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Submission #205709

# Submission time Handle Problem Language Result Execution time Memory
205709 2020-02-29T14:30:59 Z ArshiaDadras Amusement Park (JOI17_amusement_park) C++14
10 / 100
 3000 ms 6992 KB 
/* In the name of Allah */
#include<bits/stdc++.h>
#include<Joi.h>
using namespace std;

const int N = 1e4 + 5;
int n, m, k, a[N], b[N], root[N], down[N], sz[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]) {
			dfs_tree(v);
			help.push_back(v);
		}
	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]] < 60)
			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 (k + sz[root[u]] < 60 && v ^ adj[u][0])
				go(v);
	}
}

bool build(int u) {
	vector<int> help;
	sz[u] = 1, down[u] = 0;
	for (auto v: adj[u])
		if (!build(v)) {
			sz[u] += sz[v];
			help.push_back(v);
			down[u] = max(down[u], down[v] + 1);
		}
	sort(help.begin(), help.end(), [] (int u, int v) {
		return down[u] > down[v];
	});
	adj[u] = help;
	if (sz[u] < 60)
		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 i = 0; i < m; i++) {
			if (~root[a[i]])
				swap(a[i], b[i]);
			if (!~root[a[i]] && ~root[b[i]])
				build_tree(b[i]);
		}
}

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;
int n, m, k, a[N], b[N], root[N], down[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]] < 60)
			go(v), path[root[u]].push_back(u);
}

void go_big(int u) {
	for (sz[u] = 0; true; u = adj[u][0]) {
		id[u] = sz[root[u]]++;
		path[root[u]].push_back(u);
		if (adj[u].empty())
			break;
		k = sz[adj[u][0]];
		for (auto v: adj[u])
			if (k + sz[root[u]] < 60 && v ^ adj[u][0])
				go(v), path[root[u]].push_back(u);
	}
}

bool build(int u) {
	vector<int> help;
	sz[u] = 1, down[u] = 0;
	for (auto v: adj[u])
		if (!build(v)) {
			sz[u] += sz[v];
			help.push_back(v);
			down[u] = max(down[u], down[v] + 1);
		}
	sort(help.begin(), help.end(), [] (int u, int v) {
		return down[u] > down[v];
	});
	adj[u] = help;
	if (sz[u] < 60)
		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 i = 0; i < m; i++) {
			if (~root[a[i]])
				swap(a[i], b[i]);
			if (!~root[a[i]] && ~root[b[i]])
				build_tree(b[i]);
		}
}

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

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2224 KB Output is correct
2 Correct 10 ms 2208 KB Output is correct
3 Correct 10 ms 2204 KB Output is correct
4 Correct 10 ms 2208 KB Output is correct
5 Correct 11 ms 2164 KB Output is correct
6 Correct 10 ms 2180 KB Output is correct
7 Correct 11 ms 2192 KB Output is correct
8 Correct 10 ms 2200 KB Output is correct
9 Correct 11 ms 2208 KB Output is correct
10 Correct 11 ms 2212 KB Output is correct
11 Execution timed out 3074 ms 4512 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3085 ms 2424 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2220 KB Output is correct
2 Correct 10 ms 2216 KB Output is correct
3 Correct 10 ms 2164 KB Output is correct
4 Correct 14 ms 3052 KB Output is correct
5 Correct 14 ms 3032 KB Output is correct
6 Correct 14 ms 3052 KB Output is correct
7 Correct 14 ms 2908 KB Output is correct
8 Correct 14 ms 3032 KB Output is correct
9 Correct 34 ms 6992 KB Output is correct
10 Correct 36 ms 6984 KB Output is correct
11 Correct 31 ms 6976 KB Output is correct
12 Correct 10 ms 2164 KB Output is correct
13 Correct 10 ms 2220 KB Output is correct
14 Correct 10 ms 2228 KB Output is correct
15 Correct 11 ms 2228 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3060 ms 2424 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3095 ms 2296 KB Time limit exceeded
2 Halted 0 ms 0 KB -