제출 #838390

#제출 시각아이디문제언어결과실행 시간메모리
838390MohamedAhmed04곤돌라 (IOI14_gondola)C++14
20 / 100
26 ms5760 KiB
#include <bits/stdc++.h>
#include "gondola.h"

using namespace std ;

const int MAX = 2e5 + 10 ;

int arr[MAX] ;

int valid(int n, int inputSeq[])
{
	for(int i = 0 ; i < 2*n ; ++i)
		arr[i] = inputSeq[i%n] ;
	set<int>s ;
	for(int i = 0 ; i < n ; ++i)
		s.insert(arr[i]) ;
	if(s.size() != n)
		return 0 ;
	int idx = -1 ;
	for(int i = 0 ; i < n ; ++i)
	{
		if(arr[i] <= n)
			idx = i ;
	}
	if(idx == -1)
		return 1 ;
	int now = arr[idx]-1 ;
	for(int i = idx ; i < idx+n ; ++i)
	{
		++now ;
		if(now == n+1)
			now = 1 ;
		if(arr[i] != now && arr[i] <= n)
			return 0 ;
	}
	return 1 ;
}

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

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

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

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

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:17:14: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   17 |  if(s.size() != n)
      |     ~~~~~~~~~^~~~
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