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답안 #205789

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
205789 2020-02-29T21:39:07 Z ArshiaDadras Amusement Park (JOI17_amusement_park) C++14
27 / 100
 3000 ms 7676 KB 
/* In the name of Allah */
#include<bits/stdc++.h>
#include<Joi.h>
using namespace std;

const int N = 1e4 + 5, LG = 60;
int n, m, k, a[N], b[N], root[N], h[N], sz[N], par[N], id[N];
vector<int> ed[N], adj[N];
bitset<N> mark;

void dfs_tree(int u) {
	mark.set(u);
	vector<int> help;
	for (auto v: ed[u])
		if (!mark[v]) {
			help.push_back(v);
			dfs_tree(v), par[v] = u;
		}
	adj[u] = help;
}

void change(int u) {
	for (auto v: adj[u])
		if (!~root[v]) {
			root[v] = root[u];
			change(v);
		}
}

void go(int u) {
	id[u] = sz[root[u]]++;
	for (auto v: adj[u])
		if (k + sz[root[u]] < LG)
			go(v);
}

void go_big(int u) {
	for (sz[u] = 0; true; u = adj[u][0]) {
		id[u] = sz[root[u]]++;
		if (adj[u].empty())
			break;
		k = sz[adj[u][0]];
		for (auto v: adj[u])
			if (v ^ adj[u][0] && k + sz[root[u]] < LG)
				go(v);
	}
}

bool build(int u) {
	vector<int> help;
	sz[u] = 1, h[u] = 0;
	for (auto v: adj[u])
		if (!build(v)) {
			sz[u] += sz[v];
			help.push_back(v);
			h[u] = max(h[u], h[v] + 1);
		}
	sort(help.begin(), help.end(), [] (int u, int v) {
		return h[u] > h[v];
	});
	adj[u] = help;
	if (sz[u] < LG)
		return false;
	change(root[u] = u);
	return go_big(u), true;
}

void build_tree(int u) {
	memset(root, -1, sizeof root);
	memset(id, -1, sizeof id);
	mark.reset(), dfs_tree(u);
	if (!build(u))
		for (int v = 0; v < n; v++)
			if (~root[v] && !~root[par[v]])
				build_tree(v);
}

void Joi(int N, int M, int A[], int B[], long long X, int T) {
	n = N, m = M;
	for (int u = 0; u < n; u++)
		ed[u].clear();
	for (int i = 0; i < m; i++) {
		ed[a[i] = A[i]].push_back(B[i]);
		ed[b[i] = B[i]].push_back(A[i]);
	}
	build_tree(0);
	for (int u = 0; u < n; u++)
		MessageBoard(u, ~id[u]? X >> id[u] & 1: 0);
}

/* In the name of Allah */
#include<bits/stdc++.h>
#include<Ioi.h>
using namespace std;

const int N = 1e4 + 5, LG = 60;
int n, m, k, a[N], b[N], root[N], h[N], sz[N], par[N], id[N];
vector<int> ed[N], adj[N], path[N];
bitset<N> mark;

void dfs_tree(int u) {
	mark.set(u);
	vector<int> help;
	for (auto v: ed[u])
		if (!mark[v]) {
			help.push_back(v);
			dfs_tree(v), par[v] = u;
		}
	adj[u] = help;
}

void change(int u) {
	for (auto v: adj[u])
		if (!~root[v]) {
			root[v] = root[u];
			change(v);
		}
}

void go(int u) {
	id[u] = sz[root[u]]++;
	path[root[u]].push_back(u);
	for (auto v: adj[u])
		if (k + sz[root[u]] < LG)
			go(v), path[root[u]].push_back(u);
}

void go_big(int u) {
	for (sz[u] = 0; true; u = adj[u][0]) {
		path[root[u]].push_back(u);
		id[u] = sz[root[u]]++;
		if (adj[u].empty())
			break;
		k = sz[adj[u][0]];
		for (auto v: adj[u])
			if (v ^ adj[u][0] && k + sz[root[u]] < LG)
				go(v), path[root[u]].push_back(u);
	}
}

bool build(int u) {
	vector<int> help;
	sz[u] = 1, h[u] = 0;
	for (auto v: adj[u])
		if (!build(v)) {
			sz[u] += sz[v];
			help.push_back(v);
			h[u] = max(h[u], h[v] + 1);
		}
	sort(help.begin(), help.end(), [] (int u, int v) {
		return h[u] > h[v];
	});
	adj[u] = help;
	if (sz[u] < LG)
		return false;
	change(root[u] = u);
	return go_big(u), true;
}

