Submission

Score: 100

User: rice_ot

Problemset: เส้นทางคณิตศาสตร์

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-15 11:05:13

#include <bits/stdc++.h>
using namespace std;
long long facto(long long n){
    if(n <= 1) return 1;
    return n*facto(n-1);
}
int main(){
    int x, y, z; cin>>x>>y>>z;
    if(z == 1){
        cout<<x+y;
    }
    else if(z == 2){
        cout<<x-y;
    }
    else if(z == 3){
        cout<<x*y;
    }
    else if((z == 4 && y == 0) || (z == 5 && y == 0)){
        cout<<"cannot divide by zero";
    }
    else if(z == 4){
        cout<<x/y;
    }
    else if(z == 5){
        cout<<x%y;
    }
}