Submission #547862

#	Time	Username	Problem	Language	Result	Execution time	Memory
547862		Zhora_004	Exhibition (JOI19_ho_t2)	C++17	0 / 100	1 ms	316 KiB

joi2019_ho_t2

#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>
#include <set>
#include <unordered_set>
#include <queue>
#include <deque>
#include <string>
#include <sstream>
#include <iomanip>
#include <map>
#include <unordered_map>
#include <stack>
#include <cstdio>
#include <climits>
#include <tuple>
#include <ctime>
#include <cstring>
#include <numeric>
#include <functional>
#include <chrono>
#include <cassert>
#include <bitset>
//#include <bit>
//#include <ranges>
//#include <numbers>
#define itn int
#define sacnf scanf
#define sz(a) ((int)((a).size()))
// printf("%.10f\n", ans);
using ll = long long;
using namespace std;
const ll mod = 998244353;
const int N = 1e6 + 1, inf = 1e9;

bool comp(pair<int, int>& a, pair<int, int>& b)
{
    return a.second < b.second;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, m;
    cin >> n >> m;
    vector<pair<int, int>> vp(n);
    for (int i = 0; i < n; i++) cin >> vp[i].first >> vp[i].second;
    sort(vp.begin(), vp.end(), comp);
    vector<int> c(m);
    for (int i = 0; i < m; i++) cin >> c[i];
    sort(c.begin(), c.end());
    int ans = 0;
    for (int i = n - 1; i >= 0; i--)
    {
        if (c.back() >= vp[i].first)
        {
            c.pop_back();
            ans++;
            if (c.empty()) break;
        }
    }
    cout << ans;

    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 50