Submission #768436

#	Time	Username	Problem	Language	Result	Execution time	Memory
768436		green_gold_dog	Advertisement 2 (JOI23_ho_t2)	C++17	10 / 100	273 ms	30792 KiB

Main

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

template<typename T>
bool assign_min(T& a, T b) {
        if (a > b) {
                a = b;
                return true;
        }
        return false;
}

template<typename T>
bool assign_max(T& a, T b) {
        if (a < b) {
                a = b;
                return true;
        }
        return false;
}

void solve() {
        ll n;
        cin >> n;
        set<ll> all;
        for (ll i = 0; i < n; i++) {
                ll x, y;
                cin >> x >> y;
                all.insert(x);
        }
                cout << all.size() << '\n';
}

int main() {
        ios_base::sync_with_stdio(false);
        cin.tie(0);
        cout.tie(0);
        solve();
}

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