oj.uz

Submission #830965

# Submission time Handle Problem Language Result Execution time Memory
830965 2023-08-19T13:52:40 Z Kerim Dreaming (IOI13_dreaming) C++17
47 / 100
 69 ms 12560 KB 
#include "dreaming.h"
#include "bits/stdc++.h"
using namespace std;
typedef pair<int, int> pii;
const int N = 1e5+5;
vector<pii> adj[N];
vector<int> members;
bool vis[N];

void dfs0(int nd, int pr){
    vis[nd] = 1;
    members.push_back(nd);
    for (auto [to, w]: adj[nd])
        if (to != pr)
            dfs0(to, nd);
}
int max_weight, endpoint, dp[N];
void dfs(int nd, int pr, int weight){
    if (weight > max_weight){
        max_weight = weight;
        endpoint = nd;
    }
    dp[nd] = max(dp[nd], weight);
    for (auto [to, w]: adj[nd])
        if (to != pr)
            dfs(to, nd, weight+w);
}

int travelTime(int n, int m, int L, int A[], int B[], int T[]) {
    for (int i = 0; i < m; i++){
        int u = A[i], v = B[i], w = T[i];
        adj[u].push_back({v, w});
        adj[v].push_back({u, w});
    }
    vector<int> roots;
    for (int i = 0; i < n; i++)
        if (!vis[i]){
            dfs0(i, -1);
            roots.push_back(i);
        }
    vector<int> w;
    int D = 0;
    for (auto root: roots){
        members.clear();
        dfs0(root, -1);

        max_weight = 0;
        dfs(root, -1, 0);
        int a = endpoint; 
        max_weight = 0;
        dfs(endpoint, -1, 0);
        int b = endpoint;
        D = max(D, max_weight);
        dfs(a, -1, 0);
        dfs(b, -1, 0);

