oj.uz

Submission #157917

# Submission time Handle Problem Language Result Execution time Memory
157917 2019-10-13T16:56:00 Z WLZ Dreaming (IOI13_dreaming) C++14
59 / 100
 1000 ms 16500 KB 
#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;

const int INF = 0x3f3f3f3f;

vector< vector< pair<int, int> > > g;
vector<int> was, cur;

void dfs(int u, int p, vector<int>& dist) {
  was[u] = 1;
  cur.push_back(u);
  for (auto& v : g[u]) {
    if (v.first != p) {
      dist[v.first] = dist[u] + v.second;
      dfs(v.first, u, dist);
    }
  }
}

int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
  g.resize(N);
  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]});
  }
  was.assign(N, 0);
  vector<int> v;
  int ans = 0;
  for (int i = 0; i < N; i++) {
    if (was[i]) {
      continue;
    }
    vector<int> dist_a(N, 0);
    cur.clear();
    dfs(i, -1, dist_a);
    int a = cur[0];
    for (auto& x : cur) {
      if (dist_a[x] > dist_a[a]) {
        a = x;
      }
    }
    cur.clear();
    dist_a[a] = 0;
    dfs(a, -1, dist_a);
    int b = cur[0];
    for (auto& x : cur) {
      if (dist_a[x] > dist_a[b]) {
        b = x;
      }
    }
    ans = max(ans, dist_a[b]);
    cur.clear();
    vector<int> dist_b(N, 0);
    dfs(b, -1, dist_b);
    int tmp = INF;
    for (auto& x : cur) {
      tmp = min(tmp, max(dist_a[x], dist_b[x]));
    }
    v.push_back(tmp);
  }
  sort(v.rbegin(), v.rend());
  if ((int) v.size() >= 2) {
    ans = max(ans, v[0] + v[1] + L);
    if ((int) v.size() >= 3) {
      ans = max(ans, v[1] + v[2] + 2 * L);
    }
  }
  return ans;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 14936 KB Output is correct
2 Correct 71 ms 14916 KB Output is correct
3 Correct 48 ms 10160 KB Output is correct
4 Correct 11 ms 2424 KB Output is correct
5 Correct 10 ms 1656 KB Output is correct
6 Correct 19 ms 3576 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 35 ms 5816 KB Output is correct
9 Correct 44 ms 7740 KB Output is correct
10 Correct 2 ms 248 KB Output is correct
11 Correct 67 ms 10232 KB Output is correct
12 Correct 75 ms 12404 KB Output is correct
13 Correct 2 ms 504 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 14936 KB Output is correct
2 Correct 71 ms 14916 KB Output is correct
3 Correct 48 ms 10160 KB Output is correct
4 Correct 11 ms 2424 KB Output is correct
5 Correct 10 ms 1656 KB Output is correct
6 Correct 19 ms 3576 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 35 ms 5816 KB Output is correct
9 Correct 44 ms 7740 KB Output is correct
10 Correct 2 ms 248 KB Output is correct
11 Correct 67 ms 10232 KB Output is correct
12 Correct 75 ms 12404 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 404 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 296 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 380 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 380 KB Output is correct
38 Correct 2 ms 380 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 14936 KB Output is correct
2 Correct 71 ms 14916 KB Output is correct
3 Correct 48 ms 10160 KB Output is correct
4 Correct 11 ms 2424 KB Output is correct
5 Correct 10 ms 1656 KB Output is correct
6 Correct 19 ms 3576 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 35 ms 5816 KB Output is correct
9 Correct 44 ms 7740 KB Output is correct
10 Correct 2 ms 248 KB Output is correct
11 Correct 67 ms 10232 KB Output is correct
