답안 #198680

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
198680	2020-01-27T09:33:34 Z	arnold518	꿈 (IOI13_dreaming)	C++14	47 / 100	147 ms	17780 KB

dreaming

#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e5;
const int INF = 987654321;

int N, M, L;
vector<pii> adj[MAXN+10];

bool vis[MAXN+10];
int DA[MAXN+10], DB[MAXN+10], ans;

void dfs(int now, int bef, int *dist, int dep, vector<int> &V)
{
	dist[now]=dep; vis[now]=true; V.push_back(now);
	for(auto nxt : adj[now])
	{
		if(nxt.first==bef) continue;
		dfs(nxt.first, now, dist, dep+nxt.second, V);
	}
}

int travelTime(int _N, int _M, int _L, int _A[], int _B[], int _T[])
{
	int i, j;
	N=_N; M=_M; L=_L;
	for(i=0; i<M; i++)
	{
		int u=_A[i]+1, v=_B[i]+1, w=_T[i];
		adj[u].push_back({v, w});
		adj[v].push_back({u, w});
	}

	vector<int> S;
	for(i=1; i<=N; i++)
	{
		if(vis[i]) continue;
		int u, v; vector<int> V;

		V.clear(); dfs(i, i, DA, 0, V);
		u=i; for(auto it : V) if(DA[u]<DA[it]) u=it;
		
		V.clear(); dfs(u, u, DA, 0, V);
		v=u; for(auto it : V) if(DA[v]<DA[it]) v=it;

		V.clear(); dfs(v, v, DB, 0, V);

		ans=max(ans, DB[u]);

		int now=INF;
		for(auto it : V) now=min(now, max(DA[it], DB[it]));
		S.push_back(now);
	}
	ans=max(ans, S[0]+S[1]+L);
	return ans;
}

Compilation message

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:30:9: warning: unused variable 'j' [-Wunused-variable]
  int i, j;
         ^

