Submission

Score: 20

User: VggT

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-16 23:01:58

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

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