Submission #96753

# Submission time Handle Problem Language Result Execution time Memory
96753 2019-02-11T17:31:04 Z figter001 Dreaming (IOI13_dreaming) C++14
100 / 100
136 ms 12536 KB
#include "dreaming.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
const int maxn = 1e5;

vector<pair<int,int>> g[maxn];
vector<int> C;
int mx,to,cst[maxn],t,best,mn,vis[maxn],c,ans;

void path(int u,int cost){
	vis[u] = c;
	if(cost > mx){
		mx = cost;
		to = u;
	}
	for(pair<int,int> cur : g[u]){
		int v = cur.first;
		int w = cur.second;
		if(vis[v] == c)continue;
		path(v,cost + w);
	}
}

void dfs(int u,int cost){
	vis[u] = c;
	if(t == 1){
		cst[u] = max(cst[u],cost);
		if(cst[u] < mn){
			mn = cst[u];
			best = u;
		}
	}else cst[u] = cost;
	for(pair<int,int> cur : g[u]){
		int v = cur.first;
		int w = cur.second;
		if(vis[v] == c)continue;
		dfs(v,cost + w);
	}	
}

void find(int s){
	mn = 2e9;
	mx = -1;
	c++;
	path(s,0);
	int a = to;
	c++;
	mx = -1;
	path(a,0);
	int b = to;
	t = 0;
	c++;
	dfs(a,0);
	t = 1;
	c++;
	dfs(b,0);
	ans = max(ans,mx);
	C.push_back(mn);
}

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]});
	}
	for(int i=0;i<N;i++)
		if(!vis[i])
			find(i);
	sort(C.begin(),C.end());
	reverse(C.begin(),C.end());
	if(C.size() > 1){
		ans = max(ans,C[0] + C[1] + L);
		if(C.size() > 2)ans = max(ans,C[1] + C[2] + 2*L);
	}
    return ans;
}

Compilation message

grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^~~
# Verdict Execution time Memory Grader output
1 Correct 60 ms 10104 KB Output is correct
2 Correct 62 ms 10232 KB Output is correct
3 Correct 41 ms 7544 KB Output is correct
4 Correct 12 ms 3704 KB Output is correct
5 Correct 11 ms 3320 KB Output is correct
6 Correct 17 ms 4316 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 31 ms 5496 KB Output is correct
9 Correct 38 ms 6520 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 56 ms 7800 KB Output is correct
12 Correct 61 ms 8952 KB Output is correct
13 Correct 4 ms 2808 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 2680 KB Output is correct
2 Correct 3 ms 2680 KB Output is correct
3 Correct 3 ms 2680 KB Output is correct
4 Correct 3 ms 2680 KB Output is correct
5 Correct 3 ms 2680 KB Output is correct
6 Correct 3 ms 2680 KB Output is correct
7 Correct 3 ms 2680 KB Output is correct
8 Correct 3 ms 2680 KB Output is correct
9 Correct 3 ms 2680 KB Output is correct
10 Correct 3 ms 2680 KB Output is correct
11 Correct 4 ms 2808 KB Output is correct
12 Correct 4 ms 2680 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 4 ms 2680 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 4 ms 2680 KB Output is correct
17 Correct 4 ms 2680 KB Output is correct
18 Correct 4 ms 2684 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 2684 KB Output is correct
23 Correct 4 ms 2684 KB Output is correct
24 Correct 4 ms 2680 KB Output is correct
25 Correct 4 ms 2680 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 63 ms 10104 KB Output is correct
2 Correct 136 ms 10104 KB Output is correct
3 Correct 40 ms 7544 KB Output is correct
4 Correct 11 ms 3832 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 4 ms 2680 KB Output is correct
12 Correct 4 ms 2680 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 4 ms 2680 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 3 ms 2680 KB Output is correct
17 Correct 4 ms 2680 KB Output is correct
18 Correct 4 ms 2680 KB Output is correct
19 Correct 92 ms 8568 KB Output is correct
20 Correct 83 ms 8568 KB Output is correct
21 Correct 83 ms 8568 KB Output is correct
