Submission

Score: 0

User: TonnamSora

Problemset: เลขหลักของผลคูณ

Language: c

Time: 0.002 second

Submitted On: 2025-07-17 18:57:51

#include <stdio.h>
#include <math.h>

int main(){
    int A, B, x, divider = 1;
    printf("A = ");
    scanf("%d", &A);
    printf("B = ");
    scanf("%d", &B);
    printf("x = ");
    scanf("%d", &x);
    int sum = A * B;
    int temp = sum;
    int cnt = 0;
    while(temp >= 1){
        temp = temp / 10;
        cnt++;
    }
    for(int i = 0; i < cnt - x; i++){
        divider = divider * 10;
    }
    double sum2 = sum / divider;
    int sum3 = floor(sum2);
    int ans = sum3 % 10;
    printf("%d", ans);
}