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Submission #918313

# Submission time Handle Problem Language Result Execution time Memory
918313 2024-01-29T15:47:16 Z contest_alt Gondola (IOI14_gondola) C++17
20 / 100
 11 ms 1372 KB 
#include "gondola.h"

#include <algorithm>
#include <vector>

int valid( int n, int inputSeq[] ) {
  int shift_min = n, shift_max = -1;

  std::vector<int> vals( n );
  
  for( int i = 0 ; i < n ; i++ ){
    if( inputSeq[i] > n )
      continue;

    if( inputSeq[i] <= 0 )
      return false;

    vals[i] = inputSeq[i];

    int shift = (inputSeq[i] - 1 + n - i) % n;

    shift_min = std::min( shift_min, shift );
    shift_max = std::max( shift_max, shift );
  }

  std::sort( vals.begin(), vals.end() );
  for( int i = 1 ; i < n ; i++ )
    if( vals[i - 1] == vals[i] )
      return false;

  if( shift_max < 0 )
    return true;
  
  return shift_min == shift_max;
}

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

int replacement( int n, int gondolaSeq[], int replacementSeq[] ) {
  return -2;
}

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

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

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 5 ms 604 KB Output is correct
7 Correct 11 ms 968 KB Output is correct
8 Correct 7 ms 860 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 11 ms 860 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 5 ms 604 KB Output is correct
7 Correct 11 ms 1112 KB Output is correct
8 Correct 7 ms 856 KB Output is correct
9 Correct 3 ms 348 KB Output is correct
10 Correct 11 ms 856 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 11 ms 1372 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Integer -3 violates the range [0, 1000000008]
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Integer -3 violates the range [0, 1000000008]
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Integer -3 violates the range [0, 1000000008]
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 600 KB Integer -3 violates the range [0, 1000000008]
2 Halted 0 ms 0 KB -