12 Correct 75 ms 12404 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 404 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 296 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 380 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 380 KB Output is correct
38 Correct 2 ms 380 KB Output is correct
39 Correct 72 ms 14956 KB Output is correct
40 Correct 70 ms 14996 KB Output is correct
41 Correct 45 ms 10100 KB Output is correct
42 Correct 11 ms 2552 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 380 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 380 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 3 ms 380 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 2 ms 376 KB Output is correct
55 Correct 2 ms 368 KB Output is correct
56 Correct 2 ms 376 KB Output is correct
57 Correct 91 ms 10996 KB Output is correct
58 Correct 89 ms 10740 KB Output is correct
59 Correct 88 ms 10736 KB Output is correct
60 Correct 88 ms 10612 KB Output is correct
61 Correct 87 ms 10912 KB Output is correct
62 Correct 83 ms 10728 KB Output is correct
63 Correct 81 ms 10612 KB Output is correct
64 Correct 81 ms 10616 KB Output is correct
65 Correct 84 ms 10872 KB Output is correct
66 Correct 83 ms 10868 KB Output is correct
67 Correct 86 ms 10736 KB Output is correct
68 Correct 90 ms 10736 KB Output is correct
69 Correct 89 ms 11096 KB Output is correct
70 Correct 88 ms 10996 KB Output is correct
71 Correct 2 ms 256 KB Output is correct
72 Correct 4 ms 628 KB Output is correct
73 Correct 4 ms 632 KB Output is correct
74 Correct 4 ms 632 KB Output is correct
75 Correct 4 ms 632 KB Output is correct
76 Correct 4 ms 636 KB Output is correct
77 Correct 4 ms 632 KB Output is correct
78 Correct 4 ms 632 KB Output is correct
79 Correct 4 ms 632 KB Output is correct
80 Correct 89 ms 10488 KB Output is correct
81 Correct 85 ms 10712 KB Output is correct
82 Correct 85 ms 10868 KB Output is correct
83 Correct 85 ms 10864 KB Output is correct
84 Correct 3 ms 632 KB Output is correct
85 Correct 3 ms 504 KB Output is correct
86 Correct 3 ms 504 KB Output is correct
87 Correct 4 ms 632 KB Output is correct
88 Correct 3 ms 632 KB Output is correct
89 Correct 4 ms 672 KB Output is correct
90 Correct 4 ms 632 KB Output is correct
91 Correct 4 ms 632 KB Output is correct
92 Correct 4 ms 632 KB Output is correct
93 Correct 3 ms 632 KB Output is correct
94 Correct 2 ms 376 KB Output is correct
95 Correct 2 ms 376 KB Output is correct
96 Correct 2 ms 376 KB Output is correct
97 Correct 2 ms 376 KB Output is correct
98 Correct 2 ms 376 KB Output is correct
99 Correct 2 ms 376 KB Output is correct
100 Correct 2 ms 376 KB Output is correct
101 Correct 2 ms 376 KB Output is correct
102 Correct 2 ms 376 KB Output is correct
103 Correct 2 ms 376 KB Output is correct
104 Correct 10 ms 1656 KB Output is correct
105 Correct 19 ms 3576 KB Output is correct
106 Correct 2 ms 376 KB Output is correct
107 Correct 35 ms 5816 KB Output is correct
108 Correct 44 ms 7676 KB Output is correct
109 Correct 2 ms 380 KB Output is correct
110 Correct 63 ms 10244 KB Output is correct
111 Correct 71 ms 12392 KB Output is correct
112 Correct 2 ms 376 KB Output is correct
113 Correct 101 ms 16500 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1074 ms 6728 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 14936 KB Output is correct
2 Correct 71 ms 14916 KB Output is correct
3 Correct 48 ms 10160 KB Output is correct
4 Correct 11 ms 2424 KB Output is correct
5 Correct 10 ms 1656 KB Output is correct
6 Correct 19 ms 3576 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 35 ms 5816 KB Output is correct
9 Correct 44 ms 7740 KB Output is correct
