답안 #292331

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
292331	2020-09-06T20:43:06 Z	VodkaInTheJar	게임 (IOI14_game)	C++14	100 / 100	531 ms	8568 KB

game

#include <bits/stdc++.h>

using namespace std;

const int maxn = 1503; 
const int k = 40; 

int cnt[maxn][maxn];
vector <int> adj[maxn];
int n, cnt_buckets; 
void initialize(int m)
{
	n = m;
	cnt_buckets = (n - 1) / k; 
	for (int i = 1; i <= n; i++)
	for (int j = i + 1; j <= n; j++)
	{
		if ((i - 1) / k == (j - 1) / k)
		adj[i].push_back(j), adj[j].push_back(i);
		
		else 
		cnt[(i - 1) / k][(j - 1) / k]++, cnt[(j - 1) / k][(i - 1) / k]++; 
	}
}

int cnt_used = 0; 
bool used[maxn];
void dfs1(int ver)
{
	used[ver] = true;
	cnt_used++;
	 
	for (int i = 0; i <= cnt_buckets; i++)
	if (!used[i] && cnt[ver][i])
	dfs1(i);
}

void dfs2(int ver)
{
	used[ver] = true;
	cnt_used++;
	
	for (auto i: adj[ver])
	if (!used[i])
	dfs2(i);
}

int hasEdge(int u, int v)
{
	u++;
	v++;
	
	if ((u - 1) / k == (v - 1) / k)
	{
		auto it1 = find(adj[u].begin(), adj[u].end(), v);
		auto it2 = find(adj[v].begin(), adj[v].end(), u);
		adj[u].erase(it1);
		adj[v].erase(it2);
		
		int first = (u - 1) / k * k + 1; 
		int last = min(n, first + k - 1); 
		for (int i = first; i <= last; i++)
		used[i] = false;
		
		cnt_used = 0; 
		dfs2(first);
		
		if (cnt_used != last - first + 1)
		{
			adj[u].push_back(v);
			adj[v].push_back(u);
			return 1; 
		}
		
		return 0; 
	}
	
	else 
	{
		cnt[(u - 1) / k][(v - 1) / k]--;
		cnt[(v - 1) / k][(u - 1) / k]--;
		
		if (cnt[(u - 1) / k][(v - 1) / k] >= 1)
		return 0;
		
		for (int i = 0; i <= cnt_buckets; i++)
		used[i] = false;
		
		cnt_used = 0;
		dfs1(0);
		
		if (cnt_used != cnt_buckets + 1)
		{
			cnt[(u - 1) / k][(v - 1) / k]++;
		    cnt[(v - 1) / k][(u - 1) / k]++;
		    return 1; 
		}
		
		return 0; 
	}
}

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	0 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct

Subtask #2
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	0 ms	384 KB	Output is correct
24	Correct	1 ms	416 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	6 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	3 ms	384 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	4 ms	384 KB	Output is correct
35	Correct	5 ms	384 KB	Output is correct
36	Correct	4 ms	384 KB	Output is correct
37	Correct	4 ms	384 KB	Output is correct
38	Correct	4 ms	384 KB	Output is correct
39	Correct	4 ms	384 KB	Output is correct
40	Correct	6 ms	384 KB	Output is correct
41	Correct	4 ms	384 KB	Output is correct
42	Correct	6 ms	384 KB	Output is correct
43	Correct	4 ms	384 KB	Output is correct
44	Correct	4 ms	384 KB	Output is correct
45	Correct	4 ms	384 KB	Output is correct
46	Correct	5 ms	384 KB	Output is correct
47	Correct	4 ms	384 KB	Output is correct
48	Correct	4 ms	384 KB	Output is correct
49	Correct	4 ms	384 KB	Output is correct
50	Correct	4 ms	384 KB	Output is correct
51	Correct	4 ms	384 KB	Output is correct
52	Correct	4 ms	384 KB	Output is correct
53	Correct	4 ms	384 KB	Output is correct
54	Correct	4 ms	384 KB	Output is correct

