제출 #1280888

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1280888		dhuyyyy	Exhibition (JOI19_ho_t2)	C++20	100 / 100	37 ms	2788 KiB

joi2019_ho_t2

#include<bits/stdc++.h>
#define fi first
#define se second
#define int long long
using namespace std;

using ll = long long;
using ii = pair<int, int>;
using aa = array<int,3>;

const int N = 1e5+5;

int n, m, ans = 0;

int c[N];

ii p[N];

bool cmp(ii a,ii b){
    if (a.se == b.se) return a.fi < b.fi;
    return a.se < b.se;
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    cin >> n >> m;
    for (int i = 1; i <= n; i++) cin >> p[i].fi >> p[i].se;
    for (int i = 1; i <= m; i++) cin >> c[i];
    sort(p+1,p+1+n,cmp);
    sort(c+1,c+1+m);
    int cur = m;
    for (int i = n; i >= 1; i--){
        if (p[i].fi <= c[cur]) cur--;
    }
    cout << m - cur;
    return 0;
}

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