Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
138354 gqj 09输出成绩等级 C++ Compile Error 0 MS 0 KB 267 2025-11-24 16:57:09

Tests(0/0):

Code:

#include <iostream> using namespace std; int main(){ int a; cin>>a; if(a>=90){ cout<<"A"; } else if(a>=80&&a<c){ cout<<"B"; } else if(a>=70&&a<80){ cout<<"C"; }else if(a>=60&&a<70){ cout<<"D"; }else if(a<60){ cout<<"E"; } }

Run Info:

Main.cc: In function 'int main()':
Main.cc:9:19: error: 'c' was not declared in this scope
  else if(a>=80&&a