Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
126204 赵梓渊 05字符的变化 C++ Compile Error 0 MS 0 KB 189 2025-07-16 16:28:50

Tests(0/0):


Code:

#include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ char a,b; int c; cin>>a; c=a; cout<<(c+10-30)*20/5; }


Run Info:

Main.cc: In function 'int main()':
Main.cc:6:4: error: 'cin' was not declared in this scope
    cin>>a; 
    ^
Main.cc:8:4: error: 'cout' was not declared in this scope
    cout<<(c+10-30)*20/5; 
    ^
Main.cc:4:11: warning: unused variable 'b' [-Wunused-variable]
    char a,b; 
           ^