Submission

Score: 100

User: winkawin2552

Problemset: เลขหลักของผลคูณ

Language: c

Time: 0.003 second

Submitted On: 2025-10-10 21:47:54

#include <stdio.h>

int main() {
    int a,b,x,i=0;
    scanf("%d%d%x", &a,&b,&x);
    int num = a*b;
    char nums[20];
    while(num !=0){
        nums[i] = (num%10) + '0';
        i++;
        num /= 10;
    }nums[i+1] = '\0';
    if(x > i) printf("_");
    else{
        printf("%c",nums[i-x]);
    }

    return 0;
}