답안 #333697

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
333697 2020-12-07T14:00:23 Z LucaDantas Meetings (JOI19_meetings) C++17
29 / 100
2000 ms 904 KB
#include<bits/stdc++.h>
using namespace std;
#include "meetings.h"

#define pb push_back
#define sz(a) (a).size()

std::mt19937 rng(std::chrono::steady_clock::now().time_since_epoch().count() ^ (long long) (make_unique<char>().get()));

constexpr int maxn = 2e3+10;

void solve(vector<int>& a) {
	if(sz(a) <= 1) return;
	if(sz(a) == 2) return (void)(Bridge(min(a[0], a[1]), max(a[0], a[1])));
	int divide = Query(a[0], a[1], a[2]);
	vector<int> head;
	if(divide == a[0]) head.pb(a[1]);
	else head.pb(a[0]);
	vector<vector<int>> grp;
	map<int,int> id;
	id[head[0]] = 0;
	grp.pb({head[0]});
	for(int x : a) {
		if(x != divide) {
			bool ok = 0;
			for(int y : head) {
				if(x != y) {
					if(Query(divide, x, y) != divide)
						ok = 1, grp[id[y]].pb(x);
				} else ok = 1;
			}
			if(!ok) id[x] = sz(head), head.pb(x), grp.pb({x});
		}
	}
	for(int y : head) {
		int top = y;
		for(int x : grp[id[y]])
			if(x != top)
				top = Query(divide, x, top);
		Bridge(min(divide, top), max(divide, top));
		solve(grp[id[y]]);
	}
}

void Solve(int n) {
	vector<int> a;
	for(int i = 0; i < n; i++)
		a.pb(i);
	shuffle(a.begin(), a.end(), rng);
	solve(a);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 26 ms 364 KB Output is correct
28 Correct 28 ms 364 KB Output is correct
29 Correct 27 ms 364 KB Output is correct
30 Correct 23 ms 364 KB Output is correct
31 Correct 21 ms 364 KB Output is correct
32 Correct 22 ms 364 KB Output is correct
33 Correct 28 ms 492 KB Output is correct
34 Correct 27 ms 364 KB Output is correct
35 Correct 27 ms 364 KB Output is correct
36 Correct 25 ms 364 KB Output is correct
37 Correct 21 ms 492 KB Output is correct
38 Correct 26 ms 492 KB Output is correct
39 Correct 22 ms 492 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2997 ms 904 KB Time limit exceeded
2 Halted 0 ms 0 KB -