Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
92060 蔡佳轩 09计算算数表达式 C++ Compile Error 0 MS 0 KB 300 2024-09-28 10:56:24

Tests(0/0):

Code:

#include <iostream> using namesapce std; int main(){ int a,b; char op; cin>>a>>op>>b; if(op=='+'){ cout<<a+b; } else if(op=='-'){ cout<<a-b; } else if(op=='*'){ cout<<a*b; } else if(op=='/'){ cout<<a/b; } }

Run Info:

Main.cc:2:7: error: expected nested-name-specifier before 'namesapce'
 using namesapce std;
       ^
Main.cc: In function 'int main()':
Main.cc:6:5: error: 'cin' was not declared in this scope
     cin>>a>>op>>b;
     ^
Main.cc:6:5: note: suggested alternative:
In file included from Main.cc:1:0:
/usr/include/c++/5/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
Main.cc:8:9: error: 'cout' was not declared in this scope
         cout<