oj.uz

Submission #669507

# Submission time Handle Problem Language Result Execution time Memory
669507 2022-12-06T15:24:14 Z a_aguilo Dreaming (IOI13_dreaming) C++14
47 / 100
 124 ms 24012 KB 
#include "dreaming.h"
#include<bits/stdc++.h>

using namespace std;

int diameter;
vector<vector<int>> AdjList, Weights;
vector<int> component, father, distFather, LongestDepth, NodeForLongestDepth, SecondLongestDepth;

void dfs(int node){
    LongestDepth[node] = 0;
    SecondLongestDepth[node] = 0;
    for(int next = 0; next < AdjList[node].size(); ++next){
        int neighbour = AdjList[node][next];
        int time = Weights[node][next];
        if(neighbour == father[node]) continue;
        father[neighbour] = node;
        distFather[neighbour] = time;
        component[neighbour] = component[node];
        dfs(neighbour);
        int DepthNeighbour = LongestDepth[neighbour] + time;
        if(DepthNeighbour >= LongestDepth[node]){
            SecondLongestDepth[node] = LongestDepth[node];
            LongestDepth[node] = DepthNeighbour;
            NodeForLongestDepth[node] = neighbour;
        }else if(DepthNeighbour >= SecondLongestDepth[node]){
            SecondLongestDepth[node] = DepthNeighbour;
        }
    }
}

int getDepthComponent(int node){
    
    if(father[node] != node){
        int predecesor = father[node];
        int optative = 0;
        if(node != NodeForLongestDepth[predecesor]) optative = LongestDepth[predecesor]+distFather[node];
        else optative = SecondLongestDepth[predecesor]+distFather[node];
        if(optative >= LongestDepth[node]){
            SecondLongestDepth[node] = LongestDepth[node];
            LongestDepth[node] = optative;
            NodeForLongestDepth[node] = predecesor;
        }else if(optative >= SecondLongestDepth[node]) SecondLongestDepth[node] = optative;
    }
    int ans = LongestDepth[node];
    diameter = max(diameter, ans);
    for(int neighbour: AdjList[node]) {
        if(neighbour != father[node])ans = min(ans, getDepthComponent(neighbour));
    }
    return ans;
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
    AdjList = vector<vector<int>>(N);
    Weights = vector<vector<int>>(N);
    for(int i = 0; i < M; ++i){
        AdjList[A[i]].push_back(B[i]);
        AdjList[B[i]].push_back(A[i]);
        Weights[B[i]].push_back(T[i]);
        Weights[A[i]].push_back(T[i]);
    }
    component = vector<int>(N, -1);
    LongestDepth = vector<int>(N, -1);
    SecondLongestDepth = vector<int> (N, -1);
    NodeForLongestDepth = vector<int>(N, -1);
    distFather = vector<int>(N, 1);
    father = vector<int>(N, -1);
    vector<int> depthsComponents;
    diameter = 0;
    for(int i = 0; i < N; ++i){
        if(component[i] == -1){
            component[i] = i;
            distFather[i] = 0;
            father[i] = i;
            dfs(i);
            depthsComponents.push_back(getDepthComponent(i));
        }
    }
    sort(depthsComponents.rbegin(), depthsComponents.rend());
    int MaxTravel = max(diameter, depthsComponents[0] + depthsComponents[1] + L);
    if((N-M-1) == 1) return MaxTravel;
    MaxTravel= max(MaxTravel, depthsComponents[1] + depthsComponents[2] + 2*L);
    return MaxTravel;
}

