Submission

Score: 0

User: fotonoi

Problemset: บาร์โค้ด

Language: c

Time: 0.000 second

Submitted On: 2025-10-10 21:13:57

#include<stdio.h>
int main(){
    long long num;
    int sum=0,lum=0,first;
    char strnum[50];
    scanf("%s",strnum);
    int len=0;
    while(strnum[len]!='\0'){
        len++;
    }
    if(len!=13){
        printf("NO");
        return 0;
    }
    sscanf(strnum, "%lld", &num);
    // printf("%lld",num);
    int cot=0;
    long long save=num;
    int arr[13];
    while(save!=0){
        printf()
        arr[cot]=save%10;
        save=save/10;
        cot++;
    }
    // printf("%d",cot);
    for(int i =1;i<=13;i++){
        if(i%2==0){
            sum=sum+num%10;
        }else if(i%2!=0){
            lum=lum+num%10;
        }
        num=num/10;
    }
    sum=sum*3;
    sum=sum+lum+first;
    if(sum%10==0){
        printf("YES");
    }else{
        printf("NO");
    }
    return 0;
}