22 Correct 82 ms 8568 KB Output is correct
23 Correct 77 ms 8408 KB Output is correct
24 Correct 105 ms 8568 KB Output is correct
25 Correct 70 ms 8312 KB Output is correct
26 Correct 83 ms 8312 KB Output is correct
27 Correct 71 ms 8440 KB Output is correct
28 Correct 75 ms 8440 KB Output is correct
29 Correct 82 ms 8656 KB Output is correct
30 Correct 81 ms 8696 KB Output is correct
31 Correct 111 ms 8772 KB Output is correct
32 Correct 80 ms 8568 KB Output is correct
33 Correct 3 ms 2680 KB Output is correct
34 Correct 5 ms 2936 KB Output is correct
35 Correct 5 ms 2808 KB Output is correct
36 Correct 5 ms 2808 KB Output is correct
37 Correct 7 ms 2936 KB Output is correct
38 Correct 5 ms 2936 KB Output is correct
39 Correct 3 ms 2940 KB Output is correct
40 Correct 6 ms 2936 KB Output is correct
41 Correct 5 ms 2936 KB Output is correct
42 Correct 82 ms 8568 KB Output is correct
43 Correct 92 ms 8696 KB Output is correct
44 Correct 81 ms 8636 KB Output is correct
45 Correct 72 ms 8568 KB Output is correct
46 Correct 4 ms 2808 KB Output is correct
47 Correct 4 ms 2808 KB Output is correct
48 Correct 4 ms 2808 KB Output is correct
49 Correct 5 ms 2812 KB Output is correct
50 Correct 5 ms 2808 KB Output is correct
51 Correct 5 ms 2808 KB Output is correct
52 Correct 5 ms 2808 KB Output is correct
53 Correct 5 ms 2936 KB Output is correct
54 Correct 6 ms 2936 KB Output is correct
55 Correct 5 ms 2936 KB Output is correct
56 Correct 4 ms 2680 KB Output is correct
57 Correct 3 ms 2680 KB Output is correct
58 Correct 4 ms 2680 KB Output is correct
59 Correct 4 ms 2680 KB Output is correct
60 Correct 3 ms 2680 KB Output is correct
61 Correct 3 ms 2680 KB Output is correct
62 Correct 3 ms 2680 KB Output is correct
63 Correct 4 ms 2680 KB Output is correct
64 Correct 3 ms 2680 KB Output is correct
65 Correct 4 ms 2780 KB Output is correct
66 Correct 11 ms 3448 KB Output is correct
67 Correct 17 ms 4472 KB Output is correct
68 Correct 4 ms 2680 KB Output is correct
69 Correct 32 ms 5624 KB Output is correct
70 Correct 40 ms 6648 KB Output is correct
71 Correct 4 ms 2680 KB Output is correct
72 Correct 57 ms 7928 KB Output is correct
73 Correct 66 ms 8952 KB Output is correct
74 Correct 5 ms 2808 KB Output is correct
75 Correct 96 ms 11080 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 29 ms 6136 KB Output is correct
2 Correct 30 ms 6648 KB Output is correct
3 Correct 29 ms 6520 KB Output is correct
4 Correct 33 ms 6520 KB Output is correct
5 Correct 28 ms 6520 KB Output is correct
6 Correct 32 ms 7032 KB Output is correct
7 Correct 33 ms 6776 KB Output is correct
8 Correct 27 ms 6520 KB Output is correct
9 Correct 27 ms 6392 KB Output is correct
10 Correct 34 ms 6776 KB Output is correct
11 Correct 4 ms 2680 KB Output is correct
12 Correct 12 ms 4084 KB Output is correct
13 Correct 9 ms 4212 KB Output is correct
14 Correct 9 ms 4216 KB Output is correct
15 Correct 8 ms 4084 KB Output is correct
16 Correct 8 ms 4084 KB Output is correct
17 Correct 8 ms 3956 KB Output is correct
18 Correct 8 ms 4212 KB Output is correct
19 Correct 8 ms 4056 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 2852 KB Output is correct
23 Correct 8 ms 4212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 2808 KB Output is correct
2 Correct 4 ms 2808 KB Output is correct
3 Correct 5 ms 2808 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2808 KB Output is correct
6 Correct 5 ms 2936 KB Output is correct
7 Correct 4 ms 2808 KB Output is correct
8 Correct 4 ms 2808 KB Output is correct
