Submission #338768

# Submission time Handle Problem Language Result Execution time Memory
338768 2020-12-23T21:06:42 Z wind_reaper Dreaming (IOI13_dreaming) C++17
65 / 100
108 ms 15724 KB
#include "dreaming.h"
#include <bits/stdc++.h>
 
using namespace std; 

const int MAXN = 1e5 + 5, INF = INT_MAX;  	
pair<int, int> root, leaf[2]; 
vector<pair<int, int>> adj[MAXN];
int ddist[MAXN][2]; 
bool vis[MAXN]; 
int comps[MAXN]; 
void dfs(int node, int p, int dist, int idx){
	vis[node] = 1; 
	leaf[idx] = max(leaf[idx], {dist, node}); 
	ddist[node][idx] = dist; 

	root = min(root, {max(ddist[node][0], ddist[node][1]), node}); 

	for(auto& [v, wt] : adj[node]){
		if(v == p) 
			continue; 

		dfs(v, node, dist + wt, idx); 
	}
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
	for(int i = 0; i < M; i++){
		adj[A[i]].emplace_back(make_pair(B[i], T[i])); 
		adj[B[i]].emplace_back(make_pair(A[i], T[i])); 
	}
	int c = 0; 
	int max_d = 0; 
	for(int i = 0; i < N; i++){
		if(vis[i] == 1) 
			continue; 

		leaf[0] = leaf[1] = {INT_MIN, INT_MIN}; 

		dfs(i, i, 0, 0); 
		dfs(leaf[0].second, -1, 0, 1); 
		root = {INF, i}; 
		dfs(leaf[1].second, -1, 0, 0);
		max_d = max(max_d, leaf[0].first);
		comps[c++] = root.first; 
	}
	sort(comps, comps + c);
	if(c == 1)
		return comps[0]; 
	if(c == 2)
		return max(max_d, comps[0] + comps[1] + L); 
	return max({max_d, comps[c-1] + comps[c-2] + L, comps[c-2] + comps[c-3] + 2*L}); 
}
# Verdict Execution time Memory Grader output
1 Correct 60 ms 13164 KB Output is correct
2 Correct 61 ms 13036 KB Output is correct
3 Correct 35 ms 9580 KB Output is correct
4 Correct 8 ms 4204 KB Output is correct
5 Correct 8 ms 3564 KB Output is correct
6 Correct 14 ms 4972 KB Output is correct
7 Correct 2 ms 2668 KB Output is correct
8 Correct 29 ms 6892 KB Output is correct
9 Correct 39 ms 8428 KB Output is correct
10 Correct 2 ms 2796 KB Output is correct
11 Correct 60 ms 10476 KB Output is correct
12 Correct 77 ms 12268 KB Output is correct
13 Correct 3 ms 2796 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 60 ms 13164 KB Output is correct
2 Correct 61 ms 13036 KB Output is correct
3 Correct 35 ms 9580 KB Output is correct
4 Correct 8 ms 4204 KB Output is correct
5 Correct 8 ms 3564 KB Output is correct
6 Correct 14 ms 4972 KB Output is correct
7 Correct 2 ms 2668 KB Output is correct
8 Correct 29 ms 6892 KB Output is correct
9 Correct 39 ms 8428 KB Output is correct
10 Correct 2 ms 2796 KB Output is correct
11 Correct 60 ms 10476 KB Output is correct
12 Correct 77 ms 12268 KB Output is correct
13 Correct 3 ms 2796 KB Output is correct
14 Correct 2 ms 2668 KB Output is correct
15 Correct 2 ms 2668 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 2 ms 2668 KB Output is correct
19 Correct 2 ms 2668 KB Output is correct
20 Correct 2 ms 2668 KB Output is correct
21 Correct 2 ms 2668 KB Output is correct
22 Correct 2 ms 2668 KB Output is correct
23 Correct 2 ms 2668 KB Output is correct
24 Correct 2 ms 2668 KB Output is correct
25 Correct 2 ms 2668 KB Output is correct
