Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
100610 袁龙浩 09计算算数表达式 C++ Compile Error 0 MS 0 KB 533 2024-12-08 15:17:14

Tests(0/0):

Code:

#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a,op,b; cin>>a>>op>>b; char op; switch(op){ case '+':cout<<a+b; break; case '-':cout<<a-b; break; case '*':cout<<a*b; break; case '/':cout<<a/b; break; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:10:10: error: conflicting declaration 'char op'
     char op;
          ^
Main.cc:8:11: note: previous declaration as 'int op'
     int a,op,b;
           ^