Submission

Score: 100

User: asdasd

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 15:46:57

#include <stdio.h>
int main(){
    int a,b,x;
    scanf("%d %d %d",&a,&b,&x);
    int sum=a*b;
    int sumcheck=sum;
    int check=0;
    for (int i = sumcheck ; i != 0 ; i = i/10){
        check++;
    }
    if(check<x){
        printf("_");
        return 0;
    }
    for(int i = 0 ; i<check-x ; i++){
        sum = sum/10;
    }
    int ans = sum%10;
    printf("%d",ans);
}