26 Correct 2 ms 2668 KB Output is correct
27 Correct 2 ms 2668 KB Output is correct
28 Correct 2 ms 2668 KB Output is correct
29 Correct 2 ms 2668 KB Output is correct
30 Correct 2 ms 2668 KB Output is correct
31 Correct 2 ms 2668 KB Output is correct
32 Correct 2 ms 2668 KB Output is correct
33 Correct 2 ms 2668 KB Output is correct
34 Correct 2 ms 2668 KB Output is correct
35 Correct 2 ms 2668 KB Output is correct
36 Correct 2 ms 2668 KB Output is correct
37 Correct 2 ms 2668 KB Output is correct
38 Correct 2 ms 2796 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 60 ms 13164 KB Output is correct
2 Correct 61 ms 13036 KB Output is correct
3 Correct 35 ms 9580 KB Output is correct
4 Correct 8 ms 4204 KB Output is correct
5 Correct 8 ms 3564 KB Output is correct
6 Correct 14 ms 4972 KB Output is correct
7 Correct 2 ms 2668 KB Output is correct
8 Correct 29 ms 6892 KB Output is correct
9 Correct 39 ms 8428 KB Output is correct
10 Correct 2 ms 2796 KB Output is correct
11 Correct 60 ms 10476 KB Output is correct
12 Correct 77 ms 12268 KB Output is correct
13 Correct 3 ms 2796 KB Output is correct
14 Correct 2 ms 2668 KB Output is correct
15 Correct 2 ms 2668 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 2 ms 2668 KB Output is correct
19 Correct 2 ms 2668 KB Output is correct
20 Correct 2 ms 2668 KB Output is correct
21 Correct 2 ms 2668 KB Output is correct
22 Correct 2 ms 2668 KB Output is correct
23 Correct 2 ms 2668 KB Output is correct
24 Correct 2 ms 2668 KB Output is correct
25 Correct 2 ms 2668 KB Output is correct
26 Correct 2 ms 2668 KB Output is correct
27 Correct 2 ms 2668 KB Output is correct
28 Correct 2 ms 2668 KB Output is correct
29 Correct 2 ms 2668 KB Output is correct
30 Correct 2 ms 2668 KB Output is correct
31 Correct 2 ms 2668 KB Output is correct
32 Correct 2 ms 2668 KB Output is correct
33 Correct 2 ms 2668 KB Output is correct
34 Correct 2 ms 2668 KB Output is correct
35 Correct 2 ms 2668 KB Output is correct
36 Correct 2 ms 2668 KB Output is correct
37 Correct 2 ms 2668 KB Output is correct
38 Correct 2 ms 2796 KB Output is correct
39 Correct 58 ms 14316 KB Output is correct
40 Correct 60 ms 14316 KB Output is correct
41 Correct 38 ms 10476 KB Output is correct
42 Correct 9 ms 4460 KB Output is correct
43 Correct 2 ms 2668 KB Output is correct
44 Correct 2 ms 2668 KB Output is correct
45 Correct 2 ms 2668 KB Output is correct
46 Correct 2 ms 2668 KB Output is correct
47 Correct 2 ms 2668 KB Output is correct
48 Correct 2 ms 2668 KB Output is correct
49 Correct 2 ms 2668 KB Output is correct
50 Correct 2 ms 2668 KB Output is correct
51 Correct 2 ms 2668 KB Output is correct
52 Correct 2 ms 2668 KB Output is correct
53 Correct 2 ms 2668 KB Output is correct
54 Correct 2 ms 2668 KB Output is correct
55 Correct 2 ms 2668 KB Output is correct
56 Correct 2 ms 2668 KB Output is correct
57 Correct 95 ms 10220 KB Output is correct
58 Correct 93 ms 10092 KB Output is correct
59 Correct 94 ms 10108 KB Output is correct
60 Correct 91 ms 9964 KB Output is correct
