oj.uz

Submission #57202

# Submission time Handle Problem Language Result Execution time Memory
57202 2018-07-14T09:10:17 Z Crown Toy Train (IOI17_train) C++14
49 / 100
 2000 ms 3028 KB 
#include "train.h"
#include <bits/stdc++.h>
using namespace std;
#define X first
#define Y second
#define pb push_back
typedef long long ll;
typedef pair<int, int> ii;

const int maxn = 5005;

int out[maxn];
int inq[maxn];
int proc[maxn];
int Who_wins[maxn];
bool vis[maxn];

vector<int> A;
vector<int> R;
vector<int> adj[maxn];
vector<int> rev[maxn];
vector<int> bic[maxn];
vector<int> U, V;

int n, m;

vector<int> f(int is_a, vector<int> &all, vector<int> &s)
{
	for(auto u : all)
	{
		inq[u] = 0;
		out[u] = 0;
		for(auto v : adj[u])
		{
			if(!proc[v]) out[u]++;
		}
	}	
	queue<int> q;
	for(auto u : s)
	{
		inq[u] = true;
		q.push(u);
	}
	while(!q.empty())
	{
		int u = q.front(); q.pop();
		for(auto v : rev[u])
		{
			if(inq[v] || proc[v]) continue;
			out[v]--;
			if(A[v] == is_a)
			{
				inq[v] = true;
				q.push(v);
			}
			else if(out[v] == 0)
			{
				inq[v] = true;
				q.push(v);
			}
		}
	}
	vector<int> res;
	for(auto u : all) if(inq[u]) res.pb(u);
	return res;
}

void dfs(int u, vector<int> &all, vector<int> &charge)
{
	all.pb(u); 
	if(R[u]) charge.pb(u);
	for(auto v : bic[u])
		if(!vis[v] && !proc[v])
		{
			vis[v] = true;
			dfs(v, all, charge);
		}
}

