Submission #134836

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
134836	2019-07-23T09:52:48 Z	mirbek01	Dreaming (IOI13_dreaming)	C++11	47 / 100	142 ms	25204 KB

dreaming

#include "dreaming.h"
//#include "grader.cpp"
#include <bits/stdc++.h>

using namespace std;

const int N = 1e5 + 3;

int u[N], dw[N], up[N], ans, mx;
vector < pair <int, int> >  g[N];

void dfs(int v, int pr){
	u[v] = 1;
	int mx1 = 0, mx2 = 0;
	for(int i = 0; i < (int)g[v].size(); i ++){
		int to = g[v][i].first, len = g[v][i].second;
		if(to == pr)
			continue;
		dfs(to, v);
		dw[v] = max(dw[v], dw[to] + len); 
		if(mx1 < dw[to] + len)
			mx2 = mx1, mx1 = dw[to] + len;
		else 
			mx2 = max(mx2, dw[to] + len);
	} 
	ans = max(ans, mx1 + mx2);
}
	
void dfs1(int v, int pr){
	mx = min(mx, max(up[v], dw[v]));
	vector < pair <int, int> > vec;
	for(int i = 0; i < (int)g[v].size(); i ++){
		int to = g[v][i].first, len = g[v][i].second;
		if(to == pr) continue;
		vec.push_back( {dw[to] + len, to} );
	}
	sort(vec.rbegin(), vec.rend());
	for(int i = 0; i < (int)g[v].size(); i ++){
		int to = g[v][i].first, len = g[v][i].second;
		if(to == pr)
			continue;
		up[to] = max(up[to], up[v] + len);
		if(to == vec[0].second){
			if((int)vec.size() > 1)
				up[to] = max(up[to], vec[1].first + len);
		} else {
			up[to] = max(up[to], vec[0].first + len);
		} 
		dfs1(to, v);
	}
}

int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
	for(int i = 0; i < M; i ++){
		int u = A[i], v = B[i], w = T[i];
		g[u].push_back( {v, w} );
		g[v].push_back( {u, w} );
	}

	vector <int> vec;
	
	for(int i = 0; i < N; i ++){
		if(!u[i]){
			mx = 2e9;
			dfs(i, -1);
			dfs1(i, -1);
			vec.push_back(mx);
		}
	}
	
	sort(vec.rbegin(), vec.rend());
	
	if((int)vec.size() > 1)
		ans = max(ans, vec[0] + vec[1] + L);
	if((int)vec.size() > 2)
		ans = max(ans, vec[1] + vec[1] + L + L);
	return ans;
}

