Submission #367134

# Submission time Handle Problem Language Result Execution time Memory
367134 2021-02-16T10:40:48 Z idk321 Dreaming (IOI13_dreaming) C++11
47 / 100
234 ms 38252 KB
    #include "dreaming.h"

    #include <bits/stdc++.h>
    using namespace std;

    int n, m, l;
    const int N =100005;
    bool vis[N];
    multiset<int> ms[N];
    vector<array<int, 2>> adj[N];
    vector<array<int, 2>> comp;

    int dfs1(int node, int par)
    {
        vis[node] = true;
        int res = 0;
        ms[node].insert(0);
        for (auto next : adj[node])
        {
            if (next[0] == par) continue;
            int cur = dfs1(next[0], node) + next[1];
            res = max(res, cur);
            ms[node].insert(cur);
        }

        return res;
    }

    int dfs2(int node, int par, int pdist)
    {

        if (par != -1)
        {
            int del = *ms[node].rbegin() + pdist;
            ms[par].erase(ms[par].find(del));
            ms[node].insert(*ms[par].rbegin() + pdist);
            ms[par].insert(del);
        }
        int res = *ms[node].rbegin();


        for (auto next : adj[node])
        {

            if (next[0] == par) continue;

            res = min(res, dfs2(next[0], node, next[1]));
        }


        return res;
    }

    array<int, 2> dfs3(int node, int par)
    {
        array<int, 2> best = {node, 0};
        for (auto next : adj[node])
        {
            if (next[0] == par) continue;
            auto cur = dfs3(next[0],node);
            cur[1] += next[1];
            if (cur[1] > best[1])
            {
                best = cur;
            }
        }

        return best;
    }

    int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
        n = N;
        m = M;
        l = L;
        for (int i = 0; i < m; i++)
        {

            adj[A[i]].push_back({B[i], T[i]});
            adj[B[i]].push_back({A[i], T[i]});
        }


        for (int i = 0; i < n; i++)
        {
            if (!vis[i])
            {
                dfs1(i, -1);
                int cent = dfs2(i, -1, -1);
                auto cur = dfs3(i, -1);
                int mdist = dfs3(cur[0], -1)[1];

