11 条题解

  • 2
    @ 2023-4-10 17:45:53
    #include<iostream>
    using namespace std;
    int n,a[999999],t;
    int main()
    {
        cin>>n ;
        for(int i=1 ; i <= n ;i ++){
            cin>>a[i];
        }
        cin>>t ;
        for(int i=1 ;i <= n ; i++){
            if(a[i] == t){
            cout << i;
            return 0;
        }
        }
        cout<<"-1";
    }
    
    
    
    
    
    • 1
      @ 2023-5-2 16:32:20
      #include<cstdio>
      #include<string>
      #include<bits/stdc++.h>
      #define LL long long
      using namespace std;
      const int INF=0x3f3f3f3f;
      const int N=2e5+10;
      int a[2000],b,c,sum=0;
      int main(){
      	cin>>b;
      	for(int i=1;i<=b;i++){
      		cin>>a[i];
      	}
      	cin>>c;
      	for(int i=1;i<=b;i++){
      		if(a[i]==c){
      			cout<<i;
      			sum++;
      			return 0;
      		}
      	}
      	if(sum==0){
      		cout<<"-1";
      	}
      }
      
      • 1
        @ 2023-4-10 17:42:33
        #include<iostream>
        using namespace std;
        int n,a[99999999],t;
        int main()
        {
            cin>>n ;
            for(int i=1 ; i <= n ;i ++){
                cin>>a[i];
            }
            cin>>t ;
            for(int i=1 ;i <= n ; i++){
                if(a[i] == t){
                cout << i;
                return 0;
            }
            }
            cout<<"-1";
        }
        
        
        • 0
          @ 2024-10-21 21:10:30

          #include<iostream> #include<cstdio> using namespace std; int a[10005],n; int main(){ cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; } int x; cin>>x; int id=-1; for(int i=1;i<=n;i++){ if(a[i]==x){ id=i; break; } } cout<<id<<endl; return 0; }

          • 0
            @ 2024-9-28 21:36:27

            #include<bits/stdc++.h> using namespace std; int a,b,c[10005],n; int main() {

            cin>>a;
            for(int i=1;i<=a;i++)
            {
            	cin>>c[i];
            
            }
            cin>>b;
            	for(int i=1;i<=a;i++)
            {
            	if(c[i]==b)
            	{
            		n=i;
            		cout<<i;
            		break;
            	} 
            }
            if(n==0)
            cout<<"-1";
            return 0;
            

            }

            • 0
              @ 2024-5-26 10:18:27
              #include <bits/stdc++.h>
              using namespace std;
              int a,b,c[10001];
              int main(){
              	cin >> a;
              	for(int i = 1 ; i <= a ; i++) cin >> c[i];
              	cin >> b;
              	for(int i = 1 ; i <= a ; i++){
              		if(c[i] == b){
              			cout << i << endl;
              			return 0;
              		}
              	}
              	cout << -1 << endl;
              	return 0;
              }
              
              • 0
                #include <iostream>
                #include <bits/stdc++.h>
                using namespace std;
                const int N=1e5+10;
                const int INF=0x3f3f3f3f;
                int n,m,a[N]; 
                int main()
                {
                	cin>>n;
                	for(int i=1;i<=n;i++)
                	{
                		cin>>a[i];
                	}
                	cin>>m;
                	for(int i=1;i<=n;i++)
                	{
                		if(a[i]==m)
                		{
                			cout<<i;
                			return 0;
                		}
                	}
                	cout<<"-1";
                	return 0;
                }
                
                
                • 0
                  @ 2022-10-26 19:56:40
                  #include <iostream>
                  #include <stack>
                  #include <cmath>
                  #include <vector>
                  #include <string.h>
                  #include <queue>
                  #include <stdio.h>
                  #include <iomanip>
                  #include <cstdio>
                  #include <algorithm>
                  #define int long long
                  using namespace std;
                  const int N = 1e5 + 10;
                  const int INF = 0x3f3f3f3f;
                  int a[N];
                  signed main()
                  {
                  	int n, x;
                  	cin >> n;
                  	for(int i = 1; i <= n; i++)
                  	{
                  		cin >> a[i];
                  	}
                  	cin >> x;
                  	for(int i = 1; i <= n; i++)
                  	{
                  		if(a[i] == x)
                  		{
                  			cout << i << endl;
                  			return 0;
                  		}
                  	}
                  	cout << "-1" << endl;
                  	return 0;
                  }
                  

                  和上一题一模一样

                  • -1
                    @ 2023-8-10 21:44:18

                    #include<iostream> using namespace std; int n,a[1000005],t; int main() { cin>>n ; for(int i=1 ; i <= n ;i ++){ cin>>a[i]; } cin>>t ; for(int i=1 ;i <= n ; i++){ if(a[i] == t){ cout << i; return 0; } } cout<<"-1"; } //反抄袭水印

                    • -2
                      @ 2023-4-4 20:14:43

                      #include<bits/stdc++.h> using namespace std; int main() { int n,a[10001],m; cin>>n; for(int i=1;i<=n;i++) cin>>a[i]; cin>>m; for(int i=1;i<=n;i++) if(a[i]==m) { cout<<i; return 0; } cout<<-1; return 0; }

                      • -2
                        @ 2022-1-23 20:27:52
                        #include <iostream>
                        using namespace std;
                        int a[10001];
                        int main()
                        {
                        	int n,  x, i;
                        	cin >> n;
                        	for (i=0; i<n; i++) cin >> a[i];
                        	cin >> x;
                        	for (i=0; i<n; i++)
                        	{
                        	if (a[i] == x)
                        	{
                        	cout << i+1 << endl;
                        	return 0;
                        	}
                        	}
                        	cout << "-1" << endl;
                        	return 0;
                        	}
                            ```
                        • 1

                        信息

                        ID
                        996
                        时间
                        1000ms
                        内存
                        128MiB
                        难度
                        4
                        标签
                        递交数
                        572
                        已通过
                        255
                        上传者