Submission #441258

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
441258	2021-07-04 18:57:06	DavidDamian	Gondola (IOI14_gondola)	C++11	20 / 100	11 ms	1612 KiB

gondola

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#include "gondola.h"
#include <bits/stdc++.h>
int valid(int n, int inputSeq[])
{
  int firstPos = -1;
  int correctNumber = 0;
  for (int i = 0; i < n; i++) {
    if (inputSeq[i] <= n && firstPos == -1) {
      firstPos = i;
      correctNumber = inputSeq[i];
    }
    if (firstPos != -1) {
      if (inputSeq[i] <= n && correctNumber != inputSeq[i]) {
        return 0;
      }
      correctNumber = (correctNumber == n)? 1 : correctNumber + 1;
    }
  }
  int bucket[250005];
  memset(bucket, 0, sizeof(bucket));
  for (int i = 0; i < n; i++) {
    if (bucket[inputSeq[i]] == 1) 
      return 0;
    bucket[inputSeq[i]] = 1;
  }
  return 1;
}
//----------------------
 
 
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Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:61:19: warning: operation on 'correctNumber' may be undefined [-Wsequence-point]
   61 |     correctNumber = (correctNumber == n)? 1 : correctNumber++;
      |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gondola.cpp:66:19: warning: operation on 'correctNumber' may be undefined [-Wsequence-point]
   66 |     correctNumber = (correctNumber == n)? 1 : correctNumber++;
      |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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