Compilation message

dreaming.cpp: In function 'void dfs(int)':
dreaming.cpp:13:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int next = 0; next < AdjList[node].size(); ++next){
      |                       ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 17400 KB Output is correct
2 Correct 65 ms 18364 KB Output is correct
3 Correct 39 ms 13880 KB Output is correct
4 Correct 7 ms 2900 KB Output is correct
5 Correct 6 ms 2004 KB Output is correct
6 Correct 12 ms 4288 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 26 ms 8084 KB Output is correct
9 Correct 37 ms 11272 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 77 ms 14184 KB Output is correct
12 Correct 76 ms 16268 KB Output is correct
13 Correct 1 ms 468 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 308 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 212 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 17400 KB Output is correct
2 Correct 65 ms 18364 KB Output is correct
3 Correct 39 ms 13880 KB Output is correct
4 Correct 7 ms 2900 KB Output is correct
5 Correct 6 ms 2004 KB Output is correct
6 Correct 12 ms 4288 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 26 ms 8084 KB Output is correct
9 Correct 37 ms 11272 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 77 ms 14184 KB Output is correct
12 Correct 76 ms 16268 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 312 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 308 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 70 ms 18712 KB Output is correct
40 Correct 61 ms 18252 KB Output is correct
41 Correct 38 ms 13864 KB Output is correct
42 Correct 7 ms 2900 KB Output is correct
43 Correct 1 ms 308 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 308 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 308 KB Output is correct
54 Correct 1 ms 304 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 1 ms 308 KB Output is correct
57 Correct 103 ms 16076 KB Output is correct
58 Correct 95 ms 16092 KB Output is correct
59 Correct 94 ms 16192 KB Output is correct
60 Correct 96 ms 16260 KB Output is correct
61 Correct 94 ms 16580 KB Output is correct
62 Correct 91 ms 16556 KB Output is correct
63 Correct 90 ms 16224 KB Output is correct
64 Correct 89 ms 16300 KB Output is correct
65 Correct 119 ms 16568 KB Output is correct
66 Correct 90 ms 16460 KB Output is correct
67 Correct 93 ms 16296 KB Output is correct
68 Correct 99 ms 16284 KB Output is correct
69 Correct 95 ms 16460 KB Output is correct
70 Correct 124 ms 16488 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 2 ms 724 KB Output is correct
73 Correct 2 ms 724 KB Output is correct
74 Correct 2 ms 724 KB Output is correct
75 Correct 2 ms 704 KB Output is correct
76 Correct 2 ms 700 KB Output is correct
77 Correct 2 ms 724 KB Output is correct
78 Correct 2 ms 724 KB Output is correct
79 Correct 2 ms 704 KB Output is correct
80 Correct 99 ms 16128 KB Output is correct
81 Correct 99 ms 16332 KB Output is correct
82 Correct 94 ms 16580 KB Output is correct
83 Correct 96 ms 16496 KB Output is correct
84 Correct 1 ms 596 KB Output is correct
85 Correct 2 ms 608 KB Output is correct
86 Correct 2 ms 704 KB Output is correct
87 Correct 2 ms 724 KB Output is correct
88 Correct 2 ms 736 KB Output is correct
89 Correct 2 ms 724 KB Output is correct
90 Correct 2 ms 724 KB Output is correct
91 Correct 2 ms 696 KB Output is correct
92 Correct 2 ms 740 KB Output is correct
93 Correct 2 ms 724 KB Output is correct
94 Correct 1 ms 308 KB Output is correct
95 Correct 1 ms 212 KB Output is correct
96 Correct 0 ms 212 KB Output is correct
97 Correct 0 ms 212 KB Output is correct
98 Correct 1 ms 212 KB Output is correct
99 Correct 1 ms 212 KB Output is correct
100 Correct 1 ms 212 KB Output is correct
101 Correct 1 ms 308 KB Output is correct
102 Correct 1 ms 212 KB Output is correct
103 Correct 1 ms 212 KB Output is correct
104 Correct 6 ms 2108 KB Output is correct
105 Correct 13 ms 4396 KB Output is correct
106 Correct 1 ms 308 KB Output is correct
107 Correct 26 ms 8068 KB Output is correct
108 Correct 38 ms 11272 KB Output is correct
109 Correct 1 ms 340 KB Output is correct
110 Correct 64 ms 14188 KB Output is correct
111 Correct 76 ms 16212 KB Output is correct
112 Correct 1 ms 468 KB Output is correct
113 Correct 109 ms 24012 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 11476 KB Output is correct
2 Correct 29 ms 11640 KB Output is correct
3 Correct 29 ms 11592 KB Output is correct
4 Correct 32 ms 11620 KB Output is correct
5 Correct 33 ms 11568 KB Output is correct
6 Correct 32 ms 12420 KB Output is correct
7 Correct 35 ms 11988 KB Output is correct
8 Correct 27 ms 11284 KB Output is correct
9 Correct 26 ms 11212 KB Output is correct
10 Correct 30 ms 11988 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 7 ms 8016 KB Output is correct
13 Correct 7 ms 8024 KB Output is correct
14 Correct 7 ms 8036 KB Output is correct
15 Correct 6 ms 8016 KB Output is correct
16 Correct 7 ms 8016 KB Output is correct