        int value = INT_MAX;
        for (auto member: members)
            if (value > dp[member])
                value = dp[member];
        w.push_back(value);
    }
    sort(w.rbegin(), w.rend());
    int c = roots.size();
    int answer = D;
    if (c >= 2)
        answer = max(answer, w[0] + w[1] + L);
    if (c >= 3)
        answer = max(answer, w[0] + w[2] + 2*L);
    return answer;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 11860 KB Output is correct
2 Correct 36 ms 11744 KB Output is correct
3 Correct 24 ms 8576 KB Output is correct
4 Correct 6 ms 4052 KB Output is correct
5 Correct 5 ms 3496 KB Output is correct
6 Correct 11 ms 4712 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 20 ms 6004 KB Output is correct
9 Correct 26 ms 7252 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 37 ms 8584 KB Output is correct
12 Correct 41 ms 10172 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 1 ms 2644 KB Output is correct
12 Correct 1 ms 2644 KB Output is correct
13 Correct 1 ms 2612 KB Output is correct
14 Correct 1 ms 2636 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 1 ms 2644 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2644 KB Output is correct
22 Correct 1 ms 2644 KB Output is correct
23 Correct 1 ms 2644 KB Output is correct
24 Correct 1 ms 2644 KB Output is correct
25 Correct 1 ms 2644 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 11860 KB Output is correct
2 Correct 36 ms 11744 KB Output is correct
3 Correct 24 ms 8576 KB Output is correct
4 Correct 6 ms 4052 KB Output is correct
5 Correct 5 ms 3496 KB Output is correct
6 Correct 11 ms 4712 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 20 ms 6004 KB Output is correct
9 Correct 26 ms 7252 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 37 ms 8584 KB Output is correct
12 Correct 41 ms 10172 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 1 ms 2644 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2644 KB Output is correct
22 Correct 1 ms 2644 KB Output is correct
23 Correct 1 ms 2644 KB Output is correct
24 Correct 1 ms 2644 KB Output is correct
25 Correct 1 ms 2644 KB Output is correct
26 Correct 1 ms 2612 KB Output is correct
27 Correct 1 ms 2636 KB Output is correct
28 Correct 1 ms 2644 KB Output is correct
29 Correct 1 ms 2644 KB Output is correct
30 Correct 1 ms 2644 KB Output is correct
31 Correct 1 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 1 ms 2644 KB Output is correct
34 Correct 1 ms 2644 KB Output is correct
35 Correct 1 ms 2644 KB Output is correct
36 Correct 1 ms 2644 KB Output is correct
37 Correct 1 ms 2644 KB Output is correct
38 Correct 1 ms 2644 KB Output is correct
39 Correct 36 ms 11780 KB Output is correct
40 Correct 35 ms 11704 KB Output is correct
41 Correct 26 ms 8680 KB Output is correct
42 Correct 6 ms 4052 KB Output is correct
43 Correct 1 ms 2644 KB Output is correct
44 Correct 1 ms 2644 KB Output is correct
45 Correct 1 ms 2644 KB Output is correct
46 Correct 1 ms 2644 KB Output is correct
47 Correct 1 ms 2644 KB Output is correct
48 Correct 1 ms 2644 KB Output is correct
49 Correct 1 ms 2644 KB Output is correct
50 Correct 1 ms 2644 KB Output is correct
51 Correct 1 ms 2644 KB Output is correct
52 Correct 1 ms 2644 KB Output is correct
53 Correct 1 ms 2644 KB Output is correct
54 Correct 1 ms 2644 KB Output is correct
55 Correct 1 ms 2644 KB Output is correct
56 Correct 1 ms 2644 KB Output is correct
57 Correct 49 ms 8816 KB Output is correct
58 Correct 47 ms 8776 KB Output is correct
59 Correct 49 ms 8728 KB Output is correct
60 Correct 60 ms 8668 KB Output is correct
61 Correct 46 ms 8560 KB Output is correct
62 Correct 47 ms 8660 KB Output is correct
63 Correct 44 ms 8376 KB Output is correct
64 Correct 51 ms 8384 KB Output is correct
65 Correct 44 ms 8388 KB Output is correct
66 Correct 45 ms 8492 KB Output is correct
67 Correct 49 ms 8656 KB Output is correct
68 Correct 49 ms 8712 KB Output is correct
69 Correct 58 ms 8704 KB Output is correct
70 Correct 50 ms 8696 KB Output is correct
71 Correct 1 ms 2644 KB Output is correct
72 Correct 4 ms 2772 KB Output is correct
73 Correct 2 ms 2772 KB Output is correct
74 Correct 2 ms 2772 KB Output is correct
75 Correct 2 ms 2772 KB Output is correct
76 Correct 2 ms 2772 KB Output is correct
77 Correct 2 ms 2772 KB Output is correct
78 Correct 2 ms 2772 KB Output is correct
79 Correct 2 ms 2772 KB Output is correct
80 Correct 49 ms 8652 KB Output is correct
81 Correct 49 ms 8692 KB Output is correct
82 Correct 45 ms 8568 KB Output is correct
83 Correct 62 ms 8752 KB Output is correct
84 Correct 2 ms 2772 KB Output is correct
85 Correct 2 ms 2772 KB Output is correct
86 Correct 2 ms 2772 KB Output is correct
87 Correct 2 ms 2772 KB Output is correct
88 Correct 2 ms 2772 KB Output is correct
89 Correct 2 ms 2772 KB Output is correct
90 Correct 2 ms 2772 KB Output is correct
91 Correct 2 ms 2772 KB Output is correct
92 Correct 2 ms 2772 KB Output is correct
93 Correct 2 ms 2772 KB Output is correct
94 Correct 1 ms 2644 KB Output is correct
95 Correct 1 ms 2644 KB Output is correct
96 Correct 1 ms 2644 KB Output is correct
97 Correct 1 ms 2644 KB Output is correct
98 Correct 1 ms 2644 KB Output is correct
99 Correct 1 ms 2644 KB Output is correct
100 Correct 1 ms 2644 KB Output is correct
101 Correct 1 ms 2644 KB Output is correct
102 Correct 1 ms 2644 KB Output is correct
103 Correct 1 ms 2644 KB Output is correct
104 Correct 6 ms 3412 KB Output is correct
105 Correct 12 ms 4692 KB Output is correct
106 Correct 1 ms 2644 KB Output is correct
107 Correct 21 ms 5980 KB Output is correct
108 Correct 26 ms 7156 KB Output is correct
109 Correct 2 ms 2644 KB Output is correct
