Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
153269 gqj 判断质数(使用while循环) C++ Compile Error 0 MS 0 KB 196 2026-05-11 16:28:22

Tests(0/0):

Code:

#include<iostream> using namespace std; int main(){ int a; cin>>a; int i=2; while(i<=a-1){ if(a2==i){ cout<<"No"; }else { cout<<"Yes"; } i++; } }

Run Info:

Main.cc: In function 'int main()':
Main.cc:8:12: error: 'a2' was not declared in this scope
         if(a2==i){
            ^