61 Correct 89 ms 10092 KB Output is correct
62 Correct 90 ms 10136 KB Output is correct
63 Correct 84 ms 9708 KB Output is correct
64 Correct 90 ms 9708 KB Output is correct
65 Correct 86 ms 10092 KB Output is correct
66 Correct 85 ms 10092 KB Output is correct
67 Correct 94 ms 9964 KB Output is correct
68 Correct 108 ms 10092 KB Output is correct
69 Correct 93 ms 10348 KB Output is correct
70 Correct 92 ms 10212 KB Output is correct
71 Correct 2 ms 2668 KB Output is correct
72 Correct 4 ms 2924 KB Output is correct
73 Correct 4 ms 2924 KB Output is correct
74 Correct 3 ms 2944 KB Output is correct
75 Correct 4 ms 2924 KB Output is correct
76 Correct 4 ms 2924 KB Output is correct
77 Correct 4 ms 2924 KB Output is correct
78 Correct 4 ms 2924 KB Output is correct
79 Correct 5 ms 2924 KB Output is correct
80 Correct 92 ms 9964 KB Output is correct
81 Correct 84 ms 9964 KB Output is correct
82 Correct 87 ms 10092 KB Output is correct
83 Correct 86 ms 10092 KB Output is correct
84 Correct 3 ms 2924 KB Output is correct
85 Correct 3 ms 2796 KB Output is correct
86 Correct 3 ms 2924 KB Output is correct
87 Correct 3 ms 2924 KB Output is correct
88 Correct 3 ms 2924 KB Output is correct
89 Correct 3 ms 2924 KB Output is correct
90 Correct 3 ms 2924 KB Output is correct
91 Correct 3 ms 2924 KB Output is correct
92 Correct 3 ms 2924 KB Output is correct
93 Correct 3 ms 2924 KB Output is correct
94 Correct 2 ms 2668 KB Output is correct
95 Correct 2 ms 2668 KB Output is correct
96 Correct 2 ms 2668 KB Output is correct
97 Correct 2 ms 2668 KB Output is correct
98 Correct 2 ms 2668 KB Output is correct
99 Correct 2 ms 2668 KB Output is correct
100 Correct 2 ms 2668 KB Output is correct
101 Correct 2 ms 2668 KB Output is correct
102 Correct 2 ms 2668 KB Output is correct
103 Correct 2 ms 2668 KB Output is correct
104 Correct 8 ms 3692 KB Output is correct
105 Correct 15 ms 5356 KB Output is correct
106 Correct 2 ms 2668 KB Output is correct
107 Correct 27 ms 6764 KB Output is correct
108 Correct 35 ms 8428 KB Output is correct
109 Correct 2 ms 2796 KB Output is correct
110 Correct 60 ms 10476 KB Output is correct
111 Correct 74 ms 12268 KB Output is correct
112 Correct 2 ms 2796 KB Output is correct
113 Correct 105 ms 15724 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 28 ms 6144 KB Output is correct
2 Correct 26 ms 6124 KB Output is correct
3 Correct 26 ms 6124 KB Output is correct
4 Correct 27 ms 6124 KB Output is correct
5 Correct 26 ms 6124 KB Output is correct
6 Correct 28 ms 6252 KB Output is correct
7 Correct 26 ms 6252 KB Output is correct
8 Correct 26 ms 5996 KB Output is correct
9 Correct 32 ms 5996 KB Output is correct
10 Correct 27 ms 6252 KB Output is correct
11 Correct 2 ms 2668 KB Output is correct
12 Correct 7 ms 3948 KB Output is correct
13 Correct 8 ms 3948 KB Output is correct
14 Correct 8 ms 3948 KB Output is correct
15 Correct 7 ms 3948 KB Output is correct
16 Correct 7 ms 3948 KB Output is correct
17 Correct 8 ms 3948 KB Output is correct
