Submission

Status:

PPPPPPPPPP

Score: 100

User: njoop

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2024-11-28 23:14:13

#include <bits/stdc++.h>

using namespace std;

int a, b, c, x;

void find_digit(int num) {
    int arr[100];
    int p=1;
    while(num > 0) {
        arr[p] = num%10;
        num /= 10;
        p++;
    }
    if(x >= p) cout << "_";
    else cout << arr[p-x];
}

int main() {
    cin >> a >> b >> x;
    c = a*b;
    find_digit(c);
    return 0;
}