Subtask #1
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	80 ms	17016 KB	Output is correct
2	Correct	77 ms	16248 KB	Output is correct
3	Correct	58 ms	14960 KB	Output is correct
4	Correct	14 ms	4728 KB	Output is correct
5	Correct	12 ms	3832 KB	Output is correct
6	Correct	21 ms	5880 KB	Output is correct
7	Correct	4 ms	2808 KB	Output is correct
8	Correct	39 ms	8568 KB	Output is correct
9	Correct	50 ms	12152 KB	Output is correct
10	Correct	4 ms	2808 KB	Output is correct
11	Correct	73 ms	12920 KB	Output is correct
12	Correct	86 ms	14712 KB	Output is correct
13	Correct	5 ms	2808 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	80 ms	17016 KB	Output is correct
2	Correct	77 ms	16248 KB	Output is correct
3	Correct	58 ms	14960 KB	Output is correct
4	Correct	14 ms	4728 KB	Output is correct
5	Correct	12 ms	3832 KB	Output is correct
6	Correct	21 ms	5880 KB	Output is correct
7	Correct	4 ms	2808 KB	Output is correct
8	Correct	39 ms	8568 KB	Output is correct
9	Correct	50 ms	12152 KB	Output is correct
10	Correct	4 ms	2808 KB	Output is correct
11	Correct	73 ms	12920 KB	Output is correct
12	Correct	86 ms	14712 KB	Output is correct
13	Correct	5 ms	2808 KB	Output is correct
14	Correct	4 ms	2680 KB	Output is correct
15	Correct	4 ms	2684 KB	Output is correct
16	Correct	4 ms	2680 KB	Output is correct
17	Correct	4 ms	2692 KB	Output is correct
18	Correct	4 ms	2680 KB	Output is correct
19	Correct	4 ms	2680 KB	Output is correct
20	Correct	4 ms	2680 KB	Output is correct
21	Correct	4 ms	2680 KB	Output is correct
22	Correct	4 ms	2680 KB	Output is correct
23	Correct	4 ms	2680 KB	Output is correct
24	Correct	4 ms	2680 KB	Output is correct
25	Correct	4 ms	2680 KB	Output is correct
26	Correct	4 ms	2680 KB	Output is correct
27	Correct	4 ms	2672 KB	Output is correct
28	Correct	4 ms	2680 KB	Output is correct
29	Correct	4 ms	2684 KB	Output is correct
30	Correct	4 ms	2680 KB	Output is correct
31	Correct	4 ms	2680 KB	Output is correct
32	Correct	4 ms	2680 KB	Output is correct
33	Correct	4 ms	2680 KB	Output is correct
34	Correct	4 ms	2680 KB	Output is correct
35	Correct	4 ms	2680 KB	Output is correct
36	Correct	4 ms	2680 KB	Output is correct
37	Correct	4 ms	2684 KB	Output is correct
38	Correct	4 ms	2680 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	80 ms	17016 KB	Output is correct
2	Correct	77 ms	16248 KB	Output is correct
3	Correct	58 ms	14960 KB	Output is correct
4	Correct	14 ms	4728 KB	Output is correct
5	Correct	12 ms	3832 KB	Output is correct
6	Correct	21 ms	5880 KB	Output is correct
7	Correct	4 ms	2808 KB	Output is correct
8	Correct	39 ms	8568 KB	Output is correct
9	Correct	50 ms	12152 KB	Output is correct
10	Correct	4 ms	2808 KB	Output is correct
11	Correct	73 ms	12920 KB	Output is correct
12	Correct	86 ms	14712 KB	Output is correct
13	Correct	5 ms	2808 KB	Output is correct
14	Correct	4 ms	2680 KB	Output is correct
15	Correct	4 ms	2684 KB	Output is correct
16	Correct	4 ms	2680 KB	Output is correct
17	Correct	4 ms	2692 KB	Output is correct
18	Correct	4 ms	2680 KB	Output is correct
19	Correct	4 ms	2680 KB	Output is correct
20	Correct	4 ms	2680 KB	Output is correct
21	Correct	4 ms	2680 KB	Output is correct
22	Correct	4 ms	2680 KB	Output is correct
23	Correct	4 ms	2680 KB	Output is correct
24	Correct	4 ms	2680 KB	Output is correct
25	Correct	4 ms	2680 KB	Output is correct
26	Correct	4 ms	2680 KB	Output is correct
27	Correct	4 ms	2672 KB	Output is correct
28	Correct	4 ms	2680 KB	Output is correct
29	Correct	4 ms	2684 KB	Output is correct
30	Correct	4 ms	2680 KB	Output is correct
