Submission #516718

#	Time	Username	Problem	Language	Result	Execution time	Memory
516718		amukkalir	Gondola (IOI14_gondola)	C++17	10 / 100	8 ms	1108 KiB

gondola

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

int valid(int n, int inputSeq[])
{
  int s = -1; 
  bitset<250001> ud; 

  for(int i=0; i<n; i++) {
    if(inputSeq[i] <= n) {
      s = i; 
      break; 
    }
  }

  if(s != -1) {
    int val = inputSeq[s]-1; 
    s--; 
    for(int i=0; i<n; i++) {
      s = (s+1)%n; 
      val = ((val) % n) + 1; 
      if(inputSeq[s] <= n && inputSeq[s] != val || ud[inputSeq[s]]) return 0; 
      ud[inputSeq[s]] = 1; 
    }
  } 

  return 1; 
}

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

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

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

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

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:23:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   23 |       if(inputSeq[s] <= n && inputSeq[s] != val || ud[inputSeq[s]]) return 0;
      |          ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 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