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Submission #946014

# Submission time Handle Problem Language Result Execution time Memory
946014 2024-03-14T09:37:19 Z LucaIlie Village (BOI20_village) C++17
50 / 100
 94 ms 17368 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 1e5;
int sizee[MAX_N + 1], depth[MAX_N + 1], pairr[MAX_N + 1];
vector<int> adj[MAX_N + 1];
int n;

int c;
void findCentroid( int u, int p ) {
    int maxSizee = 0;
    sizee[u] = 1;
    for ( int v: adj[u] ) {
        if ( v == p )
            continue;
        findCentroid( v, u );
        sizee[u] += sizee[v];
        maxSizee = max( maxSizee, sizee[v] );
    }
    maxSizee = max( maxSizee, n - sizee[u] );
    if ( maxSizee <= n / 2 )
        c = u;
}

void calcSizes( int u, int p ) {
    sizee[u] = 1;
    for ( int v: adj[u] ) {
        if ( v == p )
            continue;
        calcSizes( v, u );
        sizee[u] += sizee[v];
    }
}

long long maxSumDist;
vector<int> vert;
void dfs( int u, int p ) {
    depth[u] = depth[p] + 1;
    maxSumDist += depth[u];
    for ( int v: adj[u] ) {
        if ( v == p )
            continue;
        dfs( v, u );
    }
    vert.push_back( u );
}

int main() {
    cin >> n;
    for ( int i = 0; i < n - 1; i++ ) {
        int u, v;
        cin >> u >> v;
        adj[u].push_back( v );
        adj[v].push_back( u );
    }

    findCentroid( 1, 0 );

    depth[0] = -1;
    dfs( c, 0 );
    for ( int i = 0; i < n / 2; i++ ) {
        pairr[vert[i]] = vert[n / 2 + i];
        pairr[vert[n / 2 + i]] = vert[i];
    }

    if ( pairr[c] == 0 ) {
        int a = adj[c][0], b = pairr[a];
        pairr[a] = b;
        pairr[b] = c;
        pairr[c] = a;
    }

    cout << 1 << " " << 2 * maxSumDist << "\n";
    for ( int v = 1; v <= n; v++ )
        cout << v << " ";
    cout << "\n";
    for ( int v = 1; v <= n; v++ )
        cout << pairr[v] << " ";
    cout << "\n";

    return 0;
}

Subtask #1
6.0 / 12.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2652 KB Partially correct
2 Partially correct 1 ms 2652 KB Partially correct
3 Partially correct 1 ms 2652 KB Partially correct
4 Partially correct 1 ms 2652 KB Partially correct
5 Partially correct 1 ms 2652 KB Partially correct
6 Partially correct 1 ms 2652 KB Partially correct
7 Partially correct 1 ms 2652 KB Partially correct
8 Partially correct 1 ms 2652 KB Partially correct
9 Partially correct 1 ms 2652 KB Partially correct
10 Partially correct 1 ms 2652 KB Partially correct
11 Partially correct 1 ms 2652 KB Partially correct
12 Partially correct 1 ms 2652 KB Partially correct
13 Partially correct 1 ms 2648 KB Partially correct
14 Partially correct 1 ms 2652 KB Partially correct
15 Partially correct 1 ms 2656 KB Partially correct
16 Partially correct 1 ms 2652 KB Partially correct
17 Partially correct 1 ms 2652 KB Partially correct

Subtask #2
19.0 / 38.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2652 KB Partially correct
2 Partially correct 2 ms 2652 KB Partially correct
3 Partially correct 1 ms 2652 KB Partially correct
4 Partially correct 2 ms 2652 KB Partially correct
5 Partially correct 1 ms 2652 KB Partially correct
6 Partially correct 1 ms 2652 KB Partially correct
7 Partially correct 1 ms 2908 KB Partially correct
8 Partially correct 1 ms 2796 KB Partially correct
9 Partially correct 1 ms 2652 KB Partially correct
10 Partially correct 1 ms 2652 KB Partially correct
11 Partially correct 2 ms 2796 KB Partially correct
12 Partially correct 2 ms 2652 KB Partially correct
13 Partially correct 1 ms 2652 KB Partially correct
14 Partially correct 1 ms 2652 KB Partially correct
15 Partially correct 1 ms 2652 KB Partially correct
16 Partially correct 1 ms 2652 KB Partially correct
17 Partially correct 1 ms 2652 KB Partially correct
18 Partially correct 1 ms 2652 KB Partially correct
19 Partially correct 1 ms 2652 KB Partially correct
20 Partially correct 1 ms 2652 KB Partially correct
21 Partially correct 2 ms 2652 KB Partially correct
22 Partially correct 1 ms 2652 KB Partially correct
23 Partially correct 1 ms 2652 KB Partially correct
24 Partially correct 1 ms 2652 KB Partially correct
25 Partially correct 1 ms 2652 KB Partially correct
26 Partially correct 1 ms 2652 KB Partially correct
27 Partially correct 1 ms 2652 KB Partially correct
28 Partially correct 2 ms 2652 KB Partially correct
29 Partially correct 1 ms 2796 KB Partially correct
30 Partially correct 2 ms 2652 KB Partially correct

