Submission

Status:

PPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: Quinruj

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-05 20:52:41

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

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    
    ll a,b;cin>>a>>b;
    ll x;cin>>x;
    string s = to_string(a*b);
    if (x <= s.size()) cout << s[x-1];
    else cout << '_';
}