Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
106136 李明秦 09输出成绩等级 C++ Compile Error 0 MS 0 KB 339 2025-01-15 14:25:40

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>90){ cout<<"B"; }else if(a>=70&&a<=60){ cout<<"C"; }else{if(60<=a<70) cout<<"D"; }else{ cout<<"不及格"； } return 0; }

Run Info:

Main.cc:15:10: error: stray '\357' in program
          cout<<"不及格"；
          ^
Main.cc:15:10: error: stray '\274' in program
Main.cc:15:10: error: stray '\233' in program
Main.cc: In function 'int main()':
Main.cc:12:20: warning: comparison of constant '70' with boolean expression is always true [-Wbool-compare]
      }else{if(60<=a<70)
                    ^
Main.cc:12:17: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
      }else{if(60<=a<70)
                 ^
Main.cc:14:7: error: 'else' without a previous 'if'
      }else{
       ^
Main.cc:16:6: error: expected ';' before '}' token
      }
      ^