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> _U, vector<int> _V)
{
	A = a; R = r;
	U = _U; V = _V;
	n = a.size(), m = _U.size();
	for(int i = 0; i< m; i++)
	{
		int u = _U[i], v = _V[i];
		adj[u].pb(v); rev[v].pb(u);
		bic[u].pb(v); bic[v].pb(u);
	}
	queue< pair<vector<int>, vector<int> > > Q;
	for(int i = 0; i< n; i++)
	{
		if(vis[i]) continue;
		vis[i] = true;
		vector<int> all, charge;
		dfs(i, all, charge);
		Q.push(make_pair(all, charge));
	}
	while(!Q.empty())
	{
		vector<int> all = Q.front().X, charge = Q.front().Y; Q.pop();
		// for(auto u : all) printf("%d ", u); printf("\n");
		// for(auto u : charge) printf("c%d ", u); printf("\n");
		vector<int> f_a = f(1, all, charge);
		sort(f_a.begin(), f_a.end());
		f_a.resize(unique(f_a.begin(), f_a.end())-f_a.begin());
		vector<int> x;
		if(all.size() == f_a.size())
		{
			for(auto u : all) proc[u] = true;
			for(auto u : all) Who_wins[u] = true;
			continue;
		}
		for(auto u : all)
		{
			if(!binary_search(f_a.begin(), f_a.end(), u)) x.pb(u); 
		}
		vector<int> f_b = f(0, all, x);
		for(auto u : f_b)
		{
			proc[u] = 1;
		}
		for(auto u : all) vis[u] = false;
		for(auto u : all)
		{
			if(vis[u] || proc[u]) continue;
			vis[u] = true;
			vector<int> All, Charge;
			dfs(u, All, Charge);
			//for(auto u : All) printf("**%d ", u); printf("\n");
			//for(auto u : Charge) printf("***%d ", u); printf("\n");
			sort(All.begin(), All.end());
			All.resize(unique(All.begin(), All.end())-All.begin());
			Q.push(make_pair(All, Charge));
		}
	}
	vector<int> res(n);
	for(int i = 0; i< n; i++) res[i] = Who_wins[i];
	return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2040 KB Output is correct
2 Correct 12 ms 2040 KB Output is correct
3 Correct 12 ms 2040 KB Output is correct
4 Correct 11 ms 2040 KB Output is correct
5 Correct 12 ms 2040 KB Output is correct
6 Correct 10 ms 2040 KB Output is correct
7 Correct 11 ms 2040 KB Output is correct
8 Correct 11 ms 2040 KB Output is correct
9 Correct 12 ms 2040 KB Output is correct
10 Correct 12 ms 2040 KB Output is correct
11 Correct 11 ms 2192 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2192 KB Output is correct
2 Correct 3 ms 2192 KB Output is correct
3 Correct 3 ms 2192 KB Output is correct
4 Correct 3 ms 2192 KB Output is correct
5 Correct 3 ms 2192 KB Output is correct
6 Correct 2 ms 2192 KB Output is correct
7 Correct 2 ms 2192 KB Output is correct
8 Correct 3 ms 2192 KB Output is correct
9 Correct 3 ms 2192 KB Output is correct
10 Correct 3 ms 2192 KB Output is correct
11 Correct 3 ms 2192 KB Output is correct
12 Correct 3 ms 2192 KB Output is correct
13 Correct 4 ms 2192 KB Output is correct
14 Correct 3 ms 2192 KB Output is correct
15 Correct 2 ms 2192 KB Output is correct
16 Correct 3 ms 2192 KB Output is correct
17 Correct 3 ms 2192 KB Output is correct
18 Correct 3 ms 2192 KB Output is correct
19 Correct 3 ms 2192 KB Output is correct
20 Correct 2 ms 2192 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 640 ms 2944 KB Output is correct
2 Correct 987 ms 3024 KB Output is correct
3 Correct 1190 ms 3024 KB Output is correct
4 Correct 25 ms 3024 KB Output is correct
5 Correct 30 ms 3024 KB Output is correct
6 Correct 21 ms 3024 KB Output is correct
7 Correct 19 ms 3024 KB Output is correct
8 Correct 19 ms 3024 KB Output is correct
9 Correct 20 ms 3024 KB Output is correct
10 Correct 21 ms 3024 KB Output is correct
11 Correct 23 ms 3024 KB Output is correct
12 Correct 26 ms 3024 KB Output is correct
13 Correct 23 ms 3024 KB Output is correct
14 Correct 28 ms 3024 KB Output is correct
15 Correct 21 ms 3024 KB Output is correct
16 Correct 29 ms 3024 KB Output is correct
17 Correct 18 ms 3024 KB Output is correct
18 Correct 1875 ms 3024 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 3024 KB Output is correct
2 Correct 18 ms 3024 KB Output is correct
3 Correct 28 ms 3024 KB Output is correct
4 Correct 21 ms 3024 KB Output is correct
5 Correct 16 ms 3024 KB Output is correct
6 Correct 21 ms 3024 KB Output is correct
7 Correct 20 ms 3024 KB Output is correct
8 Correct 21 ms 3024 KB Output is correct
9 Correct 20 ms 3024 KB Output is correct
10 Correct 31 ms 3024 KB Output is correct
11 Correct 18 ms 3024 KB Output is correct
12 Correct 25 ms 3024 KB Output is correct
13 Correct 22 ms 3024 KB Output is correct
14 Correct 21 ms 3024 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 3024 KB Output is correct
2 Correct 22 ms 3024 KB Output is correct
3 Correct 23 ms 3024 KB Output is correct
4 Correct 19 ms 3024 KB Output is correct
5 Correct 5 ms 3024 KB Output is correct
6 Correct 13 ms 3024 KB Output is correct
7 Correct 10 ms 3024 KB Output is correct
8 Correct 11 ms 3024 KB Output is correct
9 Correct 12 ms 3024 KB Output is correct
10 Correct 7 ms 3024 KB Output is correct
11 Correct 12 ms 3024 KB Output is correct