                comp.push_back({cent, mdist});
            }
        }

        return max({comp[0][0] + comp[1][0] + l, comp[0][1], comp[1][1]});
    }
# Verdict Execution time Memory Grader output
1 Correct 174 ms 32736 KB Output is correct
2 Correct 156 ms 32748 KB Output is correct
3 Correct 94 ms 24172 KB Output is correct
4 Correct 19 ms 11116 KB Output is correct
5 Correct 16 ms 9708 KB Output is correct
6 Correct 32 ms 13292 KB Output is correct
7 Correct 7 ms 7404 KB Output is correct
8 Correct 71 ms 17516 KB Output is correct
9 Correct 89 ms 21612 KB Output is correct
10 Correct 6 ms 7532 KB Output is correct
11 Correct 142 ms 25964 KB Output is correct
12 Correct 184 ms 29804 KB Output is correct
13 Correct 6 ms 7660 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 5 ms 7404 KB Output is correct
4 Correct 5 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 6 ms 7404 KB Output is correct
7 Correct 6 ms 7404 KB Output is correct
8 Correct 5 ms 7404 KB Output is correct
9 Correct 5 ms 7404 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct
11 Correct 5 ms 7404 KB Output is correct
12 Correct 5 ms 7404 KB Output is correct
13 Correct 5 ms 7404 KB Output is correct
14 Correct 5 ms 7404 KB Output is correct
15 Correct 5 ms 7404 KB Output is correct
16 Correct 5 ms 7404 KB Output is correct
17 Correct 5 ms 7404 KB Output is correct
18 Correct 6 ms 7404 KB Output is correct
19 Correct 5 ms 7404 KB Output is correct
20 Correct 5 ms 7404 KB Output is correct
21 Correct 5 ms 7404 KB Output is correct
22 Correct 5 ms 7404 KB Output is correct
23 Correct 6 ms 7404 KB Output is correct
24 Correct 5 ms 7404 KB Output is correct
25 Correct 5 ms 7404 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 174 ms 32736 KB Output is correct
2 Correct 156 ms 32748 KB Output is correct
3 Correct 94 ms 24172 KB Output is correct
4 Correct 19 ms 11116 KB Output is correct
5 Correct 16 ms 9708 KB Output is correct
6 Correct 32 ms 13292 KB Output is correct
7 Correct 7 ms 7404 KB Output is correct
8 Correct 71 ms 17516 KB Output is correct
9 Correct 89 ms 21612 KB Output is correct
10 Correct 6 ms 7532 KB Output is correct
11 Correct 142 ms 25964 KB Output is correct
12 Correct 184 ms 29804 KB Output is correct
13 Correct 6 ms 7660 KB Output is correct
14 Correct 5 ms 7404 KB Output is correct
15 Correct 5 ms 7404 KB Output is correct
16 Correct 5 ms 7404 KB Output is correct
17 Correct 5 ms 7404 KB Output is correct
18 Correct 5 ms 7404 KB Output is correct
19 Correct 6 ms 7404 KB Output is correct
20 Correct 6 ms 7404 KB Output is correct
21 Correct 5 ms 7404 KB Output is correct
22 Correct 5 ms 7404 KB Output is correct
23 Correct 5 ms 7404 KB Output is correct
24 Correct 5 ms 7404 KB Output is correct
25 Correct 5 ms 7404 KB Output is correct
26 Correct 5 ms 7404 KB Output is correct
27 Correct 5 ms 7404 KB Output is correct
28 Correct 5 ms 7404 KB Output is correct
29 Correct 5 ms 7404 KB Output is correct
30 Correct 5 ms 7404 KB Output is correct
31 Correct 6 ms 7404 KB Output is correct
32 Correct 5 ms 7404 KB Output is correct
33 Correct 5 ms 7404 KB Output is correct
34 Correct 5 ms 7404 KB Output is correct
35 Correct 5 ms 7404 KB Output is correct
36 Correct 6 ms 7404 KB Output is correct
37 Correct 5 ms 7404 KB Output is correct
38 Correct 5 ms 7404 KB Output is correct
39 Correct 163 ms 34028 KB Output is correct
40 Correct 165 ms 34028 KB Output is correct
41 Correct 94 ms 24960 KB Output is correct
42 Correct 19 ms 11244 KB Output is correct
43 Correct 5 ms 7404 KB Output is correct
44 Correct 5 ms 7404 KB Output is correct
45 Correct 6 ms 7404 KB Output is correct
46 Correct 5 ms 7404 KB Output is correct
47 Correct 5 ms 7404 KB Output is correct
48 Correct 6 ms 7404 KB Output is correct
49 Correct 5 ms 7404 KB Output is correct
50 Correct 6 ms 7404 KB Output is correct
51 Correct 5 ms 7404 KB Output is correct
52 Correct 5 ms 7404 KB Output is correct
53 Correct 6 ms 7404 KB Output is correct
54 Correct 6 ms 7404 KB Output is correct
55 Correct 5 ms 7404 KB Output is correct
56 Correct 6 ms 7404 KB Output is correct
57 Correct 202 ms 28012 KB Output is correct
58 Correct 202 ms 28012 KB Output is correct
59 Correct 193 ms 28140 KB Output is correct
