Submission

Score: 100

User: exoworldgd

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2025-05-31 12:06:19

#include <bits/stdc++.h>
using namespace std;
int main(void) {
	long long n,m,idx,ans;
	cin >>n >> m>> idx;
	ans = n*m;
	string s = to_string(ans);
	if (idx > s.size()) cout << "_";
	else cout << s[idx-1];
}