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2040 KB Output is correct
2 Correct 12 ms 2040 KB Output is correct
3 Correct 12 ms 2040 KB Output is correct
4 Correct 11 ms 2040 KB Output is correct
5 Correct 12 ms 2040 KB Output is correct
6 Correct 10 ms 2040 KB Output is correct
7 Correct 11 ms 2040 KB Output is correct
8 Correct 11 ms 2040 KB Output is correct
9 Correct 12 ms 2040 KB Output is correct
10 Correct 12 ms 2040 KB Output is correct
11 Correct 11 ms 2192 KB Output is correct
12 Correct 3 ms 2192 KB Output is correct
13 Correct 3 ms 2192 KB Output is correct
14 Correct 3 ms 2192 KB Output is correct
15 Correct 3 ms 2192 KB Output is correct
16 Correct 3 ms 2192 KB Output is correct
17 Correct 2 ms 2192 KB Output is correct
18 Correct 2 ms 2192 KB Output is correct
19 Correct 3 ms 2192 KB Output is correct
20 Correct 3 ms 2192 KB Output is correct
21 Correct 3 ms 2192 KB Output is correct
22 Correct 3 ms 2192 KB Output is correct
23 Correct 3 ms 2192 KB Output is correct
24 Correct 4 ms 2192 KB Output is correct
25 Correct 3 ms 2192 KB Output is correct
26 Correct 2 ms 2192 KB Output is correct
27 Correct 3 ms 2192 KB Output is correct
28 Correct 3 ms 2192 KB Output is correct
29 Correct 3 ms 2192 KB Output is correct
30 Correct 3 ms 2192 KB Output is correct
31 Correct 2 ms 2192 KB Output is correct
32 Correct 640 ms 2944 KB Output is correct
33 Correct 987 ms 3024 KB Output is correct
34 Correct 1190 ms 3024 KB Output is correct
35 Correct 25 ms 3024 KB Output is correct
36 Correct 30 ms 3024 KB Output is correct
37 Correct 21 ms 3024 KB Output is correct
38 Correct 19 ms 3024 KB Output is correct
39 Correct 19 ms 3024 KB Output is correct
40 Correct 20 ms 3024 KB Output is correct
41 Correct 21 ms 3024 KB Output is correct
42 Correct 23 ms 3024 KB Output is correct
43 Correct 26 ms 3024 KB Output is correct
44 Correct 23 ms 3024 KB Output is correct
45 Correct 28 ms 3024 KB Output is correct
46 Correct 21 ms 3024 KB Output is correct
47 Correct 29 ms 3024 KB Output is correct
48 Correct 18 ms 3024 KB Output is correct
49 Correct 1875 ms 3024 KB Output is correct
50 Correct 19 ms 3024 KB Output is correct
51 Correct 18 ms 3024 KB Output is correct
52 Correct 28 ms 3024 KB Output is correct
53 Correct 21 ms 3024 KB Output is correct
54 Correct 16 ms 3024 KB Output is correct
55 Correct 21 ms 3024 KB Output is correct
56 Correct 20 ms 3024 KB Output is correct
57 Correct 21 ms 3024 KB Output is correct
58 Correct 20 ms 3024 KB Output is correct
59 Correct 31 ms 3024 KB Output is correct
60 Correct 18 ms 3024 KB Output is correct
61 Correct 25 ms 3024 KB Output is correct
62 Correct 22 ms 3024 KB Output is correct
63 Correct 21 ms 3024 KB Output is correct
64 Correct 23 ms 3024 KB Output is correct
65 Correct 22 ms 3024 KB Output is correct
66 Correct 23 ms 3024 KB Output is correct
67 Correct 19 ms 3024 KB Output is correct
68 Correct 5 ms 3024 KB Output is correct
69 Correct 13 ms 3024 KB Output is correct
70 Correct 10 ms 3024 KB Output is correct
71 Correct 11 ms 3024 KB Output is correct
72 Correct 12 ms 3024 KB Output is correct
73 Correct 7 ms 3024 KB Output is correct
74 Correct 12 ms 3024 KB Output is correct
75 Correct 789 ms 3024 KB Output is correct
76 Correct 1070 ms 3024 KB Output is correct
77 Correct 1281 ms 3024 KB Output is correct
78 Correct 1288 ms 3028 KB Output is correct
79 Correct 1237 ms 3028 KB Output is correct
80 Correct 21 ms 3028 KB Output is correct
81 Correct 19 ms 3028 KB Output is correct
82 Correct 22 ms 3028 KB Output is correct
83 Correct 26 ms 3028 KB Output is correct
84 Correct 25 ms 3028 KB Output is correct
85 Correct 22 ms 3028 KB Output is correct
86 Correct 24 ms 3028 KB Output is correct
87 Correct 19 ms 3028 KB Output is correct
88 Correct 33 ms 3028 KB Output is correct
89 Correct 21 ms 3028 KB Output is correct
90 Correct 56 ms 3028 KB Output is correct
91 Correct 44 ms 3028 KB Output is correct
92 Correct 111 ms 3028 KB Output is correct
93 Correct 81 ms 3028 KB Output is correct
94 Correct 84 ms 3028 KB Output is correct
95 Correct 88 ms 3028 KB Output is correct
96 Correct 321 ms 3028 KB Output is correct
97 Correct 1647 ms 3028 KB Output is correct
98 Execution timed out 2057 ms 3028 KB Time limit exceeded
99 Halted 0 ms 0 KB -