hiho week 98 register

Ended

Participants:433

Verdict:Accepted
Score:100 / 100
Submitted:2016-05-21 15:20:33

Lang:G++

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#include <stdio.h>
#include <string.h>
#include <math.h>
double operate(double i, double j, int op){
switch(op){
    case 0:return i+j;
    case 1:return i-j;
    case 2:return i*j;
    case 3:{
        if(j!=0)
           return i/j;
        else
            return 100000.0;
           }
    case 4:return j-i;
    default:
           {
            if(i!=0) 
                return j/i;
            else
                return 10000000.0;
            }
}
}
int main(){
    int n;
    scanf("%d",&n);
    char res[100][4];
    int a[4];
    for(int i=0;i<n;i++){
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