Submission

Score: 100

User: goine

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-12 09:48:14

#include<iostream>
#include<string>
using namespace std;

int main() {
	int a, b, x;
	cin >> a >> b >> x;

	int sum = a * b;
	string st = to_string(sum);

	if (x - 1 < 0  || x - 1 >= st.length()) {
		cout << "_";
		return 0;
	}

	cout << st[x - 1];
	return 0;
}