Submission

[PPPPPPPPPP]

Score: 100

User: Monasm

Problemset: ตรวจบัตรเครดิต

Language: cpp

Time: 0.002 second

Submitted On: 2024-11-18 10:52:30

#include <bits/stdc++.h>

using namespace std;

int main(){
    string s;cin >> s;
    int a[15];
    for(int i=14;i>=0;i--){
        int x = s[i]-'0';
        if(!(i%2)){
            x*=2;
        }
        a[i] = x;
    }
    int r=0;
    for(int i=14;i>=0;i--){
        while(a[i]>0){
            r+=a[i]%10;
            a[i]/=10;
        }
    }
    if((10-(r%10))%10 == s[15]-'0'){
        cout<<"yes";
    }
    else{
        cout<<"no";
    }
}