Subtask #3
58.0 / 58.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	0 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	4 ms	384 KB	Output is correct
35	Correct	4 ms	384 KB	Output is correct
36	Correct	4 ms	384 KB	Output is correct
37	Correct	4 ms	384 KB	Output is correct
38	Correct	4 ms	384 KB	Output is correct
39	Correct	4 ms	384 KB	Output is correct
40	Correct	4 ms	384 KB	Output is correct
41	Correct	4 ms	384 KB	Output is correct
42	Correct	4 ms	384 KB	Output is correct
43	Correct	4 ms	384 KB	Output is correct
44	Correct	3 ms	384 KB	Output is correct
45	Correct	4 ms	384 KB	Output is correct
46	Correct	4 ms	384 KB	Output is correct
47	Correct	4 ms	384 KB	Output is correct
48	Correct	5 ms	384 KB	Output is correct
49	Correct	4 ms	384 KB	Output is correct
50	Correct	4 ms	384 KB	Output is correct
51	Correct	4 ms	384 KB	Output is correct
52	Correct	4 ms	384 KB	Output is correct
53	Correct	4 ms	384 KB	Output is correct
54	Correct	4 ms	384 KB	Output is correct
55	Correct	64 ms	2168 KB	Output is correct
56	Correct	64 ms	2168 KB	Output is correct
57	Correct	63 ms	2168 KB	Output is correct
58	Correct	64 ms	2168 KB	Output is correct
59	Correct	64 ms	2168 KB	Output is correct
60	Correct	64 ms	2168 KB	Output is correct
61	Correct	64 ms	2168 KB	Output is correct
62	Correct	66 ms	2168 KB	Output is correct
63	Correct	65 ms	2168 KB	Output is correct
64	Correct	59 ms	2188 KB	Output is correct
65	Correct	62 ms	2296 KB	Output is correct
66	Correct	64 ms	2168 KB	Output is correct
67	Correct	65 ms	2296 KB	Output is correct
68	Correct	64 ms	2168 KB	Output is correct
69	Correct	64 ms	2168 KB	Output is correct
70	Correct	63 ms	2168 KB	Output is correct
71	Correct	64 ms	2168 KB	Output is correct
72	Correct	64 ms	2168 KB	Output is correct
73	Correct	64 ms	2168 KB	Output is correct
74	Correct	64 ms	2168 KB	Output is correct
75	Correct	64 ms	2168 KB	Output is correct
76	Correct	137 ms	3448 KB	Output is correct
77	Correct	135 ms	3296 KB	Output is correct
78	Correct	139 ms	3320 KB	Output is correct
79	Correct	137 ms	3320 KB	Output is correct
80	Correct	132 ms	3320 KB	Output is correct
81	Correct	136 ms	3320 KB	Output is correct
82	Correct	138 ms	3320 KB	Output is correct
83	Correct	135 ms	3324 KB	Output is correct
84	Correct	135 ms	3320 KB	Output is correct
85	Correct	223 ms	4728 KB	Output is correct
86	Correct	222 ms	4728 KB	Output is correct
87	Correct	221 ms	4728 KB	Output is correct
88	Correct	224 ms	4728 KB	Output is correct
89	Correct	227 ms	4728 KB	Output is correct
90	Correct	226 ms	4856 KB	Output is correct
91	Correct	226 ms	4856 KB	Output is correct
92	Correct	221 ms	4728 KB	Output is correct
93	Correct	224 ms	4728 KB	Output is correct
94	Correct	487 ms	8440 KB	Output is correct
95	Correct	474 ms	8440 KB	Output is correct
96	Correct	475 ms	8440 KB	Output is correct
97	Correct	472 ms	8568 KB	Output is correct
98	Correct	474 ms	8440 KB	Output is correct
99	Correct	531 ms	8568 KB	Output is correct
100	Correct	469 ms	8440 KB	Output is correct

답안 #292331

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 27.0 / 27.0

Subtask #3 58.0 / 58.0

Subtask #1
15.0 / 15.0

Subtask #2
27.0 / 27.0

Subtask #3
58.0 / 58.0