10 Correct 2 ms 248 KB Output is correct
11 Correct 67 ms 10232 KB Output is correct
12 Correct 75 ms 12404 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 4 ms 504 KB Output is correct
16 Correct 5 ms 632 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 4 ms 504 KB Output is correct
19 Correct 5 ms 632 KB Output is correct
20 Correct 3 ms 504 KB Output is correct
21 Correct 4 ms 504 KB Output is correct
22 Correct 5 ms 632 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 380 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 296 KB Output is correct
33 Correct 2 ms 380 KB Output is correct
34 Correct 2 ms 380 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 256 KB Output is correct
41 Correct 2 ms 256 KB Output is correct
42 Correct 4 ms 760 KB Output is correct
43 Correct 4 ms 760 KB Output is correct
44 Correct 7 ms 508 KB Output is correct
45 Correct 10 ms 504 KB Output is correct
46 Correct 4 ms 632 KB Output is correct
47 Correct 4 ms 636 KB Output is correct
48 Correct 8 ms 504 KB Output is correct
49 Correct 10 ms 504 KB Output is correct
50 Correct 4 ms 632 KB Output is correct
51 Correct 4 ms 632 KB Output is correct
52 Correct 10 ms 504 KB Output is correct
53 Correct 7 ms 632 KB Output is correct
54 Correct 4 ms 632 KB Output is correct
55 Correct 4 ms 636 KB Output is correct
56 Correct 6 ms 504 KB Output is correct
57 Correct 6 ms 660 KB Output is correct
58 Correct 9 ms 504 KB Output is correct
59 Correct 8 ms 504 KB Output is correct
60 Correct 4 ms 632 KB Output is correct
61 Correct 4 ms 632 KB Output is correct
62 Correct 4 ms 552 KB Output is correct
63 Correct 4 ms 636 KB Output is correct
64 Correct 4 ms 632 KB Output is correct
65 Correct 4 ms 632 KB Output is correct
66 Correct 9 ms 504 KB Output is correct
67 Correct 8 ms 504 KB Output is correct
68 Correct 10 ms 504 KB Output is correct
69 Correct 11 ms 504 KB Output is correct
70 Correct 5 ms 632 KB Output is correct
71 Correct 10 ms 632 KB Output is correct
72 Correct 9 ms 504 KB Output is correct
73 Correct 10 ms 504 KB Output is correct
74 Correct 7 ms 636 KB Output is correct
75 Correct 5 ms 632 KB Output is correct
76 Correct 7 ms 632 KB Output is correct
77 Correct 7 ms 632 KB Output is correct
78 Correct 8 ms 504 KB Output is correct
79 Correct 8 ms 504 KB Output is correct
80 Correct 3 ms 632 KB Output is correct
81 Correct 3 ms 504 KB Output is correct
82 Correct 3 ms 504 KB Output is correct
83 Correct 4 ms 632 KB Output is correct
84 Correct 4 ms 632 KB Output is correct
85 Correct 4 ms 632 KB Output is correct
86 Correct 4 ms 632 KB Output is correct
87 Correct 4 ms 632 KB Output is correct
88 Correct 4 ms 632 KB Output is correct
89 Correct 4 ms 632 KB Output is correct
90 Correct 2 ms 376 KB Output is correct
91 Correct 2 ms 376 KB Output is correct
92 Correct 2 ms 376 KB Output is correct
93 Correct 2 ms 376 KB Output is correct
94 Correct 2 ms 376 KB Output is correct
95 Correct 2 ms 376 KB Output is correct
96 Correct 2 ms 380 KB Output is correct
97 Correct 2 ms 376 KB Output is correct
98 Correct 2 ms 376 KB Output is correct
99 Correct 2 ms 376 KB Output is correct
100 Correct 2 ms 376 KB Output is correct
101 Correct 2 ms 376 KB Output is correct
102 Correct 3 ms 504 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 14936 KB Output is correct
2 Correct 71 ms 14916 KB Output is correct
3 Correct 48 ms 10160 KB Output is correct
4 Correct 11 ms 2424 KB Output is correct
5 Correct 10 ms 1656 KB Output is correct
