Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
6058 先明缜 09输出成绩等级 C++ Compile Error 0 MS 0 KB 490 2024-12-28 20:25:35

Tests(0/0):

Code:

#include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a; cin>>a; if(a>90){ cout<<"A"<<endl; } else if(a<=90&&a>=80){ cout<<"B"<<endl; } else if(a<=80&&a>=70){ cout<<"C"<<endl; } else if(a<=70&&a>=60){ cout<<"D"<<endl; } else{ cout<<"E"<<endl; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:7:5: error: 'cin' was not declared in this scope
     cin>>a;
     ^
Main.cc:9:9: error: 'cout' was not declared in this scope
         cout<"A"<<endl;
         ^
Main.cc:9:20: error: 'endl' was not declared in this scope
         cout<<"A"<<endl;
                    ^
Main.cc:12:9: error: 'cout' was not declared in this scope
         cout<<"B"<<endl;
         ^
Main.cc:12:20: error: 'endl' was not declared in this scope
         cout<<"B"<<endl;
                    ^
Main.cc:15:9: error: 'cout' was not declared in this scope
         cout<<"C"<<endl;
         ^
Main.cc:15:20: error: 'endl' was not declared in this scope
         cout<<"C"<<endl;
                    ^
Main.cc:18:9: error: 'cout' was not declared in this scope
         cout<<"D"<<endl;
         ^
Main.cc:18:20: error: 'endl' was not declared in this scope
         cout<<"D"<<endl;
                    ^
Main.cc:21:9: error: 'cout' was not declared in this scope
         cout<<"E"<<endl;
         ^
Main.cc:21:20: error: 'endl' was not declared in this scope
         cout<<"E"<<endl;
                    ^