Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
139527 袁龙浩 判断素数II C++ Compile Error 0 MS 0 KB 524 2025-12-07 15:31:22

Tests(0/0):

Code:

#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int a(int x){ int s=0; for(int i=2;i*i<=n;i++){ if(x%i==0){ return 0; } } return 1; } int main(){ int n,x; cin>>n; for(int i=2;i<=n;i++){ if(a(n)){ s++; } cout<<s; return 0; }

Run Info:

Main.cc: In function 'int a(int)':
Main.cc:9:22: error: 'n' was not declared in this scope
     for(int i=2;i*i<=n;i++){
                      ^
Main.cc:8:9: warning: unused variable 's' [-Wunused-variable]
     int s=0;
         ^
Main.cc: In function 'int main()':
Main.cc:21:13: error: 's' was not declared in this scope
             s++;
             ^
Main.cc:23:11: error: 's' was not declared in this scope
     cout<