답안 #399041

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
399041	2021-05-05T07:15:52 Z	prvocislo	꿈 (IOI13_dreaming)	C++17	47 / 100	99 ms	24768 KB

dreaming

#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <bitset>
#include"dreaming.h"
typedef long long ll;
using namespace std;

const int maxn = 1e5 + 79, inf = 1e9 + 79;
vector<int> vis(maxn, 0), dp(maxn, 0);
vector<vector<pair<int, int> > > g(maxn);
void dfs1(int u, int p)
{
	vis[u] = 1;
	for (int i = 0; i < g[u].size(); i++) if (g[u][i].first == p) { g[u].erase(g[u].begin() + i); break; }
	for (pair<int, int> i : g[u])
	{
		dfs1(i.first, u);
		dp[u] = max(dp[u], dp[i.first] + i.second);
	}
}
void dfs2(int u, int dist, int &mini, int &dia)
{
	mini = min(mini, max(dist, dp[u]));
	vector<int> pf(g[u].size() + 1, 0), sf(g[u].size() + 1, 0);
	pair<int, int> p(0, 0);
	for (int i = 0; i < g[u].size(); i++)
	{
		int di = dp[g[u][i].first] + g[u][i].second; pf[i + 1] = max(pf[i], di);
		if (di > p.first) swap(p.first, p.second), p.first = di;
		else if (di > p.second) p.second = di;
	} 
	dia = max({ dia, p.first + p.second, dp[u] + dist });
	for (int i = g[u].size() - 1; i >= 0; i--)
		sf[i] = max(sf[i + 1], dp[g[u][i].first] + g[u][i].second);
	for (int i = 0; i < g[u].size(); i++)
		dfs2(g[u][i].first, max({ dist, pf[i], sf[i + 1] }) + g[u][i].second, mini, dia);
}
int travelTime(int n, int m, int l, int a[], int b[], int t[])
{
	for (int i = 0; i < m; i++)
		g[a[i]].push_back({ b[i], t[i] }), g[b[i]].push_back({ a[i], t[i] });
	vector<int> v; int ans = 0;
	for (int i = 0; i < n; i++)
		if (!vis[i])
		{
			v.push_back(inf);
			dfs1(i, -1), dfs2(i, 0, v.back(), ans);
		}
	return max(v[0] + l + v[1], ans);
}

