Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
102575 晏莞煜 09计算算数表达式 C++ Compile Error 0 MS 0 KB 282 2024-12-22 10:25:35

Tests(0/0):

Code:

#include<iostream> using namespace std; int main(){ int a,b; char op;a cin>>a>>op>>b; switch(op){ case '+': cout<<a+b; break; case '-': cout<<a-b; break; case '*': cout<<a*b; break; default: cout<<a/b; break; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:2: error: expected ';' before 'cin'
  cin>>a>>op>>b;
  ^
Main.cc:6:15: warning: statement has no effect [-Wunused-value]
  cin>>a>>op>>b;
               ^