Submission #1168868

#	Time	Username	Problem	Language	Result	Execution time	Memory
1168868		aagii	Advertisement 2 (JOI23_ho_t2)	C++20	10 / 100	571 ms	21560 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main(){
  ll n;
  cin >> n;
  set<ll>s;
  for(ll i = 0 ; i < n; i++){
    ll x,y;
    cin >> x >> y;
    s.insert(x);
  }
  cout << s.size();
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 23
• Subtask 3: 0 / 36
• Subtask 4: 0 / 31