Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
153270 zyh 判断质数(使用while循环) C++ Compile Error 0 MS 0 KB 341 2026-05-11 16:36:01

Tests(0/0):

Code:

#include<cmath> using namespace std; int main(){ int n,i; cin>>n; bool flag = 0; i=2; while(i<n) { if(n%i==0) { flag = 1; break; } i++; } if(flag == 0) cout<<"Yes"<<endl; else cout<<"No"<<endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:5:4: error: 'cin' was not declared in this scope
    cin>>n; 
    ^
Main.cc:18:7: error: 'cout' was not declared in this scope
       cout<<"Yes"<