제출 #1281788

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1281788		hssaan_arif	Advertisement 2 (JOI23_ho_t2)	C++20	10 / 100	264 ms	21504 KiB

Main

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

#define endl "\n"
#define pb push_back
#define int long long
#define fi first
#define se second

const int N = 3e5 + 5, M = 1e9 + 7, LG = 20;

int n , x , e;

void solve(){
    cin >> n;
    set<int> st;
    for (int i = 1 ; i <= n ; i++){
        cin >> x >> e;
        st.insert(x);
    }
    
    cout << st.size() << endl;
}

signed main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int ts = 1;
    // cin >> ts;
    while(ts--){
        solve();
    }
}

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