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Submission #824668

# Submission time Handle Problem Language Result Execution time Memory
824668 2023-08-14T08:40:25 Z LucaIlie Minerals (JOI19_minerals) C++17
0 / 100
 110 ms 262144 KB 
#include "minerals.h"
#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 43000;
const int UNDEF = -1;
int pairr[2 * MAX_N + 1], perm[2 * MAX_N + 1];
int ans = 0;

void solve( vector <int> &v, bool active ) {
    int n = v.size() / 2, ln = n / 2;
    vector<int> left, right;

    /*printf( "%d: ", n );
    for ( int i: v )
        printf( "%d ", i );
    printf( "\n" );*/

    if ( n == 1 ) {
        pairr[v[0]] = v[1];
        pairr[v[1]] = v[0];
        return;
    }

    int firstAns = ans;
    for ( int i: v ) {
        if ( left.size() == ln * 2 ) {
            right.push_back( i );
            continue;
        }

        ans = Query( perm[i] );
        if ( abs( ans - firstAns ) > ln ) {
            right.push_back( i );
            Query( perm[i] );
        } else
            left.push_back( i );
    }

    solve( left, !active );
    solve( right, active );
}

void Solve( int n ) {
    vector<int> v;
    for ( int i = 1; i <= 2 * n; i++ ) {
        pairr[i] = UNDEF;
        v.push_back( i );
        perm[i] = i;
    }
    //random_shuffle( perm + 1, perm + 1 + 2 * n );

    solve( v, false );
    for ( int i = 1; i <= 2 * n; i++ ) {
        if ( pairr[i] < i )
            Answer( perm[i], perm[pairr[i]] );
    }
}

Compilation message

minerals.cpp: In function 'void solve(std::vector<int>&, bool)':
minerals.cpp:28:26: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   28 |         if ( left.size() == ln * 2 ) {
      |              ~~~~~~~~~~~~^~~~~~~~~

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 260 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 110 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 260 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 260 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 260 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 260 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 260 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 260 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 260 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -