Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
126491 蔡书涵 素数对 C++ Compile Error 0 MS 0 KB 431 2025-07-19 16:12:50

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; bool zhi(int n){ for(int i=2;i<n;i++){ if(n%i==0){ return false; } } return true; } int main(){ int n,s++; cin>>n; for(int i=2;i<n;i++){ if(zhi(i)==true&&zhi(i+2)==true){ cout<<i<<" "<<i+2<<endl; s++; } } if(s==0){ cout<<"No"; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:13:12: error: expected initializer before '++' token
     int n,s++;
            ^
Main.cc:18:13: error: 's' was not declared in this scope
             s++;
             ^
Main.cc:21:8: error: 's' was not declared in this scope
     if(s==0){
        ^