Submission #1021662

#	Time	Username	Problem	Language	Result	Execution time	Memory
1021662		lHog	Advertisement 2 (JOI23_ho_t2)	C++17	10 / 100	285 ms	30772 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> veci;
typedef vector<ll> vecll;
#define mp make_pair
#define fi first
#define se second
// debug needs a semicolon !!!
#define debug(x) cerr<<# x<<" is "<<x<<'\n'
#define vec vector

int main() {
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	int n;
    cin >> n;
    set<int> s;
    while (n--) {

        int x, USELESS;
        cin >> x >> USELESS;
        s.insert(x);
    }
    cout << s.size();
	return 0;
}

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