Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
84104 陈俊洁 寻找绝对素数 C++ Compile Error 0 MS 0 KB 440 2024-07-15 11:33:54

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; bool sushu (int x){ for(int t=2;t<x;t++){ if(x%t==0){ return false; } } return true; } int main(){ int n,num=0,f=0; cin>>n; for(int i=2;i+2<=n;i++){ if(sushu(i)){ if(sushu(i%10*10+i/10)){ cout<<i<<','<<endl; sum++; } } } if(sum==0){ cout<<"No"; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:18:12: error: 'sum' was not declared in this scope
            sum++;
            ^
Main.cc:22:7: error: 'sum' was not declared in this scope
    if(sum==0){
       ^
Main.cc:12:10: warning: unused variable 'num' [-Wunused-variable]
    int n,num=0,f=0;
          ^
Main.cc:12:16: warning: unused variable 'f' [-Wunused-variable]
    int n,num=0,f=0;
                ^