oj.uz

Submission #518722

# Submission time Handle Problem Language Result Execution time Memory
518722 2022-01-24T13:28:16 Z LucaIlie Hidden Sequence (info1cup18_hidden) C++17
59 / 100
 96 ms 292 KB 
#include <iostream>
#include <vector>
#include "grader.h"

using namespace std;

vector <int> vans;
vector <int> seq;

bool ask( int nr0, int nr1, int s ) {
    int i;

    seq.clear();

    if ( nr0 + nr1 == 0 )
        return 1;

    for ( i = 0; i < nr1; i++ )
        seq.push_back( 1^s );
    for ( i = 0; i < nr0; i++ )
        seq.push_back( 0^s );

    return isSubsequence( seq );
}

void add( int b, int x ) {
    int i;

    for ( i = 0; i < x; i++ )
        vans.push_back( b );
}

vector <int> findSequence( int n ) {
    int nr0, nr1, s, zero, ram0, i;

    nr0 = 0;
    while ( nr0 <= n / 2 + 1 && ask( nr0, 0, 0 ) )
        nr0++;
    nr0--;
    if ( nr0 == n / 2 + 1 ) {
        while ( !ask( 0, n - nr0, 0 ) )
            nr0++;
        nr1 = nr0;
        nr0 = n - nr0;
        s = 1;
    } else {
        nr1 = n - nr0;
        s = 0;
    }

    ram0 = nr0;
    for ( i = 1; i <= nr1; i++ ) {
        zero = 0;
        while ( zero <= nr0 && ask( zero, i, s ) )
            zero++;
        zero--;

        add( s, ram0 - zero );
        ram0 = zero;
        add( !s, 1 );
    }
    add( s, ram0 );

    return vans;
}

Compilation message

grader.cpp: In function 'int main()':
grader.cpp:28:26: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
   28 |     fprintf (fifo_out, "%d\n", ans.size ());
      |                         ~^     ~~~~~~~~~~~
      |                          |              |
      |                          int            std::vector<int>::size_type {aka long unsigned int}
      |                         %ld
grader.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for (int i=0; i<ans.size () && i < N; i++)
      |                   ~^~~~~~~~~~~~

Subtask #1
15.0 / 20.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 200 KB Output is partially correct: Maximum length of a query = 6
2 Partially correct 1 ms 200 KB Output is partially correct: Maximum length of a query = 8
3 Partially correct 1 ms 200 KB Output is partially correct: Maximum length of a query = 6
4 Partially correct 0 ms 200 KB Output is partially correct: Maximum length of a query = 6
5 Partially correct 1 ms 200 KB Output is partially correct: Maximum length of a query = 6

Subtask #2
44.0 / 80.0

# Verdict Execution time Memory Grader output
1 Partially correct 50 ms 276 KB Output is partially correct: Maximum length of a query = 94
2 Partially correct 68 ms 284 KB Output is partially correct: Maximum length of a query = 103
3 Partially correct 61 ms 200 KB Output is partially correct: Maximum length of a query = 99
4 Partially correct 65 ms 280 KB Output is partially correct: Maximum length of a query = 91
5 Partially correct 36 ms 292 KB Output is partially correct: Maximum length of a query = 102
6 Partially correct 24 ms 276 KB Output is partially correct: Maximum length of a query = 100
7 Partially correct 70 ms 280 KB Output is partially correct: Maximum length of a query = 128
8 Partially correct 61 ms 280 KB Output is partially correct: Maximum length of a query = 111
9 Partially correct 96 ms 280 KB Output is partially correct: Maximum length of a query = 128
10 Partially correct 85 ms 288 KB Output is partially correct: Maximum length of a query = 124
11 Correct 61 ms 200 KB Output is correct: Maximum length of a query = 96
12 Partially correct 80 ms 276 KB Output is partially correct: Maximum length of a query = 150
13 Partially correct 88 ms 200 KB Output is partially correct: Maximum length of a query = 106