17 Correct 7 ms 8036 KB Output is correct
18 Correct 7 ms 8076 KB Output is correct
19 Correct 6 ms 8016 KB Output is correct
20 Incorrect 0 ms 212 KB Output isn't correct
21 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 308 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 596 KB Output is correct
28 Correct 2 ms 736 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 596 KB Output is correct
31 Correct 2 ms 700 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 2 ms 608 KB Output is correct
34 Correct 2 ms 700 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Incorrect 1 ms 212 KB Output isn't correct
53 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 17400 KB Output is correct
2 Correct 65 ms 18364 KB Output is correct
3 Correct 39 ms 13880 KB Output is correct
4 Correct 7 ms 2900 KB Output is correct
5 Correct 6 ms 2004 KB Output is correct
6 Correct 12 ms 4288 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 26 ms 8084 KB Output is correct
9 Correct 37 ms 11272 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 77 ms 14184 KB Output is correct
12 Correct 76 ms 16268 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 312 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 308 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 70 ms 18712 KB Output is correct
40 Correct 61 ms 18252 KB Output is correct
41 Correct 38 ms 13864 KB Output is correct
42 Correct 7 ms 2900 KB Output is correct
43 Correct 1 ms 308 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 308 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 308 KB Output is correct
54 Correct 1 ms 304 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 1 ms 308 KB Output is correct
57 Correct 103 ms 16076 KB Output is correct
58 Correct 95 ms 16092 KB Output is correct
59 Correct 94 ms 16192 KB Output is correct
60 Correct 96 ms 16260 KB Output is correct
61 Correct 94 ms 16580 KB Output is correct
62 Correct 91 ms 16556 KB Output is correct
63 Correct 90 ms 16224 KB Output is correct
64 Correct 89 ms 16300 KB Output is correct
65 Correct 119 ms 16568 KB Output is correct
66 Correct 90 ms 16460 KB Output is correct
67 Correct 93 ms 16296 KB Output is correct
68 Correct 99 ms 16284 KB Output is correct
69 Correct 95 ms 16460 KB Output is correct
70 Correct 124 ms 16488 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 2 ms 724 KB Output is correct
73 Correct 2 ms 724 KB Output is correct
74 Correct 2 ms 724 KB Output is correct
75 Correct 2 ms 704 KB Output is correct
76 Correct 2 ms 700 KB Output is correct
77 Correct 2 ms 724 KB Output is correct
78 Correct 2 ms 724 KB Output is correct
79 Correct 2 ms 704 KB Output is correct
80 Correct 99 ms 16128 KB Output is correct
81 Correct 99 ms 16332 KB Output is correct
82 Correct 94 ms 16580 KB Output is correct
83 Correct 96 ms 16496 KB Output is correct
84 Correct 1 ms 596 KB Output is correct
85 Correct 2 ms 608 KB Output is correct
86 Correct 2 ms 704 KB Output is correct
87 Correct 2 ms 724 KB Output is correct
88 Correct 2 ms 736 KB Output is correct
89 Correct 2 ms 724 KB Output is correct
90 Correct 2 ms 724 KB Output is correct
91 Correct 2 ms 696 KB Output is correct
92 Correct 2 ms 740 KB Output is correct
93 Correct 2 ms 724 KB Output is correct
94 Correct 1 ms 308 KB Output is correct
95 Correct 1 ms 212 KB Output is correct
96 Correct 0 ms 212 KB Output is correct
97 Correct 0 ms 212 KB Output is correct
98 Correct 1 ms 212 KB Output is correct
99 Correct 1 ms 212 KB Output is correct
100 Correct 1 ms 212 KB Output is correct
101 Correct 1 ms 308 KB Output is correct
102 Correct 1 ms 212 KB Output is correct
103 Correct 1 ms 212 KB Output is correct
104 Correct 6 ms 2108 KB Output is correct
105 Correct 13 ms 4396 KB Output is correct
106 Correct 1 ms 308 KB Output is correct
107 Correct 26 ms 8068 KB Output is correct
108 Correct 38 ms 11272 KB Output is correct
109 Correct 1 ms 340 KB Output is correct
110 Correct 64 ms 14188 KB Output is correct
111 Correct 76 ms 16212 KB Output is correct
112 Correct 1 ms 468 KB Output is correct
113 Correct 109 ms 24012 KB Output is correct
114 Correct 28 ms 11476 KB Output is correct
115 Correct 29 ms 11640 KB Output is correct
116 Correct 29 ms 11592 KB Output is correct
117 Correct 32 ms 11620 KB Output is correct
118 Correct 33 ms 11568 KB Output is correct
119 Correct 32 ms 12420 KB Output is correct
120 Correct 35 ms 11988 KB Output is correct
121 Correct 27 ms 11284 KB Output is correct
122 Correct 26 ms 11212 KB Output is correct
123 Correct 30 ms 11988 KB Output is correct
124 Correct 0 ms 212 KB Output is correct
125 Correct 7 ms 8016 KB Output is correct
126 Correct 7 ms 8024 KB Output is correct
127 Correct 7 ms 8036 KB Output is correct
128 Correct 6 ms 8016 KB Output is correct
129 Correct 7 ms 8016 KB Output is correct
130 Correct 7 ms 8036 KB Output is correct
131 Correct 7 ms 8076 KB Output is correct
132 Correct 6 ms 8016 KB Output is correct
133 Incorrect 0 ms 212 KB Output isn't correct
134 Halted 0 ms 0 KB -