31	Correct	4 ms	2680 KB	Output is correct
32	Correct	4 ms	2680 KB	Output is correct
33	Correct	4 ms	2680 KB	Output is correct
34	Correct	4 ms	2680 KB	Output is correct
35	Correct	4 ms	2680 KB	Output is correct
36	Correct	4 ms	2680 KB	Output is correct
37	Correct	4 ms	2684 KB	Output is correct
38	Correct	4 ms	2680 KB	Output is correct
39	Correct	84 ms	16888 KB	Output is correct
40	Correct	83 ms	16240 KB	Output is correct
41	Correct	56 ms	14940 KB	Output is correct
42	Correct	14 ms	4728 KB	Output is correct
43	Correct	4 ms	2680 KB	Output is correct
44	Correct	4 ms	2680 KB	Output is correct
45	Correct	5 ms	2680 KB	Output is correct
46	Correct	4 ms	2680 KB	Output is correct
47	Correct	4 ms	2680 KB	Output is correct
48	Correct	4 ms	2760 KB	Output is correct
49	Correct	4 ms	2680 KB	Output is correct
50	Correct	4 ms	2728 KB	Output is correct
51	Correct	4 ms	2680 KB	Output is correct
52	Correct	4 ms	2680 KB	Output is correct
53	Correct	4 ms	2680 KB	Output is correct
54	Correct	4 ms	2680 KB	Output is correct
55	Correct	4 ms	2680 KB	Output is correct
56	Correct	4 ms	2680 KB	Output is correct
57	Correct	104 ms	10464 KB	Output is correct
58	Correct	93 ms	10488 KB	Output is correct
59	Correct	95 ms	10488 KB	Output is correct
60	Correct	97 ms	10360 KB	Output is correct
61	Correct	100 ms	10360 KB	Output is correct
62	Correct	98 ms	10360 KB	Output is correct
63	Correct	103 ms	10104 KB	Output is correct
64	Correct	101 ms	10204 KB	Output is correct
65	Correct	105 ms	10360 KB	Output is correct
66	Correct	87 ms	10360 KB	Output is correct
67	Correct	97 ms	10360 KB	Output is correct
68	Correct	88 ms	10360 KB	Output is correct
69	Correct	101 ms	10784 KB	Output is correct
70	Correct	107 ms	10608 KB	Output is correct
71	Correct	4 ms	2808 KB	Output is correct
72	Correct	6 ms	2936 KB	Output is correct
73	Correct	6 ms	2936 KB	Output is correct
74	Correct	6 ms	2936 KB	Output is correct
75	Correct	6 ms	2936 KB	Output is correct
76	Correct	6 ms	2936 KB	Output is correct
77	Correct	6 ms	2936 KB	Output is correct
78	Correct	6 ms	2936 KB	Output is correct
79	Correct	6 ms	2936 KB	Output is correct
80	Correct	125 ms	10492 KB	Output is correct
81	Correct	87 ms	10360 KB	Output is correct
82	Correct	118 ms	10488 KB	Output is correct
83	Correct	95 ms	10360 KB	Output is correct
84	Correct	5 ms	2936 KB	Output is correct
85	Correct	5 ms	2940 KB	Output is correct
86	Correct	6 ms	2808 KB	Output is correct
87	Correct	6 ms	2936 KB	Output is correct
88	Correct	6 ms	2936 KB	Output is correct
89	Correct	6 ms	2936 KB	Output is correct
90	Correct	7 ms	2936 KB	Output is correct
91	Correct	6 ms	2936 KB	Output is correct
92	Correct	6 ms	2936 KB	Output is correct
93	Correct	6 ms	2936 KB	Output is correct
94	Correct	4 ms	2680 KB	Output is correct
95	Correct	4 ms	2680 KB	Output is correct
96	Correct	4 ms	2756 KB	Output is correct
97	Correct	4 ms	2680 KB	Output is correct
98	Correct	4 ms	2680 KB	Output is correct
99	Correct	4 ms	2680 KB	Output is correct
100	Correct	4 ms	2680 KB	Output is correct
101	Correct	4 ms	2680 KB	Output is correct
102	Correct	4 ms	2680 KB	Output is correct
103	Correct	4 ms	2680 KB	Output is correct
104	Correct	12 ms	3832 KB	Output is correct
105	Correct	22 ms	5880 KB	Output is correct
106	Correct	4 ms	2808 KB	Output is correct
107	Correct	40 ms	8440 KB	Output is correct
108	Correct	52 ms	12280 KB	Output is correct
109	Correct	5 ms	2808 KB	Output is correct
110	Correct	73 ms	12792 KB	Output is correct
111	Correct	91 ms	14740 KB	Output is correct
112	Correct	5 ms	2808 KB	Output is correct
113	Correct	142 ms	25204 KB	Output is correct

