Submission #194145

#	Time	Username	Problem	Language	Result	Execution time	Memory
194145		oscarsierra12	Gondola (IOI14_gondola)	C++14	55 / 100	53 ms	5104 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>
using namespace std ;

typedef pair<int,int>          pii ;

int valid(int n, int inputSeq[])
{
  int x = min_element ( inputSeq, inputSeq+n ) - inputSeq ;
  vector <int> nwSeq ;
  set <int> rep ;
  for ( int i = x ; i < n ; ++i ) nwSeq.push_back ( inputSeq[i] ), rep.insert ( inputSeq[i] ) ;
  for ( int i = 0 ; i < x ; ++i ) nwSeq.push_back ( inputSeq[i] ), rep.insert ( inputSeq[i] ) ;
  int expected = inputSeq[x] ;
  int posible = ( rep.size()==n ) ;
  for ( int i = 0 ; i < n ; ++i ) {
    if ( nwSeq[i] <= n ) {
        if ( nwSeq[i] != expected ) posible = 0 ;
        expected = nwSeq[i]+1 ;
    }
    else expected++ ;
  }
  return posible;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  int x = min_element ( gondolaSeq, gondolaSeq+n ) - gondolaSeq ;
  int beg = 1 ;
  if ( gondolaSeq[x] <= n ) beg = gondolaSeq[x] ;
  vector <int> nwSeq ;
  for ( int i = x ; i < n ; ++i ) nwSeq.push_back ( gondolaSeq[i] ) ;
  for ( int i = 0 ; i < x ; ++i ) nwSeq.push_back ( gondolaSeq[i] ) ;
//  cout << beg << '\n' ;
  vector <pii> posib ;
  for ( int i = 0 ; i < n ; ++i ) {
    if ( nwSeq[i] != beg ) posib.push_back ( {nwSeq[i], beg} ) ;
    beg++ ;
    if ( beg > n ) beg = 1;
  }
  sort ( posib.begin(), posib.end() ) ;
  int ans = 0, id = 0;
  for ( auto i:posib ) {
//    cout << i.first << ' ' << i.second << '\n' ;
    replacementSeq[id] = i.second ;
    n++ ;
    ++ans ;
    while ( n < i.first ) {
        ++id ;
        replacementSeq[id] = n ;
        ++n ;
        ++ans ;
    }
    ++id ;
  }
  return ans;
}

//----------------------

int countReplacement(int n, int inputSeq[])
{
  return -3;
}

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:15:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   int posible = ( rep.size()==n ) ;
                   ~~~~~~~~~~^~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 10 / 10
• Subtask 6: 20 / 20
• Subtask 7: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10