9 Correct 5 ms 2808 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 4 ms 2680 KB Output is correct
12 Correct 4 ms 2680 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 4 ms 2680 KB Output is correct
15 Correct 5 ms 2680 KB Output is correct
16 Correct 4 ms 2680 KB Output is correct
17 Correct 4 ms 2680 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 5 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 2652 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 2680 KB Output is correct
28 Correct 4 ms 2680 KB Output is correct
29 Correct 5 ms 2936 KB Output is correct
30 Correct 6 ms 2980 KB Output is correct
31 Correct 5 ms 2808 KB Output is correct
32 Correct 4 ms 2808 KB Output is correct
33 Correct 5 ms 2936 KB Output is correct
34 Correct 5 ms 2936 KB Output is correct
35 Correct 4 ms 2808 KB Output is correct
36 Correct 4 ms 2812 KB Output is correct
37 Correct 5 ms 2808 KB Output is correct
38 Correct 5 ms 2808 KB Output is correct
39 Correct 4 ms 2808 KB Output is correct
40 Correct 5 ms 2808 KB Output is correct
41 Correct 6 ms 2936 KB Output is correct
42 Correct 5 ms 2940 KB Output is correct
43 Correct 5 ms 2808 KB Output is correct
44 Correct 5 ms 2808 KB Output is correct
45 Correct 4 ms 2808 KB Output is correct
46 Correct 4 ms 2808 KB Output is correct
47 Correct 5 ms 2936 KB Output is correct
48 Correct 8 ms 2936 KB Output is correct
49 Correct 5 ms 2936 KB Output is correct
50 Correct 5 ms 2808 KB Output is correct
51 Correct 6 ms 2936 KB Output is correct
52 Correct 5 ms 2852 KB Output is correct
53 Correct 4 ms 2808 KB Output is correct
54 Correct 4 ms 2808 KB Output is correct
55 Correct 4 ms 2812 KB Output is correct
56 Correct 4 ms 2680 KB Output is correct
57 Correct 5 ms 2936 KB Output is correct
58 Correct 5 ms 2936 KB Output is correct
59 Correct 4 ms 2808 KB Output is correct
60 Correct 4 ms 2808 KB Output is correct
61 Correct 5 ms 2808 KB Output is correct
62 Correct 6 ms 2936 KB Output is correct
63 Correct 5 ms 2808 KB Output is correct
64 Correct 5 ms 2808 KB Output is correct
65 Correct 5 ms 2808 KB Output is correct
66 Correct 4 ms 2808 KB Output is correct
67 Correct 5 ms 2936 KB Output is correct
68 Correct 4 ms 2808 KB Output is correct
69 Correct 5 ms 2812 KB Output is correct
70 Correct 5 ms 2936 KB Output is correct
71 Correct 5 ms 2884 KB Output is correct
72 Correct 6 ms 2808 KB Output is correct
73 Correct 5 ms 2808 KB Output is correct
74 Correct 7 ms 2936 KB Output is correct
75 Correct 5 ms 2928 KB Output is correct
76 Correct 5 ms 2808 KB Output is correct
77 Correct 4 ms 2652 KB Output is correct
78 Correct 4 ms 2680 KB Output is correct
79 Correct 4 ms 2652 KB Output is correct
80 Correct 4 ms 2680 KB Output is correct
81 Correct 4 ms 2680 KB Output is correct
82 Correct 3 ms 2680 KB Output is correct
83 Correct 5 ms 2680 KB Output is correct
84 Correct 3 ms 2684 KB Output is correct
85 Correct 4 ms 2680 KB Output is correct
86 Correct 4 ms 2680 KB Output is correct
87 Correct 4 ms 2680 KB Output is correct
88 Correct 4 ms 2680 KB Output is correct
89 Correct 4 ms 2680 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 2808 KB Output is correct
2 Correct 4 ms 2808 KB Output is correct
3 Correct 5 ms 2808 KB Output is correct
4 Correct 48 ms 7032 KB Output is correct
5 Correct 54 ms 8056 KB Output is correct
6 Correct 4 ms 2808 KB Output is correct
7 Correct 5 ms 2808 KB Output is correct
8 Correct 5 ms 2936 KB Output is correct
9 Correct 50 ms 8052 KB Output is correct
10 Correct 90 ms 9340 KB Output is correct
11 Correct 5 ms 2808 KB Output is correct