Subtask #4
0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	36 ms	6904 KB	Output is correct
2	Incorrect	34 ms	6904 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	80 ms	17016 KB	Output is correct
2	Correct	77 ms	16248 KB	Output is correct
3	Correct	58 ms	14960 KB	Output is correct
4	Correct	14 ms	4728 KB	Output is correct
5	Correct	12 ms	3832 KB	Output is correct
6	Correct	21 ms	5880 KB	Output is correct
7	Correct	4 ms	2808 KB	Output is correct
8	Correct	39 ms	8568 KB	Output is correct
9	Correct	50 ms	12152 KB	Output is correct
10	Correct	4 ms	2808 KB	Output is correct
11	Correct	73 ms	12920 KB	Output is correct
12	Correct	86 ms	14712 KB	Output is correct
13	Correct	5 ms	2808 KB	Output is correct
14	Correct	5 ms	2808 KB	Output is correct
15	Correct	5 ms	2808 KB	Output is correct
16	Correct	6 ms	2936 KB	Output is correct
17	Incorrect	5 ms	2808 KB	Output isn't correct
18	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	80 ms	17016 KB	Output is correct
2	Correct	77 ms	16248 KB	Output is correct
3	Correct	58 ms	14960 KB	Output is correct
4	Correct	14 ms	4728 KB	Output is correct
5	Correct	12 ms	3832 KB	Output is correct
6	Correct	21 ms	5880 KB	Output is correct
7	Correct	4 ms	2808 KB	Output is correct
8	Correct	39 ms	8568 KB	Output is correct
9	Correct	50 ms	12152 KB	Output is correct
10	Correct	4 ms	2808 KB	Output is correct
11	Correct	73 ms	12920 KB	Output is correct
12	Correct	86 ms	14712 KB	Output is correct
13	Correct	5 ms	2808 KB	Output is correct
14	Correct	4 ms	2680 KB	Output is correct
15	Correct	4 ms	2684 KB	Output is correct
16	Correct	4 ms	2680 KB	Output is correct
17	Correct	4 ms	2692 KB	Output is correct
18	Correct	4 ms	2680 KB	Output is correct
19	Correct	4 ms	2680 KB	Output is correct
20	Correct	4 ms	2680 KB	Output is correct
21	Correct	4 ms	2680 KB	Output is correct
22	Correct	4 ms	2680 KB	Output is correct
23	Correct	4 ms	2680 KB	Output is correct
24	Correct	4 ms	2680 KB	Output is correct
25	Correct	4 ms	2680 KB	Output is correct
26	Correct	4 ms	2680 KB	Output is correct
27	Correct	4 ms	2672 KB	Output is correct
28	Correct	4 ms	2680 KB	Output is correct
29	Correct	4 ms	2684 KB	Output is correct
30	Correct	4 ms	2680 KB	Output is correct
31	Correct	4 ms	2680 KB	Output is correct
32	Correct	4 ms	2680 KB	Output is correct
33	Correct	4 ms	2680 KB	Output is correct
34	Correct	4 ms	2680 KB	Output is correct
35	Correct	4 ms	2680 KB	Output is correct
36	Correct	4 ms	2680 KB	Output is correct
37	Correct	4 ms	2684 KB	Output is correct
38	Correct	4 ms	2680 KB	Output is correct
39	Correct	84 ms	16888 KB	Output is correct
40	Correct	83 ms	16240 KB	Output is correct
41	Correct	56 ms	14940 KB	Output is correct
42	Correct	14 ms	4728 KB	Output is correct
43	Correct	4 ms	2680 KB	Output is correct
44	Correct	4 ms	2680 KB	Output is correct
45	Correct	5 ms	2680 KB	Output is correct
46	Correct	4 ms	2680 KB	Output is correct
47	Correct	4 ms	2680 KB	Output is correct
48	Correct	4 ms	2760 KB	Output is correct
