Submission #1084210

# Submission time Handle Problem Language Result Execution time Memory
1084210 2024-09-05T15:53:43 Z pera Dreaming (IOI13_dreaming) C++17
47 / 100
114 ms 31060 KB
#include<bits/stdc++.h>
#include "dreaming.h"
using namespace std;
int travelTime(int N , int M , int L , int A[] , int B[] , int T[]){
   vector<vector<int>> g(N + 1) , w(N + 1);
   auto add_edge = [&](int u , int v , int weight){
      g[u].emplace_back(v);
      w[u].emplace_back(weight);
   };
   for(int i = 0;i < M;i ++){
      ++A[i],++B[i];
      add_edge(A[i] , B[i] , T[i]);
      add_edge(B[i] , A[i] , T[i]);
   }
   vector<int> visited(N + 1) , d(N + 1) , mx(N + 1) , non_sub(N + 1) , max_depths;
   function<void(int , int)> dfs = [&](int u , int p){
      for(int x = 0;x < (int)g[u].size();x ++){
         if(g[u][x] != p){
            d[g[u][x]] = d[u] + w[u][x];
            dfs(g[u][x] , u);
            mx[u] = max(mx[u] , mx[g[u][x]] + w[u][x]);
         }
      }
   };
   int mxu , s , ans = 0;
   function<void(int , int , int)> go = [&](int u , int p , int D){
      if(mxu == 0 || D >= s){
         mxu = u;
         s = D;
      }
      ans = max(ans , D);
      for(int x = 0;x < (int)g[u].size();x ++){
         if(g[u][x] != p){
            go(g[u][x] , u , D + w[u][x]);
         }
      }
   };
   function<int(int)> DFS = [&](int u){
      visited[u] = 1;
      int mn = max(mx[u] , non_sub[u]);
      multiset<int> X;
      for(int x = 0;x < (int)g[u].size();x ++){
         if(visited[g[u][x]] == 0){
            X.insert(mx[g[u][x]] + w[u][x]);
         }
      }
      for(int x = 0;x < (int)g[u].size();x ++){
         if(visited[g[u][x]] == 0){
            X.erase(X.find(mx[g[u][x]] + w[u][x]));
            non_sub[g[u][x]] = max(non_sub[u] , (X.empty() ? 0 : *--X.end())) + w[u][x];
            mn = min(mn , DFS(g[u][x]));
            X.insert(mx[g[u][x]] + w[u][x]);
         }
      }
      return mn;
   };
   for(int i = 1;i <= N;i ++){
      if(visited[i] == 0){
         dfs(i , -1);
         mxu = s = 0;
         go(i , -1 , 0);
         go(mxu , -1 , 0);
         max_depths.emplace_back(DFS(i));
      }
   }
   int sz = max_depths.size();
   sort(max_depths.begin() , max_depths.end());
   if(sz == 2){
      ans = max(ans , max_depths[0] + max_depths[1] + L);
   }else{
      ans = max({ans , max_depths[sz - 1] + max_depths[sz - 2] + L , max_depths[sz - 2] + max_depths[sz - 3] + 2 * L});
   }
   return ans;
}
# Verdict Execution time Memory Grader output
1 Correct 57 ms 24148 KB Output is correct
2 Correct 60 ms 24108 KB Output is correct
3 Correct 54 ms 17492 KB Output is correct
4 Correct 10 ms 4124 KB Output is correct
5 Correct 7 ms 2396 KB Output is correct
6 Correct 15 ms 5688 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 32 ms 9368 KB Output is correct
9 Correct 47 ms 13904 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 60 ms 16368 KB Output is correct
12 Correct 69 ms 20052 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 444 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 360 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 57 ms 24148 KB Output is correct
2 Correct 60 ms 24108 KB Output is correct
3 Correct 54 ms 17492 KB Output is correct
4 Correct 10 ms 4124 KB Output is correct
5 Correct 7 ms 2396 KB Output is correct
6 Correct 15 ms 5688 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 32 ms 9368 KB Output is correct
9 Correct 47 ms 13904 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 60 ms 16368 KB Output is correct
12 Correct 69 ms 20052 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 444 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 360 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 600 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 58 ms 24148 KB Output is correct
40 Correct 61 ms 23888 KB Output is correct
41 Correct 40 ms 17488 KB Output is correct