Compilation message

dreaming.cpp: In function 'void dfs1(int, int)':
dreaming.cpp:17:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for (int i = 0; i < g[u].size(); i++) if (g[u][i].first == p) { g[u].erase(g[u].begin() + i); break; }
      |                  ~~^~~~~~~~~~~~~
dreaming.cpp: In function 'void dfs2(int, int, int&, int&)':
dreaming.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |  for (int i = 0; i < g[u].size(); i++)
      |                  ~~^~~~~~~~~~~~~
dreaming.cpp:38:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |  for (int i = 0; i < g[u].size(); i++)
      |                  ~~^~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	65 ms	16496 KB	Output is correct
2	Correct	62 ms	15808 KB	Output is correct
3	Correct	44 ms	14972 KB	Output is correct
4	Correct	10 ms	5328 KB	Output is correct
5	Correct	8 ms	4428 KB	Output is correct
6	Correct	15 ms	6348 KB	Output is correct
7	Correct	2 ms	3404 KB	Output is correct
8	Correct	30 ms	8644 KB	Output is correct
9	Correct	39 ms	12340 KB	Output is correct
10	Correct	3 ms	3532 KB	Output is correct
11	Correct	60 ms	12800 KB	Output is correct
12	Correct	65 ms	14404 KB	Output is correct
13	Correct	3 ms	3468 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	3 ms	3456 KB	Output is correct
3	Correct	3 ms	3460 KB	Output is correct
4	Correct	2 ms	3404 KB	Output is correct
5	Correct	2 ms	3404 KB	Output is correct
6	Correct	3 ms	3404 KB	Output is correct
7	Correct	2 ms	3404 KB	Output is correct
8	Correct	3 ms	3404 KB	Output is correct
9	Correct	2 ms	3404 KB	Output is correct
10	Correct	2 ms	3404 KB	Output is correct
11	Correct	2 ms	3404 KB	Output is correct
12	Correct	3 ms	3404 KB	Output is correct
13	Correct	3 ms	3404 KB	Output is correct
14	Correct	3 ms	3448 KB	Output is correct
15	Correct	2 ms	3404 KB	Output is correct
16	Correct	2 ms	3404 KB	Output is correct
17	Correct	2 ms	3420 KB	Output is correct
18	Correct	2 ms	3404 KB	Output is correct
19	Correct	2 ms	3404 KB	Output is correct
20	Correct	3 ms	3452 KB	Output is correct
21	Correct	2 ms	3444 KB	Output is correct
22	Correct	3 ms	3452 KB	Output is correct
23	Correct	2 ms	3452 KB	Output is correct
24	Correct	3 ms	3404 KB	Output is correct
25	Correct	2 ms	3404 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	65 ms	16496 KB	Output is correct
2	Correct	62 ms	15808 KB	Output is correct
3	Correct	44 ms	14972 KB	Output is correct
4	Correct	10 ms	5328 KB	Output is correct
5	Correct	8 ms	4428 KB	Output is correct
6	Correct	15 ms	6348 KB	Output is correct
7	Correct	2 ms	3404 KB	Output is correct
8	Correct	30 ms	8644 KB	Output is correct
9	Correct	39 ms	12340 KB	Output is correct
10	Correct	3 ms	3532 KB	Output is correct
11	Correct	60 ms	12800 KB	Output is correct
12	Correct	65 ms	14404 KB	Output is correct
13	Correct	3 ms	3468 KB	Output is correct
14	Correct	2 ms	3404 KB	Output is correct
15	Correct	3 ms	3456 KB	Output is correct
16	Correct	3 ms	3460 KB	Output is correct
17	Correct	2 ms	3404 KB	Output is correct
18	Correct	2 ms	3404 KB	Output is correct
19	Correct	3 ms	3404 KB	Output is correct
20	Correct	2 ms	3404 KB	Output is correct
21	Correct	3 ms	3404 KB	Output is correct
22	Correct	2 ms	3404 KB	Output is correct
23	Correct	2 ms	3404 KB	Output is correct
24	Correct	2 ms	3404 KB	Output is correct
25	Correct	3 ms	3404 KB	Output is correct
26	Correct	3 ms	3404 KB	Output is correct
27	Correct	3 ms	3448 KB	Output is correct
