oj.uz

Submission #194159

# Submission time Handle Problem Language Result Execution time Memory
194159 2020-01-15T21:11:26 Z oscarsierra12 Gondola (IOI14_gondola) C++14
60 / 100
 68 ms 5104 KB 
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std ;

typedef pair<int,int>          pii ;
int arr[300000] ;
const int MOD = 1e9+7 ;

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 = ( (int)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;
}

long long fpow( long long q, long long cur ) {
    if ( cur == 1 ) return q ;
    if ( cur == 0 ) return 1 ;
    long long izq = fpow(q, cur/2) ;
    long long ot = (cur%2)*q ;
    return (((izq*izq)%MOD)*ot)%MOD ;
}
//----------------------

int countReplacement(int n, int inputSeq[])
{
    if ( valid(n, inputSeq) == 0 ) return 0 ;
    if ( replacement (n,inputSeq,arr) == 0 ) return 1 ;
    sort ( inputSeq, inputSeq + n ) ;
    long long ans = 1 ;
    if ( inputSeq[0] > n ) ans = n ;
    int nRep = n ;
    for ( int i = 0 ; i < nRep ; ++i ) {
        long long cur = inputSeq[i] - n ;
        if ( cur <= 0 ) continue ;
        cur-- ;
        long long q = nRep-i ;
        n = inputSeq[i] ;
        ans *= (fpow(q,cur)%MOD) ;
        ans %= MOD;
    }
    return ans ;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 256 KB Output is correct
6 Correct 17 ms 2420 KB Output is correct
7 Correct 42 ms 4080 KB Output is correct
8 Correct 37 ms 4184 KB Output is correct
9 Correct 11 ms 1656 KB Output is correct
10 Correct 39 ms 5052 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 380 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 17 ms 2420 KB Output is correct
7 Correct 47 ms 4080 KB Output is correct
8 Correct 33 ms 4212 KB Output is correct
9 Correct 10 ms 1656 KB Output is correct
10 Correct 40 ms 4976 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 21 ms 2220 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 68 ms 5104 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 17 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 296 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 13 ms 1268 KB Output is correct
12 Correct 14 ms 1264 KB Output is correct
13 Correct 18 ms 1268 KB Output is correct
14 Correct 14 ms 1264 KB Output is correct
15 Correct 26 ms 2460 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Incorrect 2 ms 376 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Incorrect 2 ms 376 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 252 KB Output is correct
3 Correct 2 ms 276 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Incorrect 2 ms 256 KB Output isn't correct
6 Halted 0 ms 0 KB -