49	Correct	4 ms	2680 KB	Output is correct
50	Correct	4 ms	2728 KB	Output is correct
51	Correct	4 ms	2680 KB	Output is correct
52	Correct	4 ms	2680 KB	Output is correct
53	Correct	4 ms	2680 KB	Output is correct
54	Correct	4 ms	2680 KB	Output is correct
55	Correct	4 ms	2680 KB	Output is correct
56	Correct	4 ms	2680 KB	Output is correct
57	Correct	104 ms	10464 KB	Output is correct
58	Correct	93 ms	10488 KB	Output is correct
59	Correct	95 ms	10488 KB	Output is correct
60	Correct	97 ms	10360 KB	Output is correct
61	Correct	100 ms	10360 KB	Output is correct
62	Correct	98 ms	10360 KB	Output is correct
63	Correct	103 ms	10104 KB	Output is correct
64	Correct	101 ms	10204 KB	Output is correct
65	Correct	105 ms	10360 KB	Output is correct
66	Correct	87 ms	10360 KB	Output is correct
67	Correct	97 ms	10360 KB	Output is correct
68	Correct	88 ms	10360 KB	Output is correct
69	Correct	101 ms	10784 KB	Output is correct
70	Correct	107 ms	10608 KB	Output is correct
71	Correct	4 ms	2808 KB	Output is correct
72	Correct	6 ms	2936 KB	Output is correct
73	Correct	6 ms	2936 KB	Output is correct
74	Correct	6 ms	2936 KB	Output is correct
75	Correct	6 ms	2936 KB	Output is correct
76	Correct	6 ms	2936 KB	Output is correct
77	Correct	6 ms	2936 KB	Output is correct
78	Correct	6 ms	2936 KB	Output is correct
79	Correct	6 ms	2936 KB	Output is correct
80	Correct	125 ms	10492 KB	Output is correct
81	Correct	87 ms	10360 KB	Output is correct
82	Correct	118 ms	10488 KB	Output is correct
83	Correct	95 ms	10360 KB	Output is correct
84	Correct	5 ms	2936 KB	Output is correct
85	Correct	5 ms	2940 KB	Output is correct
86	Correct	6 ms	2808 KB	Output is correct
87	Correct	6 ms	2936 KB	Output is correct
88	Correct	6 ms	2936 KB	Output is correct
89	Correct	6 ms	2936 KB	Output is correct
90	Correct	7 ms	2936 KB	Output is correct
91	Correct	6 ms	2936 KB	Output is correct
92	Correct	6 ms	2936 KB	Output is correct
93	Correct	6 ms	2936 KB	Output is correct
94	Correct	4 ms	2680 KB	Output is correct
95	Correct	4 ms	2680 KB	Output is correct
96	Correct	4 ms	2756 KB	Output is correct
97	Correct	4 ms	2680 KB	Output is correct
98	Correct	4 ms	2680 KB	Output is correct
99	Correct	4 ms	2680 KB	Output is correct
100	Correct	4 ms	2680 KB	Output is correct
101	Correct	4 ms	2680 KB	Output is correct
102	Correct	4 ms	2680 KB	Output is correct
103	Correct	4 ms	2680 KB	Output is correct
104	Correct	12 ms	3832 KB	Output is correct
105	Correct	22 ms	5880 KB	Output is correct
106	Correct	4 ms	2808 KB	Output is correct
107	Correct	40 ms	8440 KB	Output is correct
108	Correct	52 ms	12280 KB	Output is correct
109	Correct	5 ms	2808 KB	Output is correct
110	Correct	73 ms	12792 KB	Output is correct
111	Correct	91 ms	14740 KB	Output is correct
112	Correct	5 ms	2808 KB	Output is correct
113	Correct	142 ms	25204 KB	Output is correct
114	Correct	36 ms	6904 KB	Output is correct
115	Incorrect	34 ms	6904 KB	Output isn't correct
116	Halted	0 ms	0 KB	-

Submission #134836

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