42 Correct 10 ms 3932 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 600 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 344 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 86 ms 15472 KB Output is correct
58 Correct 76 ms 15440 KB Output is correct
59 Correct 74 ms 15644 KB Output is correct
60 Correct 78 ms 15548 KB Output is correct
61 Correct 76 ms 15952 KB Output is correct
62 Correct 72 ms 15932 KB Output is correct
63 Correct 78 ms 15440 KB Output is correct
64 Correct 70 ms 15440 KB Output is correct
65 Correct 73 ms 15936 KB Output is correct
66 Correct 70 ms 16032 KB Output is correct
67 Correct 74 ms 15704 KB Output is correct
68 Correct 77 ms 15700 KB Output is correct
69 Correct 84 ms 15864 KB Output is correct
70 Correct 78 ms 15880 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 2 ms 860 KB Output is correct
73 Correct 2 ms 860 KB Output is correct
74 Correct 2 ms 860 KB Output is correct
75 Correct 2 ms 860 KB Output is correct
76 Correct 2 ms 860 KB Output is correct
77 Correct 3 ms 712 KB Output is correct
78 Correct 2 ms 860 KB Output is correct
79 Correct 2 ms 708 KB Output is correct
80 Correct 79 ms 15700 KB Output is correct
81 Correct 79 ms 15700 KB Output is correct
82 Correct 76 ms 15952 KB Output is correct
83 Correct 81 ms 15956 KB Output is correct
84 Correct 2 ms 600 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 3 ms 856 KB Output is correct
87 Correct 2 ms 604 KB Output is correct
88 Correct 2 ms 856 KB Output is correct
89 Correct 2 ms 860 KB Output is correct
90 Correct 2 ms 604 KB Output is correct
91 Correct 2 ms 860 KB Output is correct
92 Correct 2 ms 860 KB Output is correct
93 Correct 2 ms 860 KB Output is correct
94 Correct 0 ms 444 KB Output is correct
95 Correct 0 ms 344 KB Output is correct
96 Correct 1 ms 348 KB Output is correct
97 Correct 0 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 348 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 348 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 7 ms 2508 KB Output is correct
105 Correct 15 ms 5468 KB Output is correct
106 Correct 1 ms 344 KB Output is correct
107 Correct 32 ms 9300 KB Output is correct
108 Correct 49 ms 13908 KB Output is correct
109 Correct 1 ms 600 KB Output is correct
110 Correct 61 ms 16324 KB Output is correct
111 Correct 64 ms 20048 KB Output is correct
112 Correct 1 ms 600 KB Output is correct
113 Correct 114 ms 31060 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 35 ms 11348 KB Output is correct
2 Correct 30 ms 11348 KB Output is correct
3 Correct 28 ms 11360 KB Output is correct
4 Correct 25 ms 11356 KB Output is correct
5 Correct 32 ms 11356 KB Output is correct
6 Correct 28 ms 12240 KB Output is correct
7 Correct 35 ms 11856 KB Output is correct
8 Correct 32 ms 11096 KB Output is correct
9 Correct 26 ms 11096 KB Output is correct
10 Correct 38 ms 11680 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 7 ms 7380 KB Output is correct
13 Correct 7 ms 7392 KB Output is correct
14 Correct 7 ms 7384 KB Output is correct
15 Correct 8 ms 7296 KB Output is correct
16 Correct 8 ms 7384 KB Output is correct
17 Correct 7 ms 7252 KB Output is correct
18 Correct 9 ms 7640 KB Output is correct
19 Correct 8 ms 7384 KB Output is correct
20 Incorrect 0 ms 348 KB Output isn't correct
21 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 444 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 360 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 2 ms 756 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 3 ms 860 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 2 ms 860 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 448 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 440 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 600 KB Output is correct
52 Incorrect 0 ms 348 KB Output isn't correct
53 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 57 ms 24148 KB Output is correct
2 Correct 60 ms 24108 KB Output is correct
3 Correct 54 ms 17492 KB Output is correct
4 Correct 10 ms 4124 KB Output is correct
