Submission #285499

#	Time	Username	Problem	Language	Result	Execution time	Memory
285499		erd1	Gondola (IOI14_gondola)	C++14	20 / 100	15 ms	1280 KiB

gondola

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

int valid(int n, int inputSeq[]) {
  set<int> uses;
  if(find(inputSeq, inputSeq+n, 1) == inputSeq+n)return 0;
  rotate(inputSeq, find(inputSeq, inputSeq+n, 1), inputSeq+n);
  for(int i = 0; i < n; i++)if(inputSeq[i] != i+1) if(inputSeq[i] <= n)return 0; else if(uses.count(inputSeq[i])) return 0; else uses.insert(inputSeq[i]);
  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:9:31: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
    9 |   for(int i = 0; i < n; i++)if(inputSeq[i] != i+1) if(inputSeq[i] <= n)return 0; else if(uses.count(inputSeq[i])) return 0; else uses.insert(inputSeq[i]);
      |                               ^

• 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