Submission

Score: 100

User: Dormon

Problemset: เลขหลักของผลคูณ

Language: c

Time: 0.002 second

Submitted On: 2025-09-19 18:19:14

#include <stdio.h>

int main()
{
    int a, b, x;
    scanf("%d %d %d", &a, &b, &x);
    int c = a * b, cc = c, l = 0;
    while (cc > 0){
        cc /= 10;
        l++;
    }
    if (x > l){
        printf("_\n");
        return 0;
    }
    for (int i = 1;i <= l - x;i++)
        c /= 10;
    printf("%d\n", c % 10);
}