Submission

PPPPPPP-PP

Score: 90

User: tankunkid

Problemset: เลขหลักของผลคูณ

Language: c

Time: 0.001 second

Submitted On: 2024-10-16 21:32:57

#include <stdio.h>

int main(void) {
    int a, b, x;
    scanf("%d %d %d", &a, &b, &x);
    int product = a*b;
    int num = 1;
    for (int i = 1; i <= x; i++)
        num *= 10;
    if (product > num || product == 0)
    {
        while (product > num)
            product /= 10;
        printf("%d", product % 10);
    }
    else
    {
        printf("_");
    }
}