Submission

PPPPPPPPPP

Score: 100

User: tankunkid

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.001 second

Submitted On: 2024-10-15 19:40:41

#include <stdio.h>

int main() {
    int A, B, x;
    scanf("%d%d%d", &A, &B, &x);
    long long sum = A*B;
    long long tem = sum;
    int cnt = 0;
    int arr[500];
    while (tem != 0) {
        arr[cnt] = tem % 10;
        cnt++;
        tem /= 10;
    }
    if (x > cnt || x < 1) {
        printf("_");
    } else {
        printf("%d", arr[cnt-x]);
    }
}