oj.uz

Submission #1081501

# Submission time Handle Problem Language Result Execution time Memory
1081501 2024-08-30T06:18:33 Z asdasdqwer Dreaming (IOI13_dreaming) C++14
47 / 100
 56 ms 17492 KB 
#include <bits/stdc++.h>
using namespace std;

#include "dreaming.h"

#define pii array<int,2>
#define ll long long

vector<vector<pii>> g;
vector<bool> vis;
vector<int> dis1, dis2, dis3;

pii dfs(int node, int p, vector<int> &dis) {
    vis[node]=true;
    pii ret = {dis[node], node};
    for (auto [ne, we] : g[node]) {
        if (ne == p) continue;
        dis[ne] = dis[node] + we;
        ret = max(ret, dfs(ne, node, dis));
    }
    return ret;
}

int get_diam(int node, int p, vector<int> &d1, vector<int> &d2) {
    int ret = max(d1[node], d2[node]);
    for (auto [ne, we] : g[node]) {
        if (ne == p) continue;
        ret = min(ret, get_diam(ne, node, d1, d2));
    }
    return ret;
}

pii diameter(int node) {
    dis1[node]=0;

    auto [d1, n1] = dfs(node, -1, dis1);
    auto [d2, n2] = dfs(n1, -1, dis2);
    auto [d3, n3] = dfs(n2, -1, dis3);

    return {get_diam(node, -1, dis2, dis3), d3};
}

int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
    g.resize(N);
    dis1.assign(N, 0);
    dis2.assign(N, 0);
    dis3.assign(N, 0);

    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]});
    }
    vis.assign(N, false);

    vector<pii> dia;
    for (int i=0;i<N;i++) {
        if (vis[i]) continue;
        dia.push_back(diameter(i));
    }
    sort(dia.begin(), dia.end(), greater<pii>());

    // for (int &x:dia) {
    //   cout << x << " ";
    // }
    // cout<<"\n";
    return max(dia[0][0] + dia[1][0] + L, max(dia[0][1], dia[1][1]));
}

Compilation message

dreaming.cpp: In function 'std::array<int, 2> dfs(int, int, std::vector<int>&)':
dreaming.cpp:16:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   16 |     for (auto [ne, we] : g[node]) {
      |               ^
dreaming.cpp: In function 'int get_diam(int, int, std::vector<int>&, std::vector<int>&)':
dreaming.cpp:26:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   26 |     for (auto [ne, we] : g[node]) {
      |               ^
dreaming.cpp: In function 'std::array<int, 2> diameter(int)':
dreaming.cpp:36:10: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   36 |     auto [d1, n1] = dfs(node, -1, dis1);
      |          ^
dreaming.cpp:37:10: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   37 |     auto [d2, n2] = dfs(n1, -1, dis2);
      |          ^
dreaming.cpp:38:10: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   38 |     auto [d3, n3] = dfs(n2, -1, dis3);
      |          ^