28	Correct	2 ms	3404 KB	Output is correct
29	Correct	2 ms	3404 KB	Output is correct
30	Correct	2 ms	3420 KB	Output is correct
31	Correct	2 ms	3404 KB	Output is correct
32	Correct	2 ms	3404 KB	Output is correct
33	Correct	3 ms	3452 KB	Output is correct
34	Correct	2 ms	3444 KB	Output is correct
35	Correct	3 ms	3452 KB	Output is correct
36	Correct	2 ms	3452 KB	Output is correct
37	Correct	3 ms	3404 KB	Output is correct
38	Correct	2 ms	3404 KB	Output is correct
39	Correct	64 ms	16528 KB	Output is correct
40	Correct	61 ms	15804 KB	Output is correct
41	Correct	44 ms	14976 KB	Output is correct
42	Correct	10 ms	5324 KB	Output is correct
43	Correct	2 ms	3404 KB	Output is correct
44	Correct	2 ms	3408 KB	Output is correct
45	Correct	2 ms	3404 KB	Output is correct
46	Correct	3 ms	3404 KB	Output is correct
47	Correct	3 ms	3404 KB	Output is correct
48	Correct	2 ms	3404 KB	Output is correct
49	Correct	2 ms	3404 KB	Output is correct
50	Correct	3 ms	3404 KB	Output is correct
51	Correct	2 ms	3404 KB	Output is correct
52	Correct	3 ms	3448 KB	Output is correct
53	Correct	2 ms	3404 KB	Output is correct
54	Correct	2 ms	3404 KB	Output is correct
55	Correct	2 ms	3404 KB	Output is correct
56	Correct	2 ms	3404 KB	Output is correct
57	Correct	72 ms	9912 KB	Output is correct
58	Correct	73 ms	9928 KB	Output is correct
59	Correct	70 ms	9900 KB	Output is correct
60	Correct	74 ms	9796 KB	Output is correct
61	Correct	70 ms	9924 KB	Output is correct
62	Correct	67 ms	9960 KB	Output is correct
63	Correct	67 ms	9540 KB	Output is correct
64	Correct	65 ms	9536 KB	Output is correct
65	Correct	69 ms	9812 KB	Output is correct
66	Correct	70 ms	9912 KB	Output is correct
67	Correct	71 ms	9908 KB	Output is correct
68	Correct	67 ms	9928 KB	Output is correct
69	Correct	72 ms	10180 KB	Output is correct
70	Correct	73 ms	10164 KB	Output is correct
71	Correct	2 ms	3404 KB	Output is correct
72	Correct	4 ms	3532 KB	Output is correct
73	Correct	4 ms	3660 KB	Output is correct
74	Correct	4 ms	3532 KB	Output is correct
75	Correct	4 ms	3532 KB	Output is correct
76	Correct	4 ms	3664 KB	Output is correct
77	Correct	4 ms	3532 KB	Output is correct
78	Correct	4 ms	3600 KB	Output is correct
79	Correct	4 ms	3584 KB	Output is correct
80	Correct	71 ms	9884 KB	Output is correct
81	Correct	67 ms	9796 KB	Output is correct
82	Correct	70 ms	9852 KB	Output is correct
83	Correct	69 ms	9988 KB	Output is correct
84	Correct	4 ms	3532 KB	Output is correct
85	Correct	3 ms	3536 KB	Output is correct
86	Correct	4 ms	3532 KB	Output is correct
87	Correct	4 ms	3660 KB	Output is correct
88	Correct	4 ms	3532 KB	Output is correct
89	Correct	4 ms	3596 KB	Output is correct
90	Correct	4 ms	3532 KB	Output is correct
91	Correct	4 ms	3532 KB	Output is correct
92	Correct	4 ms	3636 KB	Output is correct
93	Correct	4 ms	3532 KB	Output is correct
94	Correct	2 ms	3404 KB	Output is correct
95	Correct	2 ms	3404 KB	Output is correct
96	Correct	2 ms	3404 KB	Output is correct
97	Correct	2 ms	3404 KB	Output is correct
98	Correct	2 ms	3392 KB	Output is correct
99	Correct	2 ms	3404 KB	Output is correct
100	Correct	3 ms	3404 KB	Output is correct
101	Correct	2 ms	3404 KB	Output is correct
102	Correct	3 ms	3404 KB	Output is correct
103	Correct	3 ms	3404 KB	Output is correct
104	Correct	10 ms	4428 KB	Output is correct
105	Correct	16 ms	6252 KB	Output is correct
106	Correct	2 ms	3404 KB	Output is correct
