#include<iostream>
#include<cstdio>
#include<string>
#include<cstring>
#include<math.h>
using namespace std;
int work(int a,char b,int c)
{
if(b=='+')return (a+c);
else if(b=='-')return (a-c);
else if(b=='*')return (a*c);
else if(b=='%')return (a%c);
else if(b=='/')return (a/c);
}
int main()
{
int x,y,s;
char z;
scanf("%d%c%d",&x,&z,&y);
s=work(x,z,y);
printf("%d",s);
return 0;
}100'
1397：简单算术表达式求值
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转载自blog.csdn.net/qq_42552468/article/details/81151538
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