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 15944 KB Output is correct
2 Correct 35 ms 15696 KB Output is correct
3 Correct 24 ms 10720 KB Output is correct
4 Correct 6 ms 2652 KB Output is correct
5 Correct 5 ms 1624 KB Output is correct
6 Correct 10 ms 3668 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 20 ms 5796 KB Output is correct
9 Correct 26 ms 8024 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 36 ms 10772 KB Output is correct
12 Correct 39 ms 13128 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# 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 0 ms 348 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 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 15944 KB Output is correct
2 Correct 35 ms 15696 KB Output is correct
3 Correct 24 ms 10720 KB Output is correct
4 Correct 6 ms 2652 KB Output is correct
5 Correct 5 ms 1624 KB Output is correct
6 Correct 10 ms 3668 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 20 ms 5796 KB Output is correct
9 Correct 26 ms 8024 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 36 ms 10772 KB Output is correct
12 Correct 39 ms 13128 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 444 KB Output is correct
16 Correct 0 ms 348 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 348 KB Output is correct
20 Correct 0 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 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 43 ms 15788 KB Output is correct
40 Correct 35 ms 15820 KB Output is correct
41 Correct 24 ms 10580 KB Output is correct
42 Correct 6 ms 2648 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 0 ms 444 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 1 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 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 56 ms 10472 KB Output is correct
58 Correct 49 ms 10320 KB Output is correct
59 Correct 43 ms 10320 KB Output is correct
60 Correct 46 ms 10324 KB Output is correct
61 Correct 43 ms 10332 KB Output is correct
62 Correct 45 ms 10324 KB Output is correct
63 Correct 43 ms 10064 KB Output is correct
64 Correct 38 ms 10064 KB Output is correct
65 Correct 46 ms 10440 KB Output is correct
66 Correct 43 ms 10292 KB Output is correct
67 Correct 44 ms 10332 KB Output is correct
68 Correct 44 ms 10376 KB Output is correct
69 Correct 54 ms 10580 KB Output is correct
70 Correct 45 ms 10584 KB Output is correct
71 Correct 0 ms 344 KB Output is correct
72 Correct 1 ms 604 KB Output is correct
73 Correct 1 ms 604 KB Output is correct
74 Correct 1 ms 604 KB Output is correct
75 Correct 1 ms 500 KB Output is correct
76 Correct 1 ms 604 KB Output is correct
77 Correct 1 ms 604 KB Output is correct
78 Correct 1 ms 604 KB Output is correct
79 Correct 2 ms 600 KB Output is correct
80 Correct 50 ms 10288 KB Output is correct
81 Correct 48 ms 10324 KB Output is correct
82 Correct 46 ms 10332 KB Output is correct
83 Correct 43 ms 10320 KB Output is correct
84 Correct 1 ms 600 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 1 ms 604 KB Output is correct
87 Correct 1 ms 604 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 1 ms 604 KB Output is correct
90 Correct 1 ms 604 KB Output is correct
91 Correct 2 ms 600 KB Output is correct
92 Correct 2 ms 604 KB Output is correct
93 Correct 1 ms 720 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 0 ms 348 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 444 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 4 ms 1628 KB Output is correct
105 Correct 12 ms 3676 KB Output is correct
106 Correct 1 ms 348 KB Output is correct
107 Correct 20 ms 5760 KB Output is correct
108 Correct 28 ms 7964 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 36 ms 10792 KB Output is correct
111 Correct 41 ms 13144 KB Output is correct
112 Correct 1 ms 348 KB Output is correct
113 Correct 53 ms 17492 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 7136 KB Output is correct
2 Incorrect 16 ms 7128 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 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 0 ms 348 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 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 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 1 ms 604 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Incorrect 1 ms 348 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 15944 KB Output is correct
2 Correct 35 ms 15696 KB Output is correct
3 Correct 24 ms 10720 KB Output is correct
4 Correct 6 ms 2652 KB Output is correct
5 Correct 5 ms 1624 KB Output is correct
6 Correct 10 ms 3668 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 20 ms 5796 KB Output is correct
9 Correct 26 ms 8024 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 36 ms 10772 KB Output is correct
12 Correct 39 ms 13128 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 444 KB Output is correct
16 Correct 0 ms 348 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 348 KB Output is correct
20 Correct 0 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 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 43 ms 15788 KB Output is correct
40 Correct 35 ms 15820 KB Output is correct
41 Correct 24 ms 10580 KB Output is correct
42 Correct 6 ms 2648 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 0 ms 444 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 1 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 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 56 ms 10472 KB Output is correct
58 Correct 49 ms 10320 KB Output is correct
59 Correct 43 ms 10320 KB Output is correct
60 Correct 46 ms 10324 KB Output is correct
61 Correct 43 ms 10332 KB Output is correct
62 Correct 45 ms 10324 KB Output is correct
63 Correct 43 ms 10064 KB Output is correct
64 Correct 38 ms 10064 KB Output is correct
65 Correct 46 ms 10440 KB Output is correct
66 Correct 43 ms 10292 KB Output is correct
67 Correct 44 ms 10332 KB Output is correct
68 Correct 44 ms 10376 KB Output is correct
69 Correct 54 ms 10580 KB Output is correct
70 Correct 45 ms 10584 KB Output is correct
71 Correct 0 ms 344 KB Output is correct
72 Correct 1 ms 604 KB Output is correct
73 Correct 1 ms 604 KB Output is correct
74 Correct 1 ms 604 KB Output is correct
75 Correct 1 ms 500 KB Output is correct
76 Correct 1 ms 604 KB Output is correct
77 Correct 1 ms 604 KB Output is correct
78 Correct 1 ms 604 KB Output is correct
79 Correct 2 ms 600 KB Output is correct
80 Correct 50 ms 10288 KB Output is correct
81 Correct 48 ms 10324 KB Output is correct
82 Correct 46 ms 10332 KB Output is correct
83 Correct 43 ms 10320 KB Output is correct
84 Correct 1 ms 600 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 1 ms 604 KB Output is correct
87 Correct 1 ms 604 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 1 ms 604 KB Output is correct
90 Correct 1 ms 604 KB Output is correct
91 Correct 2 ms 600 KB Output is correct
92 Correct 2 ms 604 KB Output is correct
93 Correct 1 ms 720 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 0 ms 348 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 444 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 4 ms 1628 KB Output is correct
105 Correct 12 ms 3676 KB Output is correct
106 Correct 1 ms 348 KB Output is correct
107 Correct 20 ms 5760 KB Output is correct
108 Correct 28 ms 7964 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 36 ms 10792 KB Output is correct
111 Correct 41 ms 13144 KB Output is correct
112 Correct 1 ms 348 KB Output is correct
113 Correct 53 ms 17492 KB Output is correct
114 Correct 23 ms 7136 KB Output is correct
115 Incorrect 16 ms 7128 KB Output isn't correct
116 Halted 0 ms 0 KB -