107	Correct	29 ms	8664 KB	Output is correct
108	Correct	41 ms	12288 KB	Output is correct
109	Correct	3 ms	3532 KB	Output is correct
110	Correct	54 ms	12712 KB	Output is correct
111	Correct	66 ms	14404 KB	Output is correct
112	Correct	3 ms	3532 KB	Output is correct
113	Correct	99 ms	24768 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	26 ms	6480 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	3 ms	3456 KB	Output is correct
3	Correct	3 ms	3460 KB	Output is correct
4	Correct	2 ms	3404 KB	Output is correct
5	Correct	2 ms	3404 KB	Output is correct
6	Correct	3 ms	3404 KB	Output is correct
7	Correct	2 ms	3404 KB	Output is correct
8	Correct	3 ms	3404 KB	Output is correct
9	Correct	2 ms	3404 KB	Output is correct
10	Correct	2 ms	3404 KB	Output is correct
11	Correct	2 ms	3404 KB	Output is correct
12	Correct	3 ms	3404 KB	Output is correct
13	Correct	3 ms	3404 KB	Output is correct
14	Correct	3 ms	3448 KB	Output is correct
15	Correct	2 ms	3404 KB	Output is correct
16	Correct	2 ms	3404 KB	Output is correct
17	Correct	2 ms	3420 KB	Output is correct
18	Correct	2 ms	3404 KB	Output is correct
19	Correct	2 ms	3404 KB	Output is correct
20	Correct	3 ms	3452 KB	Output is correct
21	Correct	2 ms	3444 KB	Output is correct
22	Correct	3 ms	3452 KB	Output is correct
23	Correct	2 ms	3452 KB	Output is correct
24	Correct	3 ms	3404 KB	Output is correct
25	Correct	2 ms	3404 KB	Output is correct
26	Correct	3 ms	3404 KB	Output is correct
27	Correct	3 ms	3472 KB	Output is correct
28	Correct	4 ms	3504 KB	Output is correct
29	Incorrect	3 ms	3404 KB	Output isn't correct
30	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	65 ms	16496 KB	Output is correct
2	Correct	62 ms	15808 KB	Output is correct
3	Correct	44 ms	14972 KB	Output is correct
4	Correct	10 ms	5328 KB	Output is correct
5	Correct	8 ms	4428 KB	Output is correct
6	Correct	15 ms	6348 KB	Output is correct
7	Correct	2 ms	3404 KB	Output is correct
8	Correct	30 ms	8644 KB	Output is correct
9	Correct	39 ms	12340 KB	Output is correct
10	Correct	3 ms	3532 KB	Output is correct
11	Correct	60 ms	12800 KB	Output is correct
12	Correct	65 ms	14404 KB	Output is correct
13	Correct	3 ms	3468 KB	Output is correct
14	Correct	2 ms	3404 KB	Output is correct
15	Correct	3 ms	3456 KB	Output is correct
16	Correct	3 ms	3460 KB	Output is correct
17	Correct	2 ms	3404 KB	Output is correct
18	Correct	2 ms	3404 KB	Output is correct
19	Correct	3 ms	3404 KB	Output is correct
20	Correct	2 ms	3404 KB	Output is correct
21	Correct	3 ms	3404 KB	Output is correct
22	Correct	2 ms	3404 KB	Output is correct
23	Correct	2 ms	3404 KB	Output is correct
24	Correct	2 ms	3404 KB	Output is correct
25	Correct	3 ms	3404 KB	Output is correct
26	Correct	3 ms	3404 KB	Output is correct
27	Correct	3 ms	3448 KB	Output is correct
28	Correct	2 ms	3404 KB	Output is correct
29	Correct	2 ms	3404 KB	Output is correct
30	Correct	2 ms	3420 KB	Output is correct
31	Correct	2 ms	3404 KB	Output is correct
32	Correct	2 ms	3404 KB	Output is correct
33	Correct	3 ms	3452 KB	Output is correct
34	Correct	2 ms	3444 KB	Output is correct
35	Correct	3 ms	3452 KB	Output is correct
36	Correct	2 ms	3452 KB	Output is correct
37	Correct	3 ms	3404 KB	Output is correct
38	Correct	2 ms	3404 KB	Output is correct
39	Correct	64 ms	16528 KB	Output is correct
40	Correct	61 ms	15804 KB	Output is correct
41	Correct	44 ms	14976 KB	Output is correct
42	Correct	10 ms	5324 KB	Output is correct