5 Correct 7 ms 2396 KB Output is correct
6 Correct 15 ms 5688 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 32 ms 9368 KB Output is correct
9 Correct 47 ms 13904 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 60 ms 16368 KB Output is correct
12 Correct 69 ms 20052 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 444 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 360 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 600 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 58 ms 24148 KB Output is correct
40 Correct 61 ms 23888 KB Output is correct
41 Correct 40 ms 17488 KB Output is correct
42 Correct 10 ms 3932 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 600 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 344 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 86 ms 15472 KB Output is correct
58 Correct 76 ms 15440 KB Output is correct
59 Correct 74 ms 15644 KB Output is correct
60 Correct 78 ms 15548 KB Output is correct
61 Correct 76 ms 15952 KB Output is correct
62 Correct 72 ms 15932 KB Output is correct
63 Correct 78 ms 15440 KB Output is correct
64 Correct 70 ms 15440 KB Output is correct
65 Correct 73 ms 15936 KB Output is correct
66 Correct 70 ms 16032 KB Output is correct
67 Correct 74 ms 15704 KB Output is correct
68 Correct 77 ms 15700 KB Output is correct
69 Correct 84 ms 15864 KB Output is correct
70 Correct 78 ms 15880 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 2 ms 860 KB Output is correct
73 Correct 2 ms 860 KB Output is correct
74 Correct 2 ms 860 KB Output is correct
75 Correct 2 ms 860 KB Output is correct
76 Correct 2 ms 860 KB Output is correct
77 Correct 3 ms 712 KB Output is correct
78 Correct 2 ms 860 KB Output is correct
79 Correct 2 ms 708 KB Output is correct
80 Correct 79 ms 15700 KB Output is correct
81 Correct 79 ms 15700 KB Output is correct
82 Correct 76 ms 15952 KB Output is correct
83 Correct 81 ms 15956 KB Output is correct
84 Correct 2 ms 600 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 3 ms 856 KB Output is correct
87 Correct 2 ms 604 KB Output is correct
88 Correct 2 ms 856 KB Output is correct
89 Correct 2 ms 860 KB Output is correct
90 Correct 2 ms 604 KB Output is correct
91 Correct 2 ms 860 KB Output is correct
92 Correct 2 ms 860 KB Output is correct
93 Correct 2 ms 860 KB Output is correct
94 Correct 0 ms 444 KB Output is correct
95 Correct 0 ms 344 KB Output is correct
96 Correct 1 ms 348 KB Output is correct
97 Correct 0 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 348 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 348 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 7 ms 2508 KB Output is correct
105 Correct 15 ms 5468 KB Output is correct
106 Correct 1 ms 344 KB Output is correct
107 Correct 32 ms 9300 KB Output is correct
108 Correct 49 ms 13908 KB Output is correct
109 Correct 1 ms 600 KB Output is correct
110 Correct 61 ms 16324 KB Output is correct
111 Correct 64 ms 20048 KB Output is correct
112 Correct 1 ms 600 KB Output is correct
113 Correct 114 ms 31060 KB Output is correct
114 Correct 35 ms 11348 KB Output is correct
115 Correct 30 ms 11348 KB Output is correct
116 Correct 28 ms 11360 KB Output is correct
117 Correct 25 ms 11356 KB Output is correct
118 Correct 32 ms 11356 KB Output is correct
119 Correct 28 ms 12240 KB Output is correct
120 Correct 35 ms 11856 KB Output is correct
121 Correct 32 ms 11096 KB Output is correct
122 Correct 26 ms 11096 KB Output is correct
123 Correct 38 ms 11680 KB Output is correct
124 Correct 0 ms 348 KB Output is correct
125 Correct 7 ms 7380 KB Output is correct
126 Correct 7 ms 7392 KB Output is correct
127 Correct 7 ms 7384 KB Output is correct
128 Correct 8 ms 7296 KB Output is correct
129 Correct 8 ms 7384 KB Output is correct
130 Correct 7 ms 7252 KB Output is correct
131 Correct 9 ms 7640 KB Output is correct
132 Correct 8 ms 7384 KB Output is correct
133 Incorrect 0 ms 348 KB Output isn't correct
134 Halted 0 ms 0 KB -