << a[i] << ' ';
                                                            }
                                                            cout << endl;
                                                        
                                                            //最后一个元素下标:a.size()-1
                                                            //输出最后一个元素
                                                            cout << a[a.size()-1] << endl;
                                                        
                                                            //排序
                                                            // int a[1010];
                                                            // a.end() 指向最后一个元素的下一个位置
                                                            // a.begin() 指向第一个元素的位置
                                                            //sort(起始位置, 结束位置+1);
                                                            sort(a.begin(),a.end());
                                                            for(int i= 0; i < a.size(); i ++ ){
                                                                cout << a[i] << ' ';
                                                            }
                                                            cout << endl;
                                                        
                                                            //翻转
                                                            //reverse();
                                                            reverse(a.begin(), a.end());
                                                            for(int i= 0; i < a.size(); i ++ ){
                                                                cout << a[i] << ' ';
                                                            }
                                                            cout << endl;
                                                        
                                                            //删除最后一个元素
                                                            a.erase(a.begin()+a.size()-1);
                                                            //a.erase(a.end()-1);
                                                            for(int i= 0; i < a.size(); i ++ ){
                                                                cout << a[i] << ' ';
                                                            }
                                                            cout << endl;
                                                            
                                                            return 0;
                                                        }
                                                        
                                                        • @ 2026-7-15 9:32:28

                                                          #include<bits/stdc++.h> using namespace std; vector z; int main(){ z.push_back(9); z.push_back(6); z.push_back(7); for(int i= 0; i < z.size(); i ++ ){ cout << z[i] << ' '; } cout << endl; z.erase(z.begin() + 2); for(int i=0;i<z.size();i++){ cout<<z[i]<<' '; } cout << endl; cout << z[z.size()-1] << endl; sort(z.begin(),z.end()); for(int i=0;i<z.size();i++){ cout<<z[i]<<' '; } cout<<endl; reverse(z.begin(),z.end()); for(int i=0;i<z.size();i++){ cout<<z[i]<< ' '; } cout << endl; z.erase(z.begin()+z.size()-1); for(int i= 0; i < z.size(); i ++ ){ cout << z[i] << ' '; } cout << endl; }

                                                          • @ 2026-7-15 9:33:10
                                                            #include<bits/stdc++.h> using namespace std; vector z; int main(){ z.push_back(9); z.push_back(6); z.push_back(7); for(int i= 0; i < z.size(); i ++ ){ cout << z[i] << ' '; } cout << endl; z.erase(z.begin() + 2); for(int i=0;i<z.size();i++){ cout<<z[i]<<' '; } cout << endl; cout << z[z.size()-1] << endl; sort(z.begin(),z.end()); for(int i=0;i<z.size();i++){ cout<<z[i]<<' '; } cout<<endl; reverse(z.begin(),z.end()); for(int i=0;i<z.size();i++){ cout<<z[i]<< ' '; } cout << endl; z.erase(z.begin()+z.size()-1); for(int i= 0; i < z.size(); i ++ ){ cout << z[i] << ' '; } cout << endl; }
                                                            
                                                        • @ 2026-7-15 9:31:54
                                                          #include<bits/stdc++.h>
                                                          using namespace std;
                                                          
                                                          vector <int> a;
                                                          
                                                          int main(){
                                                              
                                                              a.push_back(999); 
                                                              a.push_back(666); 
                                                              a.push_back(777); 
                                                              for(int i= 0; i < a.size(); i ++ ){
                                                                  cout << a[i] << ' ';
                                                              }
                                                              cout << endl;
                                                          
                                                          
                                                              a.erase(a.begin() + 2);
                                                              for(int i= 0; i < a.size(); i ++ ){
                                                                  cout << a[i] << ' ';
                                                              }
                                                              cout << endl;
                                                          
                                                             
                                                          
                                                              cout << a[a.size()-1] << endl;
                                                          
                                                          
                                                              sort(a.begin(),a.end());
                                                              for(int i= 0; i < a.size(); i ++ ){
                                                                  cout << a[i] << ' ';
                                                              }
                                                              cout << endl;
                                                          
                                                             
                                                              reverse(a.begin(), a.end());
                                                              for(int i= 0; i < a.size(); i ++ ){
                                                                  cout << a[i] << ' ';
                                                              }
                                                              cout << endl;
                                                          
                                                            
                                                              a.erase(a.begin()+a.size()-1);
                                                              for(int i= 0; i < a.size(); i ++ ){
                                                                  cout << a[i] << ' ';
                                                              }
                                                              cout << endl;
                                                          
                                                              
                                                              return 0;
                                                          }
                                                          
                                                          • @ 2026-7-15 9:31:50
                                                            #include<bits/stdc++.h>
                                                            using ing namespace std;
                                                            int main(){
                                                            a.push_back(999);
                                                            a.push_back(666);
                                                            a.push_back(777);
                                                            for(int i= 0; i < a.size(); i ++ ){
                                                                cout << a[i] << ' ';
                                                            }
                                                            cout << endl;
                                                            a.erase(a.begin() + 2);
                                                            for(int i= 0; i < a.size(); i ++ ){
                                                                cout << a[i] << ' ';
                                                            }
                                                            cout << endl;
                                                            
                                                            cout << a[a.size()-1] << endl;
                                                            
                                                            sort(a.begin(),a.end());
                                                            for(int i= 0; i < a.size(); i ++ ){
                                                                cout << a[i] << ' ';
                                                            }
                                                            cout << endl;
                                                            
                                                            reverse(a.begin(), a.end());
                                                            for(int i= 0; i < a.size(); i ++ ){
                                                                cout << a[i] << ' ';
                                                            }
                                                            cout << endl;
                                                            
