oj.uz

Submission #67513

# Submission time Handle Problem Language Result Execution time Memory
67513 2018-08-14T13:18:15 Z zscoder Toy Train (IOI17_train) C++17
100 / 100
 549 ms 16764 KB 
#include "train.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef pair<ll,ll> ii;

#define mp make_pair
#define pb push_back
#define fi first
#define se second

vi adj[22222];
vi radj[22222];
std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {
	std::vector<int> res(a.size(),0);
	int n=res.size();
	for(int i=0;i<u.size();i++)
	{
		adj[u[i]].pb(v[i]); radj[v[i]].pb(u[i]);
	}
	while(1)
	{
		vector<int> deg(n,0); vector<int> visited(n,0);
		for(int i=0;i<n;i++) deg[i]=adj[i].size();
		queue<int> q;
		for(int i=0;i<n;i++){if(r[i]) q.push(i);}
		while(!q.empty())
		{
			int u=q.front(); q.pop();
			for(int v:radj[u])
			{
				if(a[v])
				{
					if(!visited[v])
					{
						visited[v]=1;
						if(!r[v]) q.push(v); //or else double count for case 2
					}
				}
				else
				{
					deg[v]--;
					if(!deg[v])
					{
						if(!visited[v])
						{
							visited[v]=1;
							if(!r[v]) q.push(v);
						}
					}
				}
			}
		}
		bool edit=0;
		for(int i=0;i<n;i++){if(r[i]&&!visited[i]) r[i]=0,edit=1;}
		if(edit) continue;
		res=visited; break;
	}
	return res;
}