43	Correct	2 ms	3404 KB	Output is correct
44	Correct	2 ms	3408 KB	Output is correct
45	Correct	2 ms	3404 KB	Output is correct
46	Correct	3 ms	3404 KB	Output is correct
47	Correct	3 ms	3404 KB	Output is correct
48	Correct	2 ms	3404 KB	Output is correct
49	Correct	2 ms	3404 KB	Output is correct
50	Correct	3 ms	3404 KB	Output is correct
51	Correct	2 ms	3404 KB	Output is correct
52	Correct	3 ms	3448 KB	Output is correct
53	Correct	2 ms	3404 KB	Output is correct
54	Correct	2 ms	3404 KB	Output is correct
55	Correct	2 ms	3404 KB	Output is correct
56	Correct	2 ms	3404 KB	Output is correct
57	Correct	72 ms	9912 KB	Output is correct
58	Correct	73 ms	9928 KB	Output is correct
59	Correct	70 ms	9900 KB	Output is correct
60	Correct	74 ms	9796 KB	Output is correct
61	Correct	70 ms	9924 KB	Output is correct
62	Correct	67 ms	9960 KB	Output is correct
63	Correct	67 ms	9540 KB	Output is correct
64	Correct	65 ms	9536 KB	Output is correct
65	Correct	69 ms	9812 KB	Output is correct
66	Correct	70 ms	9912 KB	Output is correct
67	Correct	71 ms	9908 KB	Output is correct
68	Correct	67 ms	9928 KB	Output is correct
69	Correct	72 ms	10180 KB	Output is correct
70	Correct	73 ms	10164 KB	Output is correct
71	Correct	2 ms	3404 KB	Output is correct
72	Correct	4 ms	3532 KB	Output is correct
73	Correct	4 ms	3660 KB	Output is correct
74	Correct	4 ms	3532 KB	Output is correct
75	Correct	4 ms	3532 KB	Output is correct
76	Correct	4 ms	3664 KB	Output is correct
77	Correct	4 ms	3532 KB	Output is correct
78	Correct	4 ms	3600 KB	Output is correct
79	Correct	4 ms	3584 KB	Output is correct
80	Correct	71 ms	9884 KB	Output is correct
81	Correct	67 ms	9796 KB	Output is correct
82	Correct	70 ms	9852 KB	Output is correct
83	Correct	69 ms	9988 KB	Output is correct
84	Correct	4 ms	3532 KB	Output is correct
85	Correct	3 ms	3536 KB	Output is correct
86	Correct	4 ms	3532 KB	Output is correct
87	Correct	4 ms	3660 KB	Output is correct
88	Correct	4 ms	3532 KB	Output is correct
89	Correct	4 ms	3596 KB	Output is correct
90	Correct	4 ms	3532 KB	Output is correct
91	Correct	4 ms	3532 KB	Output is correct
92	Correct	4 ms	3636 KB	Output is correct
93	Correct	4 ms	3532 KB	Output is correct
94	Correct	2 ms	3404 KB	Output is correct
95	Correct	2 ms	3404 KB	Output is correct
96	Correct	2 ms	3404 KB	Output is correct
97	Correct	2 ms	3404 KB	Output is correct
98	Correct	2 ms	3392 KB	Output is correct
99	Correct	2 ms	3404 KB	Output is correct
100	Correct	3 ms	3404 KB	Output is correct
101	Correct	2 ms	3404 KB	Output is correct
102	Correct	3 ms	3404 KB	Output is correct
103	Correct	3 ms	3404 KB	Output is correct
104	Correct	10 ms	4428 KB	Output is correct
105	Correct	16 ms	6252 KB	Output is correct
106	Correct	2 ms	3404 KB	Output is correct
107	Correct	29 ms	8664 KB	Output is correct
108	Correct	41 ms	12288 KB	Output is correct
109	Correct	3 ms	3532 KB	Output is correct
110	Correct	54 ms	12712 KB	Output is correct
111	Correct	66 ms	14404 KB	Output is correct
112	Correct	3 ms	3532 KB	Output is correct
113	Correct	99 ms	24768 KB	Output is correct
114	Incorrect	26 ms	6480 KB	Output isn't correct
115	Halted	0 ms	0 KB	-

답안 #399041

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 10.0 / 10.0

Subtask #3 23.0 / 23.0

Subtask #4 0 / 18.0

Subtask #5 0 / 12.0

Subtask #6 0 / 23.0

Subtask #1
14.0 / 14.0

Subtask #2
10.0 / 10.0

Subtask #3
23.0 / 23.0

Subtask #4
0 / 18.0

Subtask #5
0 / 12.0

Subtask #6
0 / 23.0