                                                            a.erase(a.begin()+a.size()-1);
                                                            a.erase(a.end()-1);
                                                            for(int i= 0; i < a.size(); i ++ ){
                                                                cout << a[i] << ' ';
                                                            }
                                                            cout << endl;
                                                            
                                                            return 0;
                                                            }
                                                            
                                                            👎 2
                                                            👍 1
                                                            • @ 2026-7-15 9:30:57
                                                              #include<bits/stdc++.h>
                                                              using namespace std;
                                                              
                                                               
                                                              
                                                              int main(){
                                                              	vector<int> v;
                                                              	v.push_back(7891);
                                                              	v.push_back(77891);
                                                              	v.push_back(77788891);
                                                              	v.push(1145145);
                                                              	for(int i = 0;i < v.size();i++) cout << v[i] << " ";
                                                              	cout << endl;
                                                              	v.erase(v.begin() + 2);
                                                                  for(int i = 0;i < v.size();i++) cout << v[i] << " ";
                                                                  cout << endl;
                                                                  cout << v[v.size()-1] << endl;
                                                                  sort(v.begin(),v.end());
                                                                  for(int i = 0;i < v.size();i++) cout << v[i] << " ";
                                                                  cout << endl;
                                                                  reverse(v.begin(),v.end());
                                                                  for(int i = 0;i < v.size();i++) cout << v[i] << " ";
                                                                  cout << endl;
                                                                  v.erase(a.begin() + a.size() - 1);
                                                                  v.erase(a.end() - 1);
                                                                  for(int i = 0;i < v.size();i++) cout << v[i] << " ";
                                                                  cout << endl;
                                                              	return 0;
                                                              } 
                                                              
                                                              👎 1
                                                              🤔 1
                                                              • @ 2026-7-15 9:30:47

                                                                #include<bits/stdc++.h> using ing namespace std; int main(){ a.push_back(999); a.push_back(666); a.push_back(777); for(int i= 0; i < a.size(); i ++ ){ cout << a[i] << ' '; } cout << endl; a.erase(a.begin() + 2); for(int i= 0; i < a.size(); i ++ ){ cout << a[i] << ' '; } cout << endl;

                                                                cout << a[a.size()-1] << endl;

                                                                sort(a.begin(),a.end()); for(int i= 0; i < a.size(); i ++ ){ cout << a[i] << ' '; } cout << endl;

                                                                reverse(a.begin(), a.end()); for(int i= 0; i < a.size(); i ++ ){ cout << a[i] << ' '; } cout << endl;

                                                                a.erase(a.begin()+a.size()-1); a.erase(a.end()-1); for(int i= 0; i < a.size(); i ++ ){ cout << a[i] << ' '; } cout << endl;

                                                                return 0; }

                                                                • @ 2026-7-15 9:26:15

                                                                  #include<bits/stdc++.h> using namespace std;

                                                                  vector a;

                                                                  int main(){

                                                                  a.push_back(999);
                                                                  a.push_back(666);
                                                                  a.push_back(777); 
                                                                  for(int i= 0; i < a.size(); i ++ ){
                                                                      cout << a[i] << ' ';
                                                                  }
                                                                  cout << endl;
                                                                  
                                                                  a.erase(a.begin() + 2);
                                                                  for(int i= 0; i < a.size(); i ++ ){
                                                                      cout << a[i] << ' ';
                                                                  }
                                                                  cout << endl;
                                                                  
                                                                  cout << a[a.size()-1] << endl;
                                                                  
                                                                  sort(a.begin(),a.end());
                                                                  for(int i= 0; i < a.size(); i ++ ){
                                                                      cout << a[i] << ' ';
                                                                  }
                                                                  cout << endl;
                                                                  
                                                                  reverse(a.begin(), a.end());
                                                                  for(int i= 0; i < a.size(); i ++ ){
                                                                      cout << a[i] << ' ';
                                                                  }
                                                                  cout << endl;
                                                                  
                                                                  a.erase(a.begin()+a.size()-1);
                                                                  //a.erase(a.end()-1);
                                                                  for(int i= 0; i < a.size(); i ++ ){
                                                                      cout << a[i] << ' ';
                                                                  }
                                                                  cout << endl;
                                                                  
                                                                  return 0;
                                                                  

                                                                  }

                                                                  👎 2
                                                                  • @ 2026-7-15 9:26:14

                                                                    吓哭了

                                                                    👍 8
                                                                    👎 7
                                                                    😄 7
                                                                    😕 7
                                                                    🤔 7
                                                                    🤣 7
                                                                    🌿 7
                                                                    🍋 7
                                                                    🕊️ 7
                                                                    👀 7
                                                                    🤡 7
                                                                    ❤️ 4
                                                                    • @ 2026-7-15 9:26:01

                                                                      就是!

                                                                      🤡 3
                                                                      • @ 2026-7-15 9:23:53

                                                                        不想写

                                                                        • @ 2026-7-15 9:23:43

                                                                          ......

                                                                          • @ 2026-7-15 9:23:24

                                                                            第二个闲聊贴诞生

                                                                            🤔 1
                                                                          • @ 2026-7-15 9:22:49

                                                                            4楼

                                                                            • @ 2026-7-15 9:22:49

                                                                              5

                                                                              • @ 2026-7-15 9:22:43

                                                                                冒泡

                                                                              • @ 2026-7-15 9:22:38

                                                                                又来!?

                                                                                • @ 2026-7-15 9:22:37

                                                                                  3楼

                                                                                  • @ 2026-7-15 9:22:26

                                                                                    666

                                                                                    • @ 2026-7-15 9:22:19

                                                                                      啦啦啦

                                                                                    • 1