110 Correct 39 ms 8656 KB Output is correct
111 Correct 42 ms 10076 KB Output is correct
112 Correct 1 ms 2644 KB Output is correct
113 Correct 69 ms 12560 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 6476 KB Output is correct
2 Incorrect 16 ms 7000 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 1 ms 2644 KB Output is correct
12 Correct 1 ms 2644 KB Output is correct
13 Correct 1 ms 2612 KB Output is correct
14 Correct 1 ms 2636 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 1 ms 2644 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2644 KB Output is correct
22 Correct 1 ms 2644 KB Output is correct
23 Correct 1 ms 2644 KB Output is correct
24 Correct 1 ms 2644 KB Output is correct
25 Correct 1 ms 2644 KB Output is correct
26 Correct 1 ms 2644 KB Output is correct
27 Correct 2 ms 2772 KB Output is correct
28 Correct 2 ms 2772 KB Output is correct
29 Correct 1 ms 2644 KB Output is correct
30 Correct 2 ms 2772 KB Output is correct
31 Correct 2 ms 2796 KB Output is correct
32 Incorrect 2 ms 2664 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 11860 KB Output is correct
2 Correct 36 ms 11744 KB Output is correct
3 Correct 24 ms 8576 KB Output is correct
4 Correct 6 ms 4052 KB Output is correct
5 Correct 5 ms 3496 KB Output is correct
6 Correct 11 ms 4712 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 20 ms 6004 KB Output is correct
9 Correct 26 ms 7252 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 37 ms 8584 KB Output is correct
12 Correct 41 ms 10172 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 1 ms 2644 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2644 KB Output is correct
22 Correct 1 ms 2644 KB Output is correct
23 Correct 1 ms 2644 KB Output is correct
24 Correct 1 ms 2644 KB Output is correct
25 Correct 1 ms 2644 KB Output is correct
26 Correct 1 ms 2612 KB Output is correct
27 Correct 1 ms 2636 KB Output is correct
28 Correct 1 ms 2644 KB Output is correct
29 Correct 1 ms 2644 KB Output is correct
30 Correct 1 ms 2644 KB Output is correct
31 Correct 1 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 1 ms 2644 KB Output is correct
34 Correct 1 ms 2644 KB Output is correct
35 Correct 1 ms 2644 KB Output is correct
36 Correct 1 ms 2644 KB Output is correct
37 Correct 1 ms 2644 KB Output is correct
38 Correct 1 ms 2644 KB Output is correct
39 Correct 36 ms 11780 KB Output is correct
40 Correct 35 ms 11704 KB Output is correct
41 Correct 26 ms 8680 KB Output is correct
42 Correct 6 ms 4052 KB Output is correct
43 Correct 1 ms 2644 KB Output is correct
44 Correct 1 ms 2644 KB Output is correct
45 Correct 1 ms 2644 KB Output is correct
46 Correct 1 ms 2644 KB Output is correct
47 Correct 1 ms 2644 KB Output is correct
48 Correct 1 ms 2644 KB Output is correct
49 Correct 1 ms 2644 KB Output is correct
50 Correct 1 ms 2644 KB Output is correct
51 Correct 1 ms 2644 KB Output is correct
52 Correct 1 ms 2644 KB Output is correct
53 Correct 1 ms 2644 KB Output is correct
54 Correct 1 ms 2644 KB Output is correct
55 Correct 1 ms 2644 KB Output is correct
56 Correct 1 ms 2644 KB Output is correct
57 Correct 49 ms 8816 KB Output is correct
58 Correct 47 ms 8776 KB Output is correct
59 Correct 49 ms 8728 KB Output is correct
60 Correct 60 ms 8668 KB Output is correct
61 Correct 46 ms 8560 KB Output is correct
62 Correct 47 ms 8660 KB Output is correct
63 Correct 44 ms 8376 KB Output is correct
64 Correct 51 ms 8384 KB Output is correct
65 Correct 44 ms 8388 KB Output is correct
66 Correct 45 ms 8492 KB Output is correct
67 Correct 49 ms 8656 KB Output is correct
68 Correct 49 ms 8712 KB Output is correct
69 Correct 58 ms 8704 KB Output is correct
70 Correct 50 ms 8696 KB Output is correct
71 Correct 1 ms 2644 KB Output is correct
72 Correct 4 ms 2772 KB Output is correct
73 Correct 2 ms 2772 KB Output is correct
74 Correct 2 ms 2772 KB Output is correct
75 Correct 2 ms 2772 KB Output is correct
76 Correct 2 ms 2772 KB Output is correct
77 Correct 2 ms 2772 KB Output is correct
78 Correct 2 ms 2772 KB Output is correct
79 Correct 2 ms 2772 KB Output is correct
80 Correct 49 ms 8652 KB Output is correct
81 Correct 49 ms 8692 KB Output is correct
82 Correct 45 ms 8568 KB Output is correct
83 Correct 62 ms 8752 KB Output is correct
84 Correct 2 ms 2772 KB Output is correct
85 Correct 2 ms 2772 KB Output is correct
86 Correct 2 ms 2772 KB Output is correct
87 Correct 2 ms 2772 KB Output is correct
88 Correct 2 ms 2772 KB Output is correct
89 Correct 2 ms 2772 KB Output is correct
90 Correct 2 ms 2772 KB Output is correct
91 Correct 2 ms 2772 KB Output is correct
92 Correct 2 ms 2772 KB Output is correct
93 Correct 2 ms 2772 KB Output is correct
94 Correct 1 ms 2644 KB Output is correct
95 Correct 1 ms 2644 KB Output is correct
96 Correct 1 ms 2644 KB Output is correct
97 Correct 1 ms 2644 KB Output is correct
98 Correct 1 ms 2644 KB Output is correct
99 Correct 1 ms 2644 KB Output is correct
100 Correct 1 ms 2644 KB Output is correct
101 Correct 1 ms 2644 KB Output is correct
102 Correct 1 ms 2644 KB Output is correct
103 Correct 1 ms 2644 KB Output is correct
104 Correct 6 ms 3412 KB Output is correct
105 Correct 12 ms 4692 KB Output is correct
106 Correct 1 ms 2644 KB Output is correct
107 Correct 21 ms 5980 KB Output is correct
108 Correct 26 ms 7156 KB Output is correct
109 Correct 2 ms 2644 KB Output is correct
110 Correct 39 ms 8656 KB Output is correct
111 Correct 42 ms 10076 KB Output is correct
112 Correct 1 ms 2644 KB Output is correct
113 Correct 69 ms 12560 KB Output is correct
114 Correct 16 ms 6476 KB Output is correct
115 Incorrect 16 ms 7000 KB Output isn't correct
116 Halted 0 ms 0 KB -