6 Correct 19 ms 3576 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 35 ms 5816 KB Output is correct
9 Correct 44 ms 7740 KB Output is correct
10 Correct 2 ms 248 KB Output is correct
11 Correct 67 ms 10232 KB Output is correct
12 Correct 75 ms 12404 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 404 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 296 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 380 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 380 KB Output is correct
38 Correct 2 ms 380 KB Output is correct
39 Correct 72 ms 14956 KB Output is correct
40 Correct 70 ms 14996 KB Output is correct
41 Correct 45 ms 10100 KB Output is correct
42 Correct 11 ms 2552 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 380 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 380 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 3 ms 380 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 2 ms 376 KB Output is correct
55 Correct 2 ms 368 KB Output is correct
56 Correct 2 ms 376 KB Output is correct
57 Correct 91 ms 10996 KB Output is correct
58 Correct 89 ms 10740 KB Output is correct
59 Correct 88 ms 10736 KB Output is correct
60 Correct 88 ms 10612 KB Output is correct
61 Correct 87 ms 10912 KB Output is correct
62 Correct 83 ms 10728 KB Output is correct
63 Correct 81 ms 10612 KB Output is correct
64 Correct 81 ms 10616 KB Output is correct
65 Correct 84 ms 10872 KB Output is correct
66 Correct 83 ms 10868 KB Output is correct
67 Correct 86 ms 10736 KB Output is correct
68 Correct 90 ms 10736 KB Output is correct
69 Correct 89 ms 11096 KB Output is correct
70 Correct 88 ms 10996 KB Output is correct
71 Correct 2 ms 256 KB Output is correct
72 Correct 4 ms 628 KB Output is correct
73 Correct 4 ms 632 KB Output is correct
74 Correct 4 ms 632 KB Output is correct
75 Correct 4 ms 632 KB Output is correct
76 Correct 4 ms 636 KB Output is correct
77 Correct 4 ms 632 KB Output is correct
78 Correct 4 ms 632 KB Output is correct
79 Correct 4 ms 632 KB Output is correct
80 Correct 89 ms 10488 KB Output is correct
81 Correct 85 ms 10712 KB Output is correct
82 Correct 85 ms 10868 KB Output is correct
83 Correct 85 ms 10864 KB Output is correct
84 Correct 3 ms 632 KB Output is correct
85 Correct 3 ms 504 KB Output is correct
86 Correct 3 ms 504 KB Output is correct
87 Correct 4 ms 632 KB Output is correct
88 Correct 3 ms 632 KB Output is correct
89 Correct 4 ms 672 KB Output is correct
90 Correct 4 ms 632 KB Output is correct
91 Correct 4 ms 632 KB Output is correct
92 Correct 4 ms 632 KB Output is correct
93 Correct 3 ms 632 KB Output is correct
94 Correct 2 ms 376 KB Output is correct
95 Correct 2 ms 376 KB Output is correct
96 Correct 2 ms 376 KB Output is correct
97 Correct 2 ms 376 KB Output is correct
98 Correct 2 ms 376 KB Output is correct
99 Correct 2 ms 376 KB Output is correct
100 Correct 2 ms 376 KB Output is correct
101 Correct 2 ms 376 KB Output is correct
102 Correct 2 ms 376 KB Output is correct
103 Correct 2 ms 376 KB Output is correct
104 Correct 10 ms 1656 KB Output is correct
105 Correct 19 ms 3576 KB Output is correct
106 Correct 2 ms 376 KB Output is correct
107 Correct 35 ms 5816 KB Output is correct
108 Correct 44 ms 7676 KB Output is correct
109 Correct 2 ms 380 KB Output is correct
110 Correct 63 ms 10244 KB Output is correct
111 Correct 71 ms 12392 KB Output is correct
112 Correct 2 ms 376 KB Output is correct
113 Correct 101 ms 16500 KB Output is correct
114 Execution timed out 1074 ms 6728 KB Time limit exceeded
115 Halted 0 ms 0 KB -