Submission #1027666

#	Time	Username	Problem	Language	Result	Execution time	Memory
1027666		vjudge1	Meetings (JOI19_meetings)	C++17	29 / 100	1588 ms	640 KiB

meetings

#include "meetings.h"
#include <bits/stdc++.h>

using namespace std;

int sz[500];
int o[500];
vector<int> chil[500];

void Solve(int N) {
	sz[0] = N;
	for (int i = 1; i < N; i++) {
		for (int j = 1; j < N; j++) {
			if (i == j) continue;
			if (Query(0, i, j) == i) {
				sz[i]++;
				chil[i].push_back(j);
			}
		}
		o[i] = i;
	}
	// for (int i = 1; i < N; i++) {
	// 	for (int c : chil[i]) cout << c << ' ';
	// 	cout << '\n';
	// }
	sort(o, o + N, [&](int i, int j) { return sz[i] < sz[j]; });
	bool us[N] = {};
	for (int cur : o) {
		for (int v : chil[cur]) {
			if (us[v]) continue;
			us[v] = true;
			if (cur < v)
				Bridge(cur, v);
			else 
				Bridge(v, cur);
		}
	}
	for (int i = 1; i < N; i++) if (!us[i])
		Bridge(0, i);
}

• Subtask 1: 7 / 7
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 0 / 71