18 Correct 8 ms 3948 KB Output is correct
19 Correct 7 ms 3948 KB Output is correct
20 Correct 2 ms 2668 KB Output is correct
21 Correct 2 ms 2700 KB Output is correct
22 Correct 3 ms 2668 KB Output is correct
23 Correct 7 ms 3948 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 60 ms 13164 KB Output is correct
2 Correct 61 ms 13036 KB Output is correct
3 Correct 35 ms 9580 KB Output is correct
4 Correct 8 ms 4204 KB Output is correct
5 Correct 8 ms 3564 KB Output is correct
6 Correct 14 ms 4972 KB Output is correct
7 Correct 2 ms 2668 KB Output is correct
8 Correct 29 ms 6892 KB Output is correct
9 Correct 39 ms 8428 KB Output is correct
10 Correct 2 ms 2796 KB Output is correct
11 Correct 60 ms 10476 KB Output is correct
12 Correct 77 ms 12268 KB Output is correct
13 Correct 3 ms 2796 KB Output is correct
14 Correct 2 ms 2796 KB Output is correct
15 Correct 3 ms 2796 KB Output is correct
16 Correct 4 ms 2924 KB Output is correct
17 Correct 2 ms 2796 KB Output is correct
18 Correct 3 ms 2796 KB Output is correct
19 Correct 3 ms 2924 KB Output is correct
20 Correct 3 ms 2796 KB Output is correct
21 Correct 3 ms 2796 KB Output is correct
22 Correct 3 ms 2924 KB Output is correct
23 Correct 2 ms 2668 KB Output is correct
24 Correct 2 ms 2668 KB Output is correct
25 Correct 2 ms 2668 KB Output is correct
26 Correct 2 ms 2668 KB Output is correct
27 Correct 2 ms 2668 KB Output is correct
28 Correct 2 ms 2668 KB Output is correct
29 Correct 3 ms 2668 KB Output is correct
30 Correct 2 ms 2668 KB Output is correct
31 Correct 2 ms 2668 KB Output is correct
32 Correct 2 ms 2668 KB Output is correct
33 Correct 2 ms 2668 KB Output is correct
34 Correct 2 ms 2668 KB Output is correct
35 Correct 2 ms 2668 KB Output is correct
36 Correct 2 ms 2668 KB Output is correct
37 Correct 2 ms 2668 KB Output is correct
38 Correct 2 ms 2668 KB Output is correct
39 Correct 2 ms 2668 KB Output is correct
40 Correct 2 ms 2668 KB Output is correct
41 Correct 2 ms 2668 KB Output is correct
42 Incorrect 4 ms 3052 KB Output isn't correct
43 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 60 ms 13164 KB Output is correct
2 Correct 61 ms 13036 KB Output is correct
3 Correct 35 ms 9580 KB Output is correct
4 Correct 8 ms 4204 KB Output is correct
5 Correct 8 ms 3564 KB Output is correct
6 Correct 14 ms 4972 KB Output is correct
7 Correct 2 ms 2668 KB Output is correct
8 Correct 29 ms 6892 KB Output is correct
9 Correct 39 ms 8428 KB Output is correct
10 Correct 2 ms 2796 KB Output is correct
11 Correct 60 ms 10476 KB Output is correct
12 Correct 77 ms 12268 KB Output is correct
13 Correct 3 ms 2796 KB Output is correct
14 Correct 2 ms 2668 KB Output is correct
15 Correct 2 ms 2668 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 2 ms 2668 KB Output is correct
19 Correct 2 ms 2668 KB Output is correct
20 Correct 2 ms 2668 KB Output is correct
21 Correct 2 ms 2668 KB Output is correct
22 Correct 2 ms 2668 KB Output is correct
23 Correct 2 ms 2668 KB Output is correct
24 Correct 2 ms 2668 KB Output is correct