60 Correct 205 ms 28012 KB Output is correct
61 Correct 212 ms 28140 KB Output is correct
62 Correct 193 ms 28268 KB Output is correct
63 Correct 183 ms 27756 KB Output is correct
64 Correct 186 ms 27884 KB Output is correct
65 Correct 229 ms 28084 KB Output is correct
66 Correct 186 ms 28012 KB Output is correct
67 Correct 201 ms 28012 KB Output is correct
68 Correct 189 ms 28012 KB Output is correct
69 Correct 213 ms 28396 KB Output is correct
70 Correct 202 ms 28268 KB Output is correct
71 Correct 5 ms 7404 KB Output is correct
72 Correct 9 ms 8044 KB Output is correct
73 Correct 9 ms 8044 KB Output is correct
74 Correct 8 ms 8044 KB Output is correct
75 Correct 9 ms 8044 KB Output is correct
76 Correct 8 ms 8044 KB Output is correct
77 Correct 8 ms 8044 KB Output is correct
78 Correct 8 ms 8044 KB Output is correct
79 Correct 9 ms 8044 KB Output is correct
80 Correct 192 ms 28012 KB Output is correct
81 Correct 208 ms 28012 KB Output is correct
82 Correct 196 ms 28140 KB Output is correct
83 Correct 193 ms 28184 KB Output is correct
84 Correct 8 ms 7916 KB Output is correct
85 Correct 7 ms 7788 KB Output is correct
86 Correct 8 ms 7916 KB Output is correct
87 Correct 8 ms 7916 KB Output is correct
88 Correct 8 ms 7860 KB Output is correct
89 Correct 9 ms 7916 KB Output is correct
90 Correct 10 ms 7916 KB Output is correct
91 Correct 9 ms 8044 KB Output is correct
92 Correct 8 ms 7916 KB Output is correct
93 Correct 8 ms 7916 KB Output is correct
94 Correct 5 ms 7404 KB Output is correct
95 Correct 5 ms 7404 KB Output is correct
96 Correct 6 ms 7404 KB Output is correct
97 Correct 5 ms 7404 KB Output is correct
98 Correct 5 ms 7404 KB Output is correct
99 Correct 5 ms 7404 KB Output is correct
100 Correct 7 ms 7532 KB Output is correct
101 Correct 7 ms 7404 KB Output is correct
102 Correct 5 ms 7404 KB Output is correct
103 Correct 5 ms 7404 KB Output is correct
104 Correct 16 ms 9836 KB Output is correct
105 Correct 33 ms 13440 KB Output is correct
106 Correct 6 ms 7552 KB Output is correct
107 Correct 67 ms 17516 KB Output is correct
108 Correct 92 ms 21612 KB Output is correct
109 Correct 6 ms 7532 KB Output is correct
110 Correct 145 ms 25964 KB Output is correct
111 Correct 165 ms 29804 KB Output is correct
112 Correct 7 ms 7808 KB Output is correct
113 Correct 234 ms 38252 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 51 ms 17640 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 5 ms 7404 KB Output is correct
2 Correct 5 ms 7404 KB Output is correct
3 Correct 5 ms 7404 KB Output is correct
4 Correct 5 ms 7404 KB Output is correct
5 Correct 5 ms 7404 KB Output is correct
6 Correct 6 ms 7404 KB Output is correct
7 Correct 6 ms 7404 KB Output is correct
8 Correct 5 ms 7404 KB Output is correct
9 Correct 5 ms 7404 KB Output is correct
10 Correct 5 ms 7404 KB Output is correct
11 Correct 5 ms 7404 KB Output is correct
12 Correct 5 ms 7404 KB Output is correct
13 Correct 5 ms 7404 KB Output is correct
14 Correct 5 ms 7404 KB Output is correct
15 Correct 5 ms 7404 KB Output is correct
16 Correct 5 ms 7404 KB Output is correct
17 Correct 5 ms 7404 KB Output is correct
18 Correct 6 ms 7404 KB Output is correct
19 Correct 5 ms 7404 KB Output is correct
20 Correct 5 ms 7404 KB Output is correct
21 Correct 5 ms 7404 KB Output is correct
22 Correct 5 ms 7404 KB Output is correct
23 Correct 6 ms 7404 KB Output is correct
24 Correct 5 ms 7404 KB Output is correct
25 Correct 5 ms 7404 KB Output is correct
26 Incorrect 6 ms 7532 KB Output isn't correct
27 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 174 ms 32736 KB Output is correct
2 Correct 156 ms 32748 KB Output is correct
3 Correct 94 ms 24172 KB Output is correct
4 Correct 19 ms 11116 KB Output is correct
5 Correct 16 ms 9708 KB Output is correct
6 Correct 32 ms 13292 KB Output is correct
7 Correct 7 ms 7404 KB Output is correct
8 Correct 71 ms 17516 KB Output is correct
9 Correct 89 ms 21612 KB Output is correct
10 Correct 6 ms 7532 KB Output is correct
11 Correct 142 ms 25964 KB Output is correct
12 Correct 184 ms 29804 KB Output is correct
13 Correct 6 ms 7660 KB Output is correct
14 Correct 5 ms 7404 KB Output is correct
15 Correct 5 ms 7404 KB Output is correct
16 Correct 5 ms 7404 KB Output is correct