Subtask #3
25.0 / 50.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2652 KB Partially correct
2 Partially correct 1 ms 2652 KB Partially correct
3 Partially correct 1 ms 2652 KB Partially correct
4 Partially correct 1 ms 2652 KB Partially correct
5 Partially correct 1 ms 2652 KB Partially correct
6 Partially correct 1 ms 2652 KB Partially correct
7 Partially correct 1 ms 2652 KB Partially correct
8 Partially correct 1 ms 2652 KB Partially correct
9 Partially correct 1 ms 2652 KB Partially correct
10 Partially correct 1 ms 2652 KB Partially correct
11 Partially correct 1 ms 2652 KB Partially correct
12 Partially correct 1 ms 2652 KB Partially correct
13 Partially correct 1 ms 2648 KB Partially correct
14 Partially correct 1 ms 2652 KB Partially correct
15 Partially correct 1 ms 2656 KB Partially correct
16 Partially correct 1 ms 2652 KB Partially correct
17 Partially correct 1 ms 2652 KB Partially correct
18 Partially correct 1 ms 2652 KB Partially correct
19 Partially correct 2 ms 2652 KB Partially correct
20 Partially correct 1 ms 2652 KB Partially correct
21 Partially correct 2 ms 2652 KB Partially correct
22 Partially correct 1 ms 2652 KB Partially correct
23 Partially correct 1 ms 2652 KB Partially correct
24 Partially correct 1 ms 2908 KB Partially correct
25 Partially correct 1 ms 2796 KB Partially correct
26 Partially correct 1 ms 2652 KB Partially correct
27 Partially correct 1 ms 2652 KB Partially correct
28 Partially correct 2 ms 2796 KB Partially correct
29 Partially correct 2 ms 2652 KB Partially correct
30 Partially correct 1 ms 2652 KB Partially correct
31 Partially correct 1 ms 2652 KB Partially correct
32 Partially correct 1 ms 2652 KB Partially correct
33 Partially correct 1 ms 2652 KB Partially correct
34 Partially correct 1 ms 2652 KB Partially correct
35 Partially correct 1 ms 2652 KB Partially correct
36 Partially correct 1 ms 2652 KB Partially correct
37 Partially correct 1 ms 2652 KB Partially correct
38 Partially correct 2 ms 2652 KB Partially correct
39 Partially correct 1 ms 2652 KB Partially correct
40 Partially correct 1 ms 2652 KB Partially correct
41 Partially correct 1 ms 2652 KB Partially correct
42 Partially correct 1 ms 2652 KB Partially correct
43 Partially correct 1 ms 2652 KB Partially correct
44 Partially correct 1 ms 2652 KB Partially correct
45 Partially correct 2 ms 2652 KB Partially correct
46 Partially correct 1 ms 2796 KB Partially correct
47 Partially correct 2 ms 2652 KB Partially correct
48 Partially correct 61 ms 9368 KB Partially correct
49 Partially correct 75 ms 10036 KB Partially correct
50 Partially correct 68 ms 9860 KB Partially correct
51 Partially correct 52 ms 8300 KB Partially correct
52 Partially correct 67 ms 9988 KB Partially correct
53 Partially correct 67 ms 9676 KB Partially correct
54 Partially correct 38 ms 9800 KB Partially correct
55 Partially correct 80 ms 17368 KB Partially correct
56 Partially correct 72 ms 13268 KB Partially correct
57 Partially correct 70 ms 12236 KB Partially correct
58 Partially correct 70 ms 11084 KB Partially correct
59 Partially correct 76 ms 10196 KB Partially correct
60 Partially correct 59 ms 10208 KB Partially correct
61 Partially correct 62 ms 10188 KB Partially correct
62 Partially correct 87 ms 10284 KB Partially correct
63 Partially correct 59 ms 9752 KB Partially correct
64 Partially correct 72 ms 10188 KB Partially correct
65 Partially correct 70 ms 10448 KB Partially correct
66 Partially correct 94 ms 9856 KB Partially correct
67 Partially correct 55 ms 8404 KB Partially correct
68 Partially correct 53 ms 9168 KB Partially correct
69 Partially correct 62 ms 10508 KB Partially correct
70 Partially correct 58 ms 9932 KB Partially correct
71 Partially correct 43 ms 8180 KB Partially correct
72 Partially correct 49 ms 8780 KB Partially correct
73 Partially correct 61 ms 10404 KB Partially correct
74 Partially correct 57 ms 9928 KB Partially correct
75 Partially correct 69 ms 9820 KB Partially correct
76 Partially correct 65 ms 9760 KB Partially correct
77 Partially correct 62 ms 10112 KB Partially correct
78 Partially correct 44 ms 7744 KB Partially correct
79 Partially correct 50 ms 8412 KB Partially correct
80 Partially correct 70 ms 9684 KB Partially correct
81 Partially correct 63 ms 10188 KB Partially correct
82 Partially correct 62 ms 10060 KB Partially correct