void build_tree(int u) {
	for (int v = 0; v < n; v++)
		path[v].clear();
	memset(root, -1, sizeof root);
	memset(id, -1, sizeof id);
	mark.reset(), dfs_tree(u);
	if (!build(u))
		for (int v = 0; v < n; v++)
			if (~root[v] && !~root[par[v]])
				build_tree(v);
}

long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
	n = N, m = M;
	for (int u = 0; u < n; u++)
		ed[u].clear();
	for (int i = 0; i < m; i++) {
		ed[a[i] = A[i]].push_back(B[i]);
		ed[b[i] = B[i]].push_back(A[i]);
	}
	build_tree(0);
	while (P ^ root[P])
		V = Move(P = par[P]);
	long long answer = V;
	for (auto u: path[P]) {
		if (P ^ u)
			V = Move(P = u);
		answer |= 1LL * V << id[P];
	}
	return answer;
}

Subtask #1
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 2220 KB Output is correct
2 Correct 10 ms 2216 KB Output is correct
3 Correct 11 ms 2308 KB Output is correct
4 Correct 10 ms 2192 KB Output is correct
5 Correct 10 ms 2208 KB Output is correct
6 Correct 10 ms 2296 KB Output is correct
7 Correct 11 ms 2324 KB Output is correct
8 Correct 10 ms 2208 KB Output is correct
9 Correct 11 ms 2200 KB Output is correct
10 Correct 11 ms 2200 KB Output is correct
11 Execution timed out 3076 ms 2592 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3080 ms 2664 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 2072 KB Output is correct
2 Correct 10 ms 2172 KB Output is correct
3 Correct 10 ms 2168 KB Output is correct
4 Correct 13 ms 3000 KB Output is correct
5 Correct 14 ms 3000 KB Output is correct
6 Correct 14 ms 3108 KB Output is correct
7 Correct 14 ms 3016 KB Output is correct
8 Correct 14 ms 3000 KB Output is correct
9 Correct 31 ms 7676 KB Output is correct
10 Correct 31 ms 7584 KB Output is correct
11 Correct 32 ms 7672 KB Output is correct
12 Correct 10 ms 2220 KB Output is correct
13 Correct 10 ms 2196 KB Output is correct
14 Correct 10 ms 2224 KB Output is correct
15 Correct 10 ms 2196 KB Output is correct

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 86 ms 6648 KB Output is correct
2 Correct 54 ms 6112 KB Output is correct
3 Incorrect 35 ms 4744 KB Wrong Answer [7]
4 Halted 0 ms 0 KB -

Subtask #5
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 49 ms 6416 KB Output is correct
2 Correct 43 ms 6128 KB Output is correct
3 Correct 62 ms 6256 KB Output is correct
4 Correct 34 ms 4576 KB Output is correct
5 Correct 32 ms 6556 KB Output is correct
6 Correct 36 ms 5400 KB Output is correct
7 Correct 35 ms 5476 KB Output is correct
8 Correct 35 ms 5664 KB Output is correct
9 Correct 33 ms 5316 KB Output is correct
10 Correct 27 ms 4744 KB Output is correct
11 Correct 28 ms 4748 KB Output is correct
12 Correct 31 ms 4392 KB Output is correct
13 Correct 27 ms 4388 KB Output is correct
14 Correct 31 ms 4620 KB Output is correct
15 Correct 33 ms 4636 KB Output is correct
16 Correct 33 ms 4704 KB Output is correct
17 Correct 34 ms 4560 KB Output is correct
18 Correct 41 ms 4508 KB Output is correct
19 Correct 33 ms 4528 KB Output is correct
20 Correct 30 ms 5956 KB Output is correct
21 Correct 28 ms 5848 KB Output is correct
22 Correct 35 ms 5612 KB Output is correct
23 Correct 28 ms 5360 KB Output is correct
24 Correct 35 ms 5440 KB Output is correct
25 Correct 35 ms 5408 KB Output is correct
26 Correct 34 ms 5380 KB Output is correct
27 Correct 37 ms 6036 KB Output is correct
28 Correct 35 ms 5848 KB Output is correct
29 Correct 32 ms 5508 KB Output is correct
30 Correct 33 ms 5520 KB Output is correct
31 Correct 10 ms 2212 KB Output is correct
32 Correct 10 ms 2208 KB Output is correct
33 Correct 10 ms 2332 KB Output is correct
34 Correct 10 ms 2040 KB Output is correct
35 Correct 10 ms 2168 KB Output is correct
36 Correct 10 ms 2212 KB Output is correct
37 Correct 10 ms 2220 KB Output is correct
38 Correct 10 ms 2168 KB Output is correct
39 Correct 10 ms 2224 KB Output is correct
40 Correct 10 ms 2040 KB Output is correct
41 Correct 10 ms 2212 KB Output is correct
42 Correct 10 ms 2224 KB Output is correct