제출 #718203

#제출 시각아이디문제언어결과실행 시간메모리
718203thimote75곤돌라 (IOI14_gondola)C++14
20 / 100
31 ms5068 KiB
#include "gondola.h"
#include <bits/stdc++.h>

using namespace std;

int valid(int n, int inputSeq[])
{
  set<int> omega;