Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
73637 石晋骁 09闰年第n个月有多少天 C++ Compile Error 0 MS 0 KB 567 2024-05-19 14:25:55

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; if (a==1){ cout << "31"; }else if (a==2){ cout << "29"; }else if (a==3){ cout << "31"; }else if (a==4){ cout << "30"; }else if (a==5){ cout << "31"; }else if (a==6){ cout << "30"; }else if (a==7){ cout << "31"; }else if (a==8){ cout << "31"; }else if (a==9){ cout << "30"; }else if (a==10){ cout << "31"; }else if (a==11){ cout << "30"; }else{ cout << "31"; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:6: error: 'a' was not declared in this scope
  if (a==1){
      ^