oj.uz

Submission #975443

# Submission time Handle Problem Language Result Execution time Memory
975443 2024-05-05T07:56:11 Z LucaIlie Mechanical Doll (IOI18_doll) C++17
63 / 100
 88 ms 17172 KB 
#include "doll.h"
#include <bits/stdc++.h>

using namespace std;

const int MAX_M = 1e5;
const int MAX_L = (1 << 18);
int ord[MAX_L];
vector<int> adj[MAX_M + 1];

int switchid( int x ) {
    return -(x + 1);
}

void create_circuit( int m, vector<int> a ) {
    int n = a.size();

    vector<int> c( m + 1 ), x, y;

    if ( n == 16 ) {
        a.push_back( 0 );

        c[0] = a[0];

        int p = 4;
        x.resize( (1 << p) - 1 );
        y.resize( (1 << p) - 1 );
        for ( int v = 0; v < (1 << (p - 1)) - 1; v++ ) {
            x[v] = switchid( v * 2 + 1 );
            y[v] = switchid( v * 2 + 2 );
        }
        for ( int a = 0; a < (1 << p); a++ ) {
            int c = 0;
            for ( int b = 0; b < p; b++ ) {
                if ((a >> b) & 1 )
                    c += (1 << (p - 1 - b));
            }
            ord[c] = a;
        }
        for ( int j = 0; j < (1 << p); j++ ) {
            int b = ord[j];
            int v = (1 << (p - 1)) - 1 + b / 2;
            if ( b % 2 == 0 )
                x[v] = a[j + 1];
            else
                y[v] = a[j + 1];
        }

        for ( int i = 1; i <= m; i++ )
            c[i] = -1;
    } else {
        a.push_back( 0 );
        reverse( a.begin(), a.end() );
        a.push_back( 0 );
        reverse( a.begin(), a.end() );

        for ( int i = 0; i < a.size() - 1; i++ )
            adj[a[i]].push_back( a[i + 1] );

        for ( int i = 0; i <= m; i++ ) {
            if ( adj[i].size() == 0 )
                continue;
            if ( adj[i].size() == 1 ) {
                c[i] = adj[i][0];
                continue;
            }

            int p = ceil( log2( adj[i].size()));
            int r = x.size();
            x.resize( r + (1 << p) - 1 );
            y.resize( r + (1 << p) - 1 );
            c[i] = switchid( r );
            for ( int v = 0; v < (1 << (p - 1)) - 1; v++ ) {
                x[r + v] = switchid( r + v * 2 + 1 );
                y[r + v] = switchid( r + v * 2 + 2 );
            }
            for ( int a = 0; a < (1 << p); a++ ) {
                int c = 0;
                for ( int b = 0; b < p; b++ ) {
                    if ((a >> b) & 1 )
                        c += (1 << (p - 1 - b));
                }
                ord[c] = a;
            }
            int ind = 0;
            for ( int j = 0; j < (1 << p); j++ ) {
                int a = ord[j];
                int v = r + (1 << (p - 1)) - 1 + a / 2;
                if ( j + 1 + adj[i].size() <= (1 << p)) {
                    if ( a % 2 == 0 )
                        x[v] = switchid( r );
                    else
                        y[v] = switchid( r );
                } else {
                    if ( a % 2 == 0 )
                        x[v] = adj[i][ind];
                    else
                        y[v] = adj[i][ind];
                    ind++;
                }
            }
        }
    }

    answer( c, x, y );
}

Compilation message

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:57:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |         for ( int i = 0; i < a.size() - 1; i++ )
      |                          ~~^~~~~~~~~~~~~~
doll.cpp:89:44: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   89 |                 if ( j + 1 + adj[i].size() <= (1 << p)) {
      |                      ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 18 ms 6744 KB Output is correct
3 Correct 14 ms 6484 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 8 ms 3932 KB Output is correct
6 Correct 30 ms 8140 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 18 ms 6744 KB Output is correct
3 Correct 14 ms 6484 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 8 ms 3932 KB Output is correct
6 Correct 30 ms 8140 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 33 ms 9252 KB Output is correct
9 Correct 34 ms 9584 KB Output is correct
10 Correct 52 ms 12972 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 18 ms 6744 KB Output is correct
3 Correct 14 ms 6484 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 8 ms 3932 KB Output is correct
6 Correct 30 ms 8140 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 33 ms 9252 KB Output is correct
9 Correct 34 ms 9584 KB Output is correct
10 Correct 52 ms 12972 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 70 ms 14860 KB Output is correct
15 Correct 34 ms 8892 KB Output is correct
16 Correct 52 ms 12132 KB Output is correct
17 Correct 1 ms 2648 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2712 KB Output is correct
20 Correct 59 ms 12352 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2904 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2904 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2648 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct

Subtask #5
9.0000000036 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2652 KB Output is partially correct
2 Correct 35 ms 9768 KB Output is correct
3 Partially correct 59 ms 12248 KB Output is partially correct
4 Partially correct 65 ms 13124 KB Output is partially correct

Subtask #6
28.0000000112 / 56.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2652 KB Output is partially correct
2 Correct 35 ms 9768 KB Output is correct
3 Partially correct 59 ms 12248 KB Output is partially correct
4 Partially correct 65 ms 13124 KB Output is partially correct
5 Partially correct 71 ms 14648 KB Output is partially correct
6 Partially correct 78 ms 15596 KB Output is partially correct
7 Partially correct 76 ms 15824 KB Output is partially correct
8 Partially correct 79 ms 15828 KB Output is partially correct
9 Partially correct 59 ms 12976 KB Output is partially correct
10 Partially correct 86 ms 17172 KB Output is partially correct
11 Partially correct 88 ms 16860 KB Output is partially correct
12 Partially correct 59 ms 12868 KB Output is partially correct
13 Partially correct 51 ms 11108 KB Output is partially correct
14 Partially correct 52 ms 11000 KB Output is partially correct
15 Partially correct 48 ms 10540 KB Output is partially correct
16 Partially correct 2 ms 2908 KB Output is partially correct
17 Partially correct 42 ms 10348 KB Output is partially correct
18 Partially correct 48 ms 10224 KB Output is partially correct
19 Partially correct 45 ms 11332 KB Output is partially correct
20 Partially correct 64 ms 13996 KB Output is partially correct
21 Partially correct 85 ms 14916 KB Output is partially correct
22 Partially correct 63 ms 12756 KB Output is partially correct