제출 #219445

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
219445		pavement	Exhibition (JOI19_ho_t2)	C++17	0 / 100	5 ms	384 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define int long long
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ppb pop_back
#define eb emplace_back
typedef long double ld;
typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

int N, M, O, S[100005], V[100005], C[100005];
pair<int, int> T[100005];

main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> N >> M;
	for (int i = 1; i <= N; i++) {
		cin >> S[i] >> V[i];
		T[i] = mp(V[i], S[i]);
	}
	for (int i = 1; i <= M; i++) cin >> C[i];
	sort(C + 1, C + 1 + M, greater<int>());
	sort(T + 1, T + 1 + N);
	for (int i = 1; i <= N; i++)
		tie(V[i], S[i]) = T[i];
	for (int i = N, idx = 1; i >= 1; i--) {
		while (idx <= M && C[idx] < S[i]) idx++;
		if (idx > M) break;
		O++;
		idx++;
	}
	cout << O << '\n';
}

컴파일 시 표준 에러 (stderr) 메시지

joi2019_ho_t2.cpp:18:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

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