Submission

Score: 100

User: VggT

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-16 23:07:12

#include <bits/stdc++.h>
using namespace std;

int main()
{
	cin.tie(0)->sync_with_stdio(0);
	
	long long a, b, x;
	cin >> a >> b >> x;
	
	string s = to_string(a*b);
	
	if(x > s.size()) cout << "_";
	else cout << s[x-1];
	
	return 0;
}