Submission #1295716

#	Time	Username	Problem	Language	Result	Execution time	Memory
1295716		fairkrash	Exhibition (JOI19_ho_t2)	C++20	100 / 100	37 ms	2784 KiB

joi2019_ho_t2

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
ll INF = 1e18;
ll MOD = 1e9 + 7;


int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    ll n, m;
    cin >> n >> m;
    vector<pair<ll, ll>> s(n);
    vector<ll> c(m);
    for (ll i = 0; i < n; i++) {
        cin >> s[i].second >> s[i].first;
    }
    sort(s.begin(), s.end());
    for (ll i = 0; i < m; i++) {
        cin >> c[i];
    }
    sort(c.rbegin(), c.rend());
    ll cnt = 0;
    for (ll i = n - 1; i >= 0; i--) {
        if (cnt == m) {
            break;
        }
        if (s[i].second <= c[cnt]) {
            cnt++;
        }
    }
    cout << cnt;
}

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50