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	76 ms	15092 KB	Output is correct
2	Correct	80 ms	14964 KB	Output is correct
3	Correct	53 ms	10868 KB	Output is correct
4	Correct	21 ms	4472 KB	Output is correct
5	Correct	13 ms	3576 KB	Output is correct
6	Correct	22 ms	5496 KB	Output is correct
7	Correct	7 ms	2684 KB	Output is correct
8	Correct	36 ms	6904 KB	Output is correct
9	Correct	48 ms	8696 KB	Output is correct
10	Correct	7 ms	2808 KB	Output is correct
11	Correct	89 ms	10360 KB	Output is correct
12	Correct	123 ms	12656 KB	Output is correct
13	Correct	7 ms	2808 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	76 ms	15092 KB	Output is correct
2	Correct	80 ms	14964 KB	Output is correct
3	Correct	53 ms	10868 KB	Output is correct
4	Correct	21 ms	4472 KB	Output is correct
5	Correct	13 ms	3576 KB	Output is correct
6	Correct	22 ms	5496 KB	Output is correct
7	Correct	7 ms	2684 KB	Output is correct
8	Correct	36 ms	6904 KB	Output is correct
9	Correct	48 ms	8696 KB	Output is correct
10	Correct	7 ms	2808 KB	Output is correct
11	Correct	89 ms	10360 KB	Output is correct
12	Correct	123 ms	12656 KB	Output is correct
13	Correct	7 ms	2808 KB	Output is correct
14	Correct	7 ms	2680 KB	Output is correct
15	Correct	7 ms	2680 KB	Output is correct
16	Correct	7 ms	2684 KB	Output is correct
17	Correct	7 ms	2680 KB	Output is correct
18	Correct	7 ms	2680 KB	Output is correct
19	Correct	7 ms	2680 KB	Output is correct
20	Correct	7 ms	2808 KB	Output is correct
21	Correct	8 ms	2684 KB	Output is correct
22	Correct	7 ms	2808 KB	Output is correct
23	Correct	7 ms	2680 KB	Output is correct
24	Correct	7 ms	2808 KB	Output is correct
25	Correct	7 ms	2680 KB	Output is correct
26	Correct	7 ms	2680 KB	Output is correct
27	Correct	7 ms	2680 KB	Output is correct
28	Correct	7 ms	2680 KB	Output is correct
29	Correct	7 ms	2680 KB	Output is correct
30	Correct	7 ms	2680 KB	Output is correct
31	Correct	7 ms	2680 KB	Output is correct
32	Correct	7 ms	2680 KB	Output is correct
33	Correct	6 ms	2680 KB	Output is correct
34	Correct	7 ms	2680 KB	Output is correct
35	Correct	7 ms	2680 KB	Output is correct
36	Correct	7 ms	2680 KB	Output is correct
37	Correct	6 ms	2680 KB	Output is correct
38	Correct	7 ms	2680 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	76 ms	15092 KB	Output is correct
2	Correct	80 ms	14964 KB	Output is correct
3	Correct	53 ms	10868 KB	Output is correct
4	Correct	21 ms	4472 KB	Output is correct
5	Correct	13 ms	3576 KB	Output is correct
6	Correct	22 ms	5496 KB	Output is correct
7	Correct	7 ms	2684 KB	Output is correct
8	Correct	36 ms	6904 KB	Output is correct
9	Correct	48 ms	8696 KB	Output is correct
10	Correct	7 ms	2808 KB	Output is correct
11	Correct	89 ms	10360 KB	Output is correct
12	Correct	123 ms	12656 KB	Output is correct
13	Correct	7 ms	2808 KB	Output is correct
14	Correct	7 ms	2680 KB	Output is correct
15	Correct	7 ms	2680 KB	Output is correct
16	Correct	7 ms	2684 KB	Output is correct
17	Correct	7 ms	2680 KB	Output is correct
18	Correct	7 ms	2680 KB	Output is correct
19	Correct	7 ms	2680 KB	Output is correct
20	Correct	7 ms	2808 KB	Output is correct
21	Correct	8 ms	2684 KB	Output is correct
22	Correct	7 ms	2808 KB	Output is correct
23	Correct	7 ms	2680 KB	Output is correct
24	Correct	7 ms	2808 KB	Output is correct
25	Correct	7 ms	2680 KB	Output is correct
26	Correct	7 ms	2680 KB	Output is correct
27	Correct	7 ms	2680 KB	Output is correct
28	Correct	7 ms	2680 KB	Output is correct
29	Correct	7 ms	2680 KB	Output is correct
30	Correct	7 ms	2680 KB	Output is correct
31	Correct	7 ms	2680 KB	Output is correct
32	Correct	7 ms	2680 KB	Output is correct
33	Correct	6 ms	2680 KB	Output is correct
34	Correct	7 ms	2680 KB	Output is correct
35	Correct	7 ms	2680 KB	Output is correct
36	Correct	7 ms	2680 KB	Output is correct
37	Correct	6 ms	2680 KB	Output is correct
38	Correct	7 ms	2680 KB	Output is correct
39	Correct	87 ms	16420 KB	Output is correct
40	Correct	82 ms	16244 KB	Output is correct
41	Correct	49 ms	11764 KB	Output is correct
42	Correct	15 ms	4728 KB	Output is correct
43	Correct	7 ms	2680 KB	Output is correct
44	Correct	7 ms	2680 KB	Output is correct
45	Correct	7 ms	2684 KB	Output is correct
46	Correct	7 ms	2684 KB	Output is correct
47	Correct	6 ms	2680 KB	Output is correct
48	Correct	7 ms	2680 KB	Output is correct
49	Correct	7 ms	2680 KB	Output is correct
