Submission

Score: 100

User: wasupum

Problemset: ผลรวมของเลขหลัก

Language: c

Time: 0.001 second

Submitted On: 2025-10-04 13:41:28

#include <stdio.h>
typedef long long ll;
ll cal(ll n){
    if(n == 0) return 0;
    return (n % 10) + cal(n/10);
}

int main(void){
    ll n;
    scanf("%lld",&n);
    printf("%lld",cal(n));
    return 0;
}