17 Correct 5 ms 7404 KB Output is correct
18 Correct 5 ms 7404 KB Output is correct
19 Correct 6 ms 7404 KB Output is correct
20 Correct 6 ms 7404 KB Output is correct
21 Correct 5 ms 7404 KB Output is correct
22 Correct 5 ms 7404 KB Output is correct
23 Correct 5 ms 7404 KB Output is correct
24 Correct 5 ms 7404 KB Output is correct
25 Correct 5 ms 7404 KB Output is correct
26 Correct 5 ms 7404 KB Output is correct
27 Correct 5 ms 7404 KB Output is correct
28 Correct 5 ms 7404 KB Output is correct
29 Correct 5 ms 7404 KB Output is correct
30 Correct 5 ms 7404 KB Output is correct
31 Correct 6 ms 7404 KB Output is correct
32 Correct 5 ms 7404 KB Output is correct
33 Correct 5 ms 7404 KB Output is correct
34 Correct 5 ms 7404 KB Output is correct
35 Correct 5 ms 7404 KB Output is correct
36 Correct 6 ms 7404 KB Output is correct
37 Correct 5 ms 7404 KB Output is correct
38 Correct 5 ms 7404 KB Output is correct
39 Correct 163 ms 34028 KB Output is correct
40 Correct 165 ms 34028 KB Output is correct
41 Correct 94 ms 24960 KB Output is correct
42 Correct 19 ms 11244 KB Output is correct
43 Correct 5 ms 7404 KB Output is correct
44 Correct 5 ms 7404 KB Output is correct
45 Correct 6 ms 7404 KB Output is correct
46 Correct 5 ms 7404 KB Output is correct
47 Correct 5 ms 7404 KB Output is correct
48 Correct 6 ms 7404 KB Output is correct
49 Correct 5 ms 7404 KB Output is correct
50 Correct 6 ms 7404 KB Output is correct
51 Correct 5 ms 7404 KB Output is correct
52 Correct 5 ms 7404 KB Output is correct
53 Correct 6 ms 7404 KB Output is correct
54 Correct 6 ms 7404 KB Output is correct
55 Correct 5 ms 7404 KB Output is correct
56 Correct 6 ms 7404 KB Output is correct
57 Correct 202 ms 28012 KB Output is correct
58 Correct 202 ms 28012 KB Output is correct
59 Correct 193 ms 28140 KB Output is correct
60 Correct 205 ms 28012 KB Output is correct
61 Correct 212 ms 28140 KB Output is correct
62 Correct 193 ms 28268 KB Output is correct
63 Correct 183 ms 27756 KB Output is correct
64 Correct 186 ms 27884 KB Output is correct
65 Correct 229 ms 28084 KB Output is correct
66 Correct 186 ms 28012 KB Output is correct
67 Correct 201 ms 28012 KB Output is correct
68 Correct 189 ms 28012 KB Output is correct
69 Correct 213 ms 28396 KB Output is correct
70 Correct 202 ms 28268 KB Output is correct
71 Correct 5 ms 7404 KB Output is correct
72 Correct 9 ms 8044 KB Output is correct
73 Correct 9 ms 8044 KB Output is correct
74 Correct 8 ms 8044 KB Output is correct
75 Correct 9 ms 8044 KB Output is correct
76 Correct 8 ms 8044 KB Output is correct
77 Correct 8 ms 8044 KB Output is correct
78 Correct 8 ms 8044 KB Output is correct
79 Correct 9 ms 8044 KB Output is correct
80 Correct 192 ms 28012 KB Output is correct
81 Correct 208 ms 28012 KB Output is correct
82 Correct 196 ms 28140 KB Output is correct
83 Correct 193 ms 28184 KB Output is correct
84 Correct 8 ms 7916 KB Output is correct
85 Correct 7 ms 7788 KB Output is correct
86 Correct 8 ms 7916 KB Output is correct
87 Correct 8 ms 7916 KB Output is correct
88 Correct 8 ms 7860 KB Output is correct
89 Correct 9 ms 7916 KB Output is correct
90 Correct 10 ms 7916 KB Output is correct
91 Correct 9 ms 8044 KB Output is correct
92 Correct 8 ms 7916 KB Output is correct
93 Correct 8 ms 7916 KB Output is correct
94 Correct 5 ms 7404 KB Output is correct
95 Correct 5 ms 7404 KB Output is correct
96 Correct 6 ms 7404 KB Output is correct
97 Correct 5 ms 7404 KB Output is correct
98 Correct 5 ms 7404 KB Output is correct
99 Correct 5 ms 7404 KB Output is correct
100 Correct 7 ms 7532 KB Output is correct
101 Correct 7 ms 7404 KB Output is correct
102 Correct 5 ms 7404 KB Output is correct
103 Correct 5 ms 7404 KB Output is correct
104 Correct 16 ms 9836 KB Output is correct
105 Correct 33 ms 13440 KB Output is correct
106 Correct 6 ms 7552 KB Output is correct
107 Correct 67 ms 17516 KB Output is correct
108 Correct 92 ms 21612 KB Output is correct
109 Correct 6 ms 7532 KB Output is correct
110 Correct 145 ms 25964 KB Output is correct
111 Correct 165 ms 29804 KB Output is correct
112 Correct 7 ms 7808 KB Output is correct
113 Correct 234 ms 38252 KB Output is correct
114 Incorrect 51 ms 17640 KB Output isn't correct
115 Halted 0 ms 0 KB -