Submission

Score: 70

User: evevevie

Problemset: เลขหลักของผลคูณ

Language: c

Time: 0.002 second

Submitted On: 2025-10-02 18:11:24

#include <stdio.h>
int main(){
    int a, b, x, place, output=1, i, digit=0, temp, hehe;
    scanf("%d", &a);
    scanf("%d", &b);
    scanf("%d", &place);
    x = a*b;
    temp = x;
    for(i=0;i<=999999;i++){
        digit++;
        temp=temp/10;
        if(temp==0){
            break;
        }
    }
    hehe=digit-place;
    if(hehe<0){
        printf("-");
            return 0;
        }
    output=x;
    for(i=0;i<hehe;i++){
        output=output/10;
    }
    output=output%10;
    printf("%d", output);
}