50	Correct	7 ms	2680 KB	Output is correct
51	Correct	7 ms	2680 KB	Output is correct
52	Correct	7 ms	2680 KB	Output is correct
53	Correct	7 ms	2680 KB	Output is correct
54	Correct	7 ms	2680 KB	Output is correct
55	Correct	7 ms	2680 KB	Output is correct
56	Correct	7 ms	2680 KB	Output is correct
57	Correct	136 ms	10604 KB	Output is correct
58	Correct	138 ms	10640 KB	Output is correct
59	Correct	141 ms	10480 KB	Output is correct
60	Correct	140 ms	10552 KB	Output is correct
61	Correct	118 ms	10740 KB	Output is correct
62	Correct	122 ms	10720 KB	Output is correct
63	Correct	119 ms	10224 KB	Output is correct
64	Correct	120 ms	10228 KB	Output is correct
65	Correct	106 ms	10512 KB	Output is correct
66	Correct	117 ms	10612 KB	Output is correct
67	Correct	136 ms	10480 KB	Output is correct
68	Correct	127 ms	10480 KB	Output is correct
69	Correct	137 ms	10820 KB	Output is correct
70	Correct	142 ms	10836 KB	Output is correct
71	Correct	7 ms	2680 KB	Output is correct
72	Correct	8 ms	2936 KB	Output is correct
73	Correct	9 ms	2936 KB	Output is correct
74	Correct	9 ms	2936 KB	Output is correct
75	Correct	9 ms	2936 KB	Output is correct
76	Correct	9 ms	2936 KB	Output is correct
77	Correct	8 ms	2936 KB	Output is correct
78	Correct	9 ms	2936 KB	Output is correct
79	Correct	9 ms	2936 KB	Output is correct
80	Correct	135 ms	10608 KB	Output is correct
81	Correct	142 ms	10352 KB	Output is correct
82	Correct	132 ms	10612 KB	Output is correct
83	Correct	123 ms	10608 KB	Output is correct
84	Correct	9 ms	2808 KB	Output is correct
85	Correct	8 ms	2808 KB	Output is correct
86	Correct	9 ms	2808 KB	Output is correct
87	Correct	8 ms	2936 KB	Output is correct
88	Correct	8 ms	2936 KB	Output is correct
89	Correct	10 ms	2936 KB	Output is correct
90	Correct	9 ms	2936 KB	Output is correct
91	Correct	9 ms	2936 KB	Output is correct
92	Correct	9 ms	2936 KB	Output is correct
93	Correct	9 ms	2936 KB	Output is correct
94	Correct	6 ms	2680 KB	Output is correct
95	Correct	7 ms	2680 KB	Output is correct
96	Correct	7 ms	2680 KB	Output is correct
97	Correct	7 ms	2680 KB	Output is correct
98	Correct	7 ms	2680 KB	Output is correct
99	Correct	7 ms	2680 KB	Output is correct
100	Correct	9 ms	2680 KB	Output is correct
101	Correct	7 ms	2680 KB	Output is correct
102	Correct	7 ms	2684 KB	Output is correct
103	Correct	8 ms	2680 KB	Output is correct
104	Correct	13 ms	3704 KB	Output is correct
105	Correct	22 ms	5752 KB	Output is correct
106	Correct	8 ms	2684 KB	Output is correct
107	Correct	43 ms	7416 KB	Output is correct
108	Correct	47 ms	9464 KB	Output is correct
109	Correct	7 ms	2808 KB	Output is correct
110	Correct	94 ms	11640 KB	Output is correct
111	Correct	113 ms	13684 KB	Output is correct
112	Correct	8 ms	2936 KB	Output is correct
113	Correct	147 ms	17780 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	41 ms	6264 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	76 ms	15092 KB	Output is correct
2	Correct	80 ms	14964 KB	Output is correct
3	Correct	53 ms	10868 KB	Output is correct
4	Correct	21 ms	4472 KB	Output is correct
5	Correct	13 ms	3576 KB	Output is correct
6	Correct	22 ms	5496 KB	Output is correct
7	Correct	7 ms	2684 KB	Output is correct
8	Correct	36 ms	6904 KB	Output is correct
9	Correct	48 ms	8696 KB	Output is correct
10	Correct	7 ms	2808 KB	Output is correct
11	Correct	89 ms	10360 KB	Output is correct
12	Correct	123 ms	12656 KB	Output is correct
13	Correct	7 ms	2808 KB	Output is correct
14	Correct	7 ms	2808 KB	Output is correct
15	Correct	8 ms	2808 KB	Output is correct
16	Correct	9 ms	2808 KB	Output is correct
17	Incorrect	8 ms	2680 KB	Output isn't correct
18	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	76 ms	15092 KB	Output is correct
2	Correct	80 ms	14964 KB	Output is correct
3	Correct	53 ms	10868 KB	Output is correct
4	Correct	21 ms	4472 KB	Output is correct
5	Correct	13 ms	3576 KB	Output is correct
6	Correct	22 ms	5496 KB	Output is correct
7	Correct	7 ms	2684 KB	Output is correct
8	Correct	36 ms	6904 KB	Output is correct
9	Correct	48 ms	8696 KB	Output is correct
10	Correct	7 ms	2808 KB	Output is correct
11	Correct	89 ms	10360 KB	Output is correct
12	Correct	123 ms	12656 KB	Output is correct
13	Correct	7 ms	2808 KB	Output is correct
14	Correct	7 ms	2680 KB	Output is correct
15	Correct	7 ms	2680 KB	Output is correct
16	Correct	7 ms	2684 KB	Output is correct