25 Correct 2 ms 2668 KB Output is correct
26 Correct 2 ms 2668 KB Output is correct
27 Correct 2 ms 2668 KB Output is correct
28 Correct 2 ms 2668 KB Output is correct
29 Correct 2 ms 2668 KB Output is correct
30 Correct 2 ms 2668 KB Output is correct
31 Correct 2 ms 2668 KB Output is correct
32 Correct 2 ms 2668 KB Output is correct
33 Correct 2 ms 2668 KB Output is correct
34 Correct 2 ms 2668 KB Output is correct
35 Correct 2 ms 2668 KB Output is correct
36 Correct 2 ms 2668 KB Output is correct
37 Correct 2 ms 2668 KB Output is correct
38 Correct 2 ms 2796 KB Output is correct
39 Correct 58 ms 14316 KB Output is correct
40 Correct 60 ms 14316 KB Output is correct
41 Correct 38 ms 10476 KB Output is correct
42 Correct 9 ms 4460 KB Output is correct
43 Correct 2 ms 2668 KB Output is correct
44 Correct 2 ms 2668 KB Output is correct
45 Correct 2 ms 2668 KB Output is correct
46 Correct 2 ms 2668 KB Output is correct
47 Correct 2 ms 2668 KB Output is correct
48 Correct 2 ms 2668 KB Output is correct
49 Correct 2 ms 2668 KB Output is correct
50 Correct 2 ms 2668 KB Output is correct
51 Correct 2 ms 2668 KB Output is correct
52 Correct 2 ms 2668 KB Output is correct
53 Correct 2 ms 2668 KB Output is correct
54 Correct 2 ms 2668 KB Output is correct
55 Correct 2 ms 2668 KB Output is correct
56 Correct 2 ms 2668 KB Output is correct
57 Correct 95 ms 10220 KB Output is correct
58 Correct 93 ms 10092 KB Output is correct
59 Correct 94 ms 10108 KB Output is correct
60 Correct 91 ms 9964 KB Output is correct
61 Correct 89 ms 10092 KB Output is correct
62 Correct 90 ms 10136 KB Output is correct
63 Correct 84 ms 9708 KB Output is correct
64 Correct 90 ms 9708 KB Output is correct
65 Correct 86 ms 10092 KB Output is correct
66 Correct 85 ms 10092 KB Output is correct
67 Correct 94 ms 9964 KB Output is correct
68 Correct 108 ms 10092 KB Output is correct
69 Correct 93 ms 10348 KB Output is correct
70 Correct 92 ms 10212 KB Output is correct
71 Correct 2 ms 2668 KB Output is correct
72 Correct 4 ms 2924 KB Output is correct
73 Correct 4 ms 2924 KB Output is correct
74 Correct 3 ms 2944 KB Output is correct
75 Correct 4 ms 2924 KB Output is correct
76 Correct 4 ms 2924 KB Output is correct
77 Correct 4 ms 2924 KB Output is correct
78 Correct 4 ms 2924 KB Output is correct
79 Correct 5 ms 2924 KB Output is correct
80 Correct 92 ms 9964 KB Output is correct
81 Correct 84 ms 9964 KB Output is correct
82 Correct 87 ms 10092 KB Output is correct
83 Correct 86 ms 10092 KB Output is correct
84 Correct 3 ms 2924 KB Output is correct
85 Correct 3 ms 2796 KB Output is correct
86 Correct 3 ms 2924 KB Output is correct
87 Correct 3 ms 2924 KB Output is correct
88 Correct 3 ms 2924 KB Output is correct
89 Correct 3 ms 2924 KB Output is correct
90 Correct 3 ms 2924 KB Output is correct
91 Correct 3 ms 2924 KB Output is correct
92 Correct 3 ms 2924 KB Output is correct
93 Correct 3 ms 2924 KB Output is correct
94 Correct 2 ms 2668 KB Output is correct
95 Correct 2 ms 2668 KB Output is correct