Compilation message

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:20:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<u.size();i++)
              ~^~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2040 KB Output is correct
2 Correct 19 ms 2268 KB Output is correct
3 Correct 17 ms 2296 KB Output is correct
4 Correct 17 ms 2448 KB Output is correct
5 Correct 16 ms 2596 KB Output is correct
6 Correct 15 ms 2680 KB Output is correct
7 Correct 13 ms 2836 KB Output is correct
8 Correct 13 ms 3028 KB Output is correct
9 Correct 8 ms 3096 KB Output is correct
10 Correct 8 ms 3096 KB Output is correct
11 Correct 10 ms 3148 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3148 KB Output is correct
2 Correct 4 ms 3148 KB Output is correct
3 Correct 4 ms 3148 KB Output is correct
4 Correct 4 ms 3148 KB Output is correct
5 Correct 3 ms 3148 KB Output is correct
6 Correct 4 ms 3148 KB Output is correct
7 Correct 5 ms 3148 KB Output is correct
8 Correct 4 ms 3148 KB Output is correct
9 Correct 4 ms 3148 KB Output is correct
10 Correct 4 ms 3148 KB Output is correct
11 Correct 3 ms 3148 KB Output is correct
12 Correct 3 ms 3148 KB Output is correct
13 Correct 3 ms 3148 KB Output is correct
14 Correct 3 ms 3148 KB Output is correct
15 Correct 2 ms 3148 KB Output is correct
16 Correct 4 ms 3148 KB Output is correct
17 Correct 4 ms 3148 KB Output is correct
18 Correct 3 ms 3148 KB Output is correct
19 Correct 3 ms 3148 KB Output is correct
20 Correct 3 ms 3148 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 3828 KB Output is correct
2 Correct 154 ms 4164 KB Output is correct
3 Correct 195 ms 4340 KB Output is correct
4 Correct 16 ms 4452 KB Output is correct
5 Correct 18 ms 4660 KB Output is correct
6 Correct 16 ms 4868 KB Output is correct
7 Correct 14 ms 5076 KB Output is correct
8 Correct 12 ms 5284 KB Output is correct
9 Correct 14 ms 5492 KB Output is correct
10 Correct 16 ms 5768 KB Output is correct
11 Correct 14 ms 5768 KB Output is correct
12 Correct 14 ms 5944 KB Output is correct
13 Correct 13 ms 6256 KB Output is correct
14 Correct 17 ms 6464 KB Output is correct
15 Correct 14 ms 6712 KB Output is correct
16 Correct 14 ms 6880 KB Output is correct
17 Correct 15 ms 7088 KB Output is correct
18 Correct 303 ms 7088 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 7284 KB Output is correct
2 Correct 14 ms 7444 KB Output is correct
3 Correct 14 ms 7752 KB Output is correct
4 Correct 13 ms 7960 KB Output is correct
5 Correct 15 ms 8172 KB Output is correct
6 Correct 13 ms 8448 KB Output is correct
7 Correct 14 ms 8520 KB Output is correct
8 Correct 12 ms 8772 KB Output is correct
9 Correct 15 ms 8840 KB Output is correct
10 Correct 16 ms 9152 KB Output is correct
11 Correct 15 ms 9360 KB Output is correct
12 Correct 15 ms 9732 KB Output is correct
13 Correct 13 ms 9780 KB Output is correct
14 Correct 17 ms 9860 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 10176 KB Output is correct
2 Correct 17 ms 10384 KB Output is correct
3 Correct 15 ms 10592 KB Output is correct
4 Correct 13 ms 10728 KB Output is correct
5 Correct 4 ms 10728 KB Output is correct
6 Correct 10 ms 10728 KB Output is correct
7 Correct 9 ms 10728 KB Output is correct
8 Correct 9 ms 10832 KB Output is correct
9 Correct 10 ms 10984 KB Output is correct
10 Correct 5 ms 10984 KB Output is correct
11 Correct 9 ms 11156 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2040 KB Output is correct
2 Correct 19 ms 2268 KB Output is correct
3 Correct 17 ms 2296 KB Output is correct
4 Correct 17 ms 2448 KB Output is correct
5 Correct 16 ms 2596 KB Output is correct
6 Correct 15 ms 2680 KB Output is correct
7 Correct 13 ms 2836 KB Output is correct
8 Correct 13 ms 3028 KB Output is correct
9 Correct 8 ms 3096 KB Output is correct
10 Correct 8 ms 3096 KB Output is correct
11 Correct 10 ms 3148 KB Output is correct
12 Correct 4 ms 3148 KB Output is correct
13 Correct 4 ms 3148 KB Output is correct
14 Correct 4 ms 3148 KB Output is correct
15 Correct 4 ms 3148 KB Output is correct
16 Correct 3 ms 3148 KB Output is correct
17 Correct 4 ms 3148 KB Output is correct
18 Correct 5 ms 3148 KB Output is correct
19 Correct 4 ms 3148 KB Output is correct
20 Correct 4 ms 3148 KB Output is correct
21 Correct 4 ms 3148 KB Output is correct
22 Correct 3 ms 3148 KB Output is correct
23 Correct 3 ms 3148 KB Output is correct
24 Correct 3 ms 3148 KB Output is correct
25 Correct 3 ms 3148 KB Output is correct
26 Correct 2 ms 3148 KB Output is correct
27 Correct 4 ms 3148 KB Output is correct
28 Correct 4 ms 3148 KB Output is correct
29 Correct 3 ms 3148 KB Output is correct
30 Correct 3 ms 3148 KB Output is correct
31 Correct 3 ms 3148 KB Output is correct
32 Correct 85 ms 3828 KB Output is correct
33 Correct 154 ms 4164 KB Output is correct
34 Correct 195 ms 4340 KB Output is correct
35 Correct 16 ms 4452 KB Output is correct
36 Correct 18 ms 4660 KB Output is correct
37 Correct 16 ms 4868 KB Output is correct
38 Correct 14 ms 5076 KB Output is correct
39 Correct 12 ms 5284 KB Output is correct
40 Correct 14 ms 5492 KB Output is correct
41 Correct 16 ms 5768 KB Output is correct
42 Correct 14 ms 5768 KB Output is correct
43 Correct 14 ms 5944 KB Output is correct
44 Correct 13 ms 6256 KB Output is correct
45 Correct 17 ms 6464 KB Output is correct
46 Correct 14 ms 6712 KB Output is correct
47 Correct 14 ms 6880 KB Output is correct
48 Correct 15 ms 7088 KB Output is correct
49 Correct 303 ms 7088 KB Output is correct
50 Correct 15 ms 7284 KB Output is correct
51 Correct 14 ms 7444 KB Output is correct
52 Correct 14 ms 7752 KB Output is correct
53 Correct 13 ms 7960 KB Output is correct
54 Correct 15 ms 8172 KB Output is correct
55 Correct 13 ms 8448 KB Output is correct
56 Correct 14 ms 8520 KB Output is correct
57 Correct 12 ms 8772 KB Output is correct
58 Correct 15 ms 8840 KB Output is correct
59 Correct 16 ms 9152 KB Output is correct
60 Correct 15 ms 9360 KB Output is correct
61 Correct 15 ms 9732 KB Output is correct
62 Correct 13 ms 9780 KB Output is correct
63 Correct 17 ms 9860 KB Output is correct
64 Correct 18 ms 10176 KB Output is correct
65 Correct 17 ms 10384 KB Output is correct
66 Correct 15 ms 10592 KB Output is correct
67 Correct 13 ms 10728 KB Output is correct
68 Correct 4 ms 10728 KB Output is correct
69 Correct 10 ms 10728 KB Output is correct
70 Correct 9 ms 10728 KB Output is correct
71 Correct 9 ms 10832 KB Output is correct
72 Correct 10 ms 10984 KB Output is correct
73 Correct 5 ms 10984 KB Output is correct
74 Correct 9 ms 11156 KB Output is correct
75 Correct 118 ms 11748 KB Output is correct
76 Correct 168 ms 11972 KB Output is correct
77 Correct 206 ms 12052 KB Output is correct
78 Correct 225 ms 12360 KB Output is correct
79 Correct 235 ms 12468 KB Output is correct
80 Correct 13 ms 12676 KB Output is correct
81 Correct 16 ms 12940 KB Output is correct
82 Correct 16 ms 13084 KB Output is correct
83 Correct 23 ms 13300 KB Output is correct
84 Correct 19 ms 13508 KB Output is correct
85 Correct 15 ms 13768 KB Output is correct
86 Correct 19 ms 13940 KB Output is correct
87 Correct 13 ms 14132 KB Output is correct
88 Correct 20 ms 14340 KB Output is correct
89 Correct 14 ms 14548 KB Output is correct
90 Correct 35 ms 14820 KB Output is correct
91 Correct 28 ms 14964 KB Output is correct
92 Correct 44 ms 15172 KB Output is correct
93 Correct 38 ms 15380 KB Output is correct
94 Correct 52 ms 15592 KB Output is correct
95 Correct 48 ms 15800 KB Output is correct
96 Correct 94 ms 16040 KB Output is correct
97 Correct 327 ms 16324 KB Output is correct
98 Correct 549 ms 16472 KB Output is correct
99 Correct 546 ms 16764 KB Output is correct
100 Correct 314 ms 16764 KB Output is correct