17	Correct	7 ms	2680 KB	Output is correct
18	Correct	7 ms	2680 KB	Output is correct
19	Correct	7 ms	2680 KB	Output is correct
20	Correct	7 ms	2808 KB	Output is correct
21	Correct	8 ms	2684 KB	Output is correct
22	Correct	7 ms	2808 KB	Output is correct
23	Correct	7 ms	2680 KB	Output is correct
24	Correct	7 ms	2808 KB	Output is correct
25	Correct	7 ms	2680 KB	Output is correct
26	Correct	7 ms	2680 KB	Output is correct
27	Correct	7 ms	2680 KB	Output is correct
28	Correct	7 ms	2680 KB	Output is correct
29	Correct	7 ms	2680 KB	Output is correct
30	Correct	7 ms	2680 KB	Output is correct
31	Correct	7 ms	2680 KB	Output is correct
32	Correct	7 ms	2680 KB	Output is correct
33	Correct	6 ms	2680 KB	Output is correct
34	Correct	7 ms	2680 KB	Output is correct
35	Correct	7 ms	2680 KB	Output is correct
36	Correct	7 ms	2680 KB	Output is correct
37	Correct	6 ms	2680 KB	Output is correct
38	Correct	7 ms	2680 KB	Output is correct
39	Correct	87 ms	16420 KB	Output is correct
40	Correct	82 ms	16244 KB	Output is correct
41	Correct	49 ms	11764 KB	Output is correct
42	Correct	15 ms	4728 KB	Output is correct
43	Correct	7 ms	2680 KB	Output is correct
44	Correct	7 ms	2680 KB	Output is correct
45	Correct	7 ms	2684 KB	Output is correct
46	Correct	7 ms	2684 KB	Output is correct
47	Correct	6 ms	2680 KB	Output is correct
48	Correct	7 ms	2680 KB	Output is correct
49	Correct	7 ms	2680 KB	Output is correct
50	Correct	7 ms	2680 KB	Output is correct
51	Correct	7 ms	2680 KB	Output is correct
52	Correct	7 ms	2680 KB	Output is correct
53	Correct	7 ms	2680 KB	Output is correct
54	Correct	7 ms	2680 KB	Output is correct
55	Correct	7 ms	2680 KB	Output is correct
56	Correct	7 ms	2680 KB	Output is correct
57	Correct	136 ms	10604 KB	Output is correct
58	Correct	138 ms	10640 KB	Output is correct
59	Correct	141 ms	10480 KB	Output is correct
60	Correct	140 ms	10552 KB	Output is correct
61	Correct	118 ms	10740 KB	Output is correct
62	Correct	122 ms	10720 KB	Output is correct
63	Correct	119 ms	10224 KB	Output is correct
64	Correct	120 ms	10228 KB	Output is correct
65	Correct	106 ms	10512 KB	Output is correct
66	Correct	117 ms	10612 KB	Output is correct
67	Correct	136 ms	10480 KB	Output is correct
68	Correct	127 ms	10480 KB	Output is correct
69	Correct	137 ms	10820 KB	Output is correct
70	Correct	142 ms	10836 KB	Output is correct
71	Correct	7 ms	2680 KB	Output is correct
72	Correct	8 ms	2936 KB	Output is correct
73	Correct	9 ms	2936 KB	Output is correct
74	Correct	9 ms	2936 KB	Output is correct
75	Correct	9 ms	2936 KB	Output is correct
76	Correct	9 ms	2936 KB	Output is correct
77	Correct	8 ms	2936 KB	Output is correct
78	Correct	9 ms	2936 KB	Output is correct
79	Correct	9 ms	2936 KB	Output is correct
80	Correct	135 ms	10608 KB	Output is correct
81	Correct	142 ms	10352 KB	Output is correct
82	Correct	132 ms	10612 KB	Output is correct
83	Correct	123 ms	10608 KB	Output is correct
84	Correct	9 ms	2808 KB	Output is correct
85	Correct	8 ms	2808 KB	Output is correct
86	Correct	9 ms	2808 KB	Output is correct
87	Correct	8 ms	2936 KB	Output is correct
88	Correct	8 ms	2936 KB	Output is correct
89	Correct	10 ms	2936 KB	Output is correct
90	Correct	9 ms	2936 KB	Output is correct
91	Correct	9 ms	2936 KB	Output is correct
92	Correct	9 ms	2936 KB	Output is correct
93	Correct	9 ms	2936 KB	Output is correct
94	Correct	6 ms	2680 KB	Output is correct
95	Correct	7 ms	2680 KB	Output is correct
96	Correct	7 ms	2680 KB	Output is correct
97	Correct	7 ms	2680 KB	Output is correct
98	Correct	7 ms	2680 KB	Output is correct
99	Correct	7 ms	2680 KB	Output is correct
100	Correct	9 ms	2680 KB	Output is correct
101	Correct	7 ms	2680 KB	Output is correct
102	Correct	7 ms	2684 KB	Output is correct
103	Correct	8 ms	2680 KB	Output is correct
104	Correct	13 ms	3704 KB	Output is correct
105	Correct	22 ms	5752 KB	Output is correct
106	Correct	8 ms	2684 KB	Output is correct
107	Correct	43 ms	7416 KB	Output is correct
108	Correct	47 ms	9464 KB	Output is correct
109	Correct	7 ms	2808 KB	Output is correct
110	Correct	94 ms	11640 KB	Output is correct
111	Correct	113 ms	13684 KB	Output is correct
112	Correct	8 ms	2936 KB	Output is correct
113	Correct	147 ms	17780 KB	Output is correct
114	Incorrect	41 ms	6264 KB	Output isn't correct
115	Halted	0 ms	0 KB	-

답안 #198680

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