96 Correct 2 ms 2668 KB Output is correct
97 Correct 2 ms 2668 KB Output is correct
98 Correct 2 ms 2668 KB Output is correct
99 Correct 2 ms 2668 KB Output is correct
100 Correct 2 ms 2668 KB Output is correct
101 Correct 2 ms 2668 KB Output is correct
102 Correct 2 ms 2668 KB Output is correct
103 Correct 2 ms 2668 KB Output is correct
104 Correct 8 ms 3692 KB Output is correct
105 Correct 15 ms 5356 KB Output is correct
106 Correct 2 ms 2668 KB Output is correct
107 Correct 27 ms 6764 KB Output is correct
108 Correct 35 ms 8428 KB Output is correct
109 Correct 2 ms 2796 KB Output is correct
110 Correct 60 ms 10476 KB Output is correct
111 Correct 74 ms 12268 KB Output is correct
112 Correct 2 ms 2796 KB Output is correct
113 Correct 105 ms 15724 KB Output is correct
114 Correct 28 ms 6144 KB Output is correct
115 Correct 26 ms 6124 KB Output is correct
116 Correct 26 ms 6124 KB Output is correct
117 Correct 27 ms 6124 KB Output is correct
118 Correct 26 ms 6124 KB Output is correct
119 Correct 28 ms 6252 KB Output is correct
120 Correct 26 ms 6252 KB Output is correct
121 Correct 26 ms 5996 KB Output is correct
122 Correct 32 ms 5996 KB Output is correct
123 Correct 27 ms 6252 KB Output is correct
124 Correct 2 ms 2668 KB Output is correct
125 Correct 7 ms 3948 KB Output is correct
126 Correct 8 ms 3948 KB Output is correct
127 Correct 8 ms 3948 KB Output is correct
128 Correct 7 ms 3948 KB Output is correct
129 Correct 7 ms 3948 KB Output is correct
130 Correct 8 ms 3948 KB Output is correct
131 Correct 8 ms 3948 KB Output is correct
132 Correct 7 ms 3948 KB Output is correct
133 Correct 2 ms 2668 KB Output is correct
134 Correct 2 ms 2700 KB Output is correct
135 Correct 3 ms 2668 KB Output is correct
136 Correct 7 ms 3948 KB Output is correct
137 Correct 2 ms 2796 KB Output is correct
138 Correct 3 ms 2796 KB Output is correct
139 Correct 4 ms 2924 KB Output is correct
140 Correct 2 ms 2796 KB Output is correct
141 Correct 3 ms 2796 KB Output is correct
142 Correct 3 ms 2924 KB Output is correct
143 Correct 3 ms 2796 KB Output is correct
144 Correct 3 ms 2796 KB Output is correct
145 Correct 3 ms 2924 KB Output is correct
146 Correct 2 ms 2668 KB Output is correct
147 Correct 2 ms 2668 KB Output is correct
148 Correct 2 ms 2668 KB Output is correct
149 Correct 2 ms 2668 KB Output is correct
150 Correct 2 ms 2668 KB Output is correct
151 Correct 2 ms 2668 KB Output is correct
152 Correct 3 ms 2668 KB Output is correct
153 Correct 2 ms 2668 KB Output is correct
154 Correct 2 ms 2668 KB Output is correct
155 Correct 2 ms 2668 KB Output is correct
156 Correct 2 ms 2668 KB Output is correct
157 Correct 2 ms 2668 KB Output is correct
158 Correct 2 ms 2668 KB Output is correct
159 Correct 2 ms 2668 KB Output is correct
160 Correct 2 ms 2668 KB Output is correct
161 Correct 2 ms 2668 KB Output is correct
162 Correct 2 ms 2668 KB Output is correct
163 Correct 2 ms 2668 KB Output is correct
164 Correct 2 ms 2668 KB Output is correct
165 Incorrect 4 ms 3052 KB Output isn't correct
166 Halted 0 ms 0 KB -