oj.uz

Submission #626904

# Submission time Handle Problem Language Result Execution time Memory
626904 2022-08-12T00:26:12 Z chonka Swap (BOI16_swap) C++17
0 / 100
 0 ms 212 KB 
#include<bits/stdc++.h>
using namespace std ;
typedef long long ll ;

const int MAXN = 2e5 + 7 ;

int n ;
int a[ MAXN ] ;

int get ( int wh , int val ) {
    if ( 2 * wh > n ) { return wh ; }
    if ( 2 * wh == n ) {
        if ( val < a[ 2 * wh ] ) { return wh ; }
        return 2 * wh ;
    }
    if ( val < a[ 2 * wh ] && val < a[ 2 * wh + 1 ] ) { return wh ; }
    if ( a[ 2 * wh ] < val && a[ 2 * wh ] < a[ 2 * wh + 1 ] ) {
        return get ( 2 * wh , val ) ;
    }
    int x = a[ 2 * wh ] ;
    if ( x < val ) {
        int sr1 = get ( 2 * wh , x ) ;
        int sr2 = get ( 2 * wh + 1 , x ) ;
        if ( sr1 < sr2 ) {
            return get ( 2 * wh + 1 , val ) ;
        }
        else {
            return get ( 2 * wh , val ) ;
        }
    }
    else {
        int sr1 = get ( 2 * wh , x ) ;
        int sr2 = get ( 2 * wh + 1 , x ) ;
        return min ( sr1 , sr2 ) ;
    }
}

void solve ( ) {
    cin >> n ;
    for ( int i = 1 ; i <= n ; ++ i ) {
        cin >> a[ i ] ;
    }
    for ( int i = 1 ; i <= n ; ++ i ) {
        if ( 2 * i > n ) { continue ; }
        if ( 2 * i == n ) {
            if ( a[ i ] > a[ 2 * i ] ) {
                swap ( a[ i ] , a[ 2 * i ] ) ;
            }
            continue ;
        }
        if ( a[ i ] < a[ 2 * i ] && a[ i ] < a[ 2 * i + 1 ] ) { continue ; }
        if ( a[ 2 * i ] < a[ i ] && a[ 2 * i ] < a[ i ] ) {
            swap ( a[ i ] , a[ 2 * i ] ) ;
            continue ;
        }
        swap ( a[ i ] , a[ 2 * i + 1 ] ) ;
        if ( a[ 2 * i ] < a[ 2 * i + 1 ] ) {
            int sr1 = get ( 2 * i , a[ 2 * i ] ) ;
            int sr2 = get ( 2 * i + 1 , a[ 2 * i ] ) ;
            if ( sr2 < sr1 ) {
                swap ( a[ 2 * i ] , a[ 2 * i + 1 ] ) ;
            }
        }
        else {
            int sr1 = get ( 2 * i , a[ 2 * i + 1 ] ) ;
            int sr2 = get ( 2 * i + 1 , a[ 2 * i + 1 ] ) ;
            if ( sr1 < sr2 ) {
                swap ( a[ 2 * i ] , a[ 2 * i + 1 ] ) ;
            }            
        }
    }

    for ( int i = 1 ; i <= n ; ++ i ) {
        cout << a[ i ] << " " ;
    }
    cout << "\n" ;
}

int main ( ) {
    ios_base :: sync_with_stdio ( false ) ;
    cin.tie ( NULL ) ;
    int t = 1 ; // cin >> t ; 
    while ( t -- ) { solve ( ) ; }
    return 0 ;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -