Submission #1269118

#	Time	Username	Problem	Language	Result	Execution time	Memory
1269118		WH8	Exhibition (JOI19_ho_t2)	C++20	100 / 100	36 ms	3776 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;
#define iloop(x, n) for (long long i = x; i < n; ++i)
#define jloop(x, n) for (long long j = x; j < n; ++j)
#define kloop(x, n) for (long long k = x; k < n; ++k)
#define dloop(x, n) for (long long d = x; d >= n; --d)
#define ll long long
#define pll pair<long long, long long>
#define pii pair<int, int>
#define vi vector<long long>
#define mp make_pair
#define pb push_back
#define fst first
#define snd second
#define int long long
#define debug(x) cout << #x << ": " << x << endl
#define FASTIO               \
    ios::sync_with_stdio(false); \
	cin.tie(0);              \
    cout.tie(0);


int32_t main(){
	FASTIO
	int n, m; cin >> n >> m;
	vector<pll> v;
	vi f;
	iloop(0, n){
		int s, val;
		cin >> s >> val;
		v.pb({val, s});
	}
	sort(v.begin(), v.end(), [](pll a, pll b){
		if (a.fst < b.fst) return false;
		else if (a.fst == b.fst) return a.snd > b.snd;
		else return true;
	});
	//for (auto it : v) cout << it.fst << " " << it.snd << " | ";
	//cout << endl;
	iloop(0, m){
		int s; cin >> s;
		f.pb(s);
	}
	sort(f.begin(), f.end(), greater<int>());
	int pos = 0;
	int cnt = 0;
	iloop(0, m){
		while (pos < n and v[pos].snd > f[i]){
			pos++;
		}
		if (pos == n) break;
		cnt++;
		pos++;
	}
	cout << cnt;
}

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