12 Correct 4 ms 2808 KB Output is correct
13 Correct 5 ms 2936 KB Output is correct
14 Correct 50 ms 8000 KB Output is correct
15 Correct 68 ms 9464 KB Output is correct
16 Correct 34 ms 6572 KB Output is correct
17 Correct 33 ms 6520 KB Output is correct
18 Correct 33 ms 6520 KB Output is correct
19 Correct 32 ms 6520 KB Output is correct
20 Correct 36 ms 6620 KB Output is correct
21 Correct 36 ms 7032 KB Output is correct
22 Correct 32 ms 6904 KB Output is correct
23 Correct 28 ms 6520 KB Output is correct
24 Correct 29 ms 6520 KB Output is correct
25 Correct 41 ms 6776 KB Output is correct
26 Correct 4 ms 2680 KB Output is correct
27 Correct 57 ms 11384 KB Output is correct
28 Correct 59 ms 11296 KB Output is correct
29 Correct 38 ms 8568 KB Output is correct
30 Correct 11 ms 3960 KB Output is correct
31 Correct 3 ms 2680 KB Output is correct
32 Correct 3 ms 2680 KB Output is correct
33 Correct 4 ms 2680 KB Output is correct
34 Correct 5 ms 2680 KB Output is correct
35 Correct 3 ms 2680 KB Output is correct
36 Correct 3 ms 2680 KB Output is correct
37 Correct 4 ms 2680 KB Output is correct
38 Correct 4 ms 2724 KB Output is correct
39 Correct 4 ms 2680 KB Output is correct
40 Correct 4 ms 2680 KB Output is correct
41 Correct 3 ms 2680 KB Output is correct
42 Correct 4 ms 2680 KB Output is correct
43 Correct 4 ms 2680 KB Output is correct
44 Correct 3 ms 2680 KB Output is correct
45 Correct 4 ms 2680 KB Output is correct
46 Correct 4 ms 2680 KB Output is correct
47 Correct 92 ms 9896 KB Output is correct
48 Correct 78 ms 9948 KB Output is correct
49 Correct 88 ms 9848 KB Output is correct
50 Correct 106 ms 9968 KB Output is correct
51 Correct 12 ms 4108 KB Output is correct
52 Correct 8 ms 4084 KB Output is correct
53 Correct 86 ms 9976 KB Output is correct
54 Correct 76 ms 10036 KB Output is correct
55 Correct 68 ms 9592 KB Output is correct
56 Correct 104 ms 9724 KB Output is correct
57 Correct 72 ms 10104 KB Output is correct
58 Correct 86 ms 9848 KB Output is correct
59 Correct 82 ms 9852 KB Output is correct
60 Correct 96 ms 9848 KB Output is correct
61 Correct 84 ms 10104 KB Output is correct
62 Correct 102 ms 10204 KB Output is correct
63 Correct 8 ms 4056 KB Output is correct
64 Correct 8 ms 4084 KB Output is correct
65 Correct 12 ms 4056 KB Output is correct
66 Correct 9 ms 3956 KB Output is correct
67 Correct 9 ms 4104 KB Output is correct
68 Correct 8 ms 4084 KB Output is correct
69 Correct 4 ms 2728 KB Output is correct
70 Correct 3 ms 2680 KB Output is correct
71 Correct 7 ms 2936 KB Output is correct
72 Correct 6 ms 2936 KB Output is correct
73 Correct 73 ms 9464 KB Output is correct
74 Correct 82 ms 9452 KB Output is correct
75 Correct 5 ms 2848 KB Output is correct
76 Correct 4 ms 2808 KB Output is correct
77 Correct 5 ms 2936 KB Output is correct
78 Correct 5 ms 2904 KB Output is correct
79 Correct 4 ms 2808 KB Output is correct
80 Correct 4 ms 2808 KB Output is correct
81 Correct 7 ms 2936 KB Output is correct
82 Correct 5 ms 2936 KB Output is correct
83 Correct 4 ms 2680 KB Output is correct
84 Correct 4 ms 2808 KB Output is correct
85 Correct 5 ms 2936 KB Output is correct
86 Correct 5 ms 2936 KB Output is correct
87 Correct 5 ms 2852 KB Output is correct
88 Correct 5 ms 2808 KB Output is correct
89 Correct 5 ms 2720 KB Output is correct
90 Correct 4 ms 2812 KB Output is correct
91 Correct 5 ms 2936 KB Output is correct
92 Correct 5 ms 2936 KB Output is correct
93 Correct 6 ms 2912 KB Output is correct
94 Correct 5 ms 2808 KB Output is correct
95 Correct 5 ms 2860 KB Output is correct
96 Correct 5 ms 2936 KB Output is correct
97 Correct 4 ms 2808 KB Output is correct
98 Correct 4 ms 2808 KB Output is correct
99 Correct 4 ms 2808 KB Output is correct
100 Correct 4 ms 2808 KB Output is correct
101 Correct 5 ms 2808 KB Output is correct
102 Correct 5 ms 2808 KB Output is correct
103 Correct 4 ms 2808 KB Output is correct
104 Correct 4 ms 2680 KB Output is correct
105 Correct 5 ms 2808 KB Output is correct
106 Correct 6 ms 2808 KB Output is correct
107 Correct 5 ms 2864 KB Output is correct
108 Correct 5 ms 2808 KB Output is correct
109 Correct 5 ms 2808 KB Output is correct
110 Correct 4 ms 2808 KB Output is correct
111 Correct 97 ms 11640 KB Output is correct
112 Correct 95 ms 12396 KB Output is correct
113 Correct 79 ms 9512 KB Output is correct
114 Correct 91 ms 9720 KB Output is correct
115 Correct 24 ms 5620 KB Output is correct
116 Correct 35 ms 6784 KB Output is correct
117 Correct 81 ms 9808 KB Output is correct
118 Correct 96 ms 9780 KB Output is correct
119 Correct 45 ms 7676 KB Output is correct
120 Correct 29 ms 6636 KB Output is correct
121 Correct 89 ms 9900 KB Output is correct
122 Correct 88 ms 9876 KB Output is correct
123 Correct 75 ms 9628 KB Output is correct
124 Correct 60 ms 9052 KB Output is correct
125 Correct 76 ms 9976 KB Output is correct
126 Correct 79 ms 10104 KB Output is correct
127 Correct 10 ms 4472 KB Output is correct
128 Correct 58 ms 9208 KB Output is correct
129 Correct 28 ms 6772 KB Output is correct
130 Correct 30 ms 6852 KB Output is correct
131 Correct 52 ms 8820 KB Output is correct
132 Correct 17 ms 5104 KB Output is correct
133 Correct 28 ms 6772 KB Output is correct
134 Correct 47 ms 6772 KB Output is correct
135 Correct 9 ms 4212 KB Output is correct
136 Correct 8 ms 4084 KB Output is correct
137 Correct 73 ms 10104 KB Output is correct
138 Correct 71 ms 10000 KB Output is correct
139 Correct 41 ms 7544 KB Output is correct
140 Correct 30 ms 6388 KB Output is correct
141 Correct 46 ms 7672 KB Output is correct
142 Correct 48 ms 8184 KB Output is correct
143 Correct 53 ms 8824 KB Output is correct
144 Correct 44 ms 8156 KB Output is correct
145 Correct 33 ms 7032 KB Output is correct
146 Correct 51 ms 8824 KB Output is correct
147 Correct 5 ms 2808 KB Output is correct
148 Correct 6 ms 2808 KB Output is correct
149 Correct 5 ms 2808 KB Output is correct
150 Correct 5 ms 2884 KB Output is correct
151 Correct 5 ms 2808 KB Output is correct
152 Correct 5 ms 2808 KB Output is correct
153 Correct 5 ms 2808 KB Output is correct
154 Correct 5 ms 2936 KB Output is correct
155 Correct 5 ms 2936 KB Output is correct
156 Correct 5 ms 2808 KB Output is correct
157 Correct 3 ms 2680 KB Output is correct
158 Correct 3 ms 2680 KB Output is correct
159 Correct 3 ms 2684 KB Output is correct
160 Correct 3 ms 2680 KB Output is correct
161 Correct 4 ms 2680 KB Output is correct
162 Correct 4 ms 2680 KB Output is correct
163 Correct 4 ms 2680 KB Output is correct
164 Correct 5 ms 2680 KB Output is correct
165 Correct 4 ms 2680 KB Output is correct
166 Correct 4 ms 2680 KB Output is correct
167 Correct 10 ms 3420 KB Output is correct
168 Correct 18 ms 4600 KB Output is correct
169 Correct 3 ms 2680 KB Output is correct
170 Correct 32 ms 6008 KB Output is correct
171 Correct 40 ms 7288 KB Output is correct
172 Correct 4 ms 2808 KB Output is correct
173 Correct 55 ms 8828 KB Output is correct
174 Correct 62 ms 9980 KB Output is correct
175 Correct 5 ms 2808 KB Output is correct
176 Correct 96 ms 12536 KB Output is correct