Submission

Score: 0

User: DIce

Problemset: ตรวจบัตรเครดิต

Language: cpp

Time: 0.000 second

Submitted On: 2026-10-02 22:13:31

#include<bits/stdc++.h>
using namespace std;

int main(){
    char arr[1005];
    int f[1005];
    int main(){

        string str,p="";
        cin>>str;
        char u=str[str.size()-1]
        str=str.pop_back();

        int x=str.size()-1;
        for(int i=0;i<str.size();i+=1){
            arr[i]=str[x];
            x-=1;
        }

        for(int i=0;i<str.size();i+=2){
            f[i]=ctoi(arr[i])*2;
            p+=to_string(f[i]);
        }

        int cnt=0;
        for(int i=0;i<str.size();i+=1){
            cnt+=p[i]-'0';
        }
        if((10 - (cnt % 10))%10==ctoi(u)){
            cout<<"yes";
        }else{
            cout<<"no";
        }
    }
}