The 11th Zhejiang Provincial Collegiate Programming Contest->Problem G:G - Ternary Calculation

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3782
题意：把输入的三元运算用计算机运算出来。

 1 #include <bits/stdc++.h>
 2 using namespace std;
 3 int main() {
 4     int t;
 5     cin>>t;
 6     while(t--) {
 7         int a,b,c;
 8         int s1=;
 9         char n,m;
         cin>>a>>n>>b>>m>>c;
         if(n=='*'||n=='/'||n=='%') {
             if(n=='*')
                 s1=a*b;
             else if(n=='/')
                 s1=a/b;
             else
                 s1=a%b;
             if(m=='*')
                 s1=s1*c;
             else if(m=='/')
                 s1=s1/c;
             else if(m=='%')
                 s1=(int)s1%c;
             else if(m=='+')
                 s1=s1+c;
             else if(m=='-')
                 s1=s1-c;
         } else if(m=='*'||m=='/'||m=='%') {
             if(m=='*')
                 s1=b*c;
             else if(m=='/')
                 s1=b/c;
             else if(m=='%')
                 s1=b%c;
             if(n=='+')
                 s1=a+s1;
             else if(n=='-')
                 s1=a-s1;
 
         } else {
             if(n=='+')
                 s1=a+b;
             else if(n=='-')
                 s1=a-b;
             if(m=='+')
                 s1=s1+c;
             else if(m=='-')
                 s1=s1-c;
         }
         printf("%d\n",s1);
 
     }
     return ;
 }