Submission #333703

# Submission time Handle Problem Language Result Execution time Memory
333703 2020-12-07T14:03:18 Z LucaDantas Meetings (JOI19_meetings) C++17
29 / 100
2000 ms 896 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) {
	shuffle(a.begin(), a.end(), rng);
	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);
	solve(a);
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 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 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 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 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 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 364 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
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 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 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 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 364 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 24 ms 364 KB Output is correct
28 Correct 26 ms 384 KB Output is correct
29 Correct 25 ms 364 KB Output is correct
30 Correct 25 ms 364 KB Output is correct
31 Correct 20 ms 364 KB Output is correct
32 Correct 18 ms 364 KB Output is correct
33 Correct 28 ms 364 KB Output is correct
34 Correct 27 ms 364 KB Output is correct
35 Correct 25 ms 364 KB Output is correct
36 Correct 22 ms 364 KB Output is correct
37 Correct 25 ms 364 KB Output is correct
38 Correct 32 ms 492 KB Output is correct
39 Correct 21 ms 364 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 2347 ms 896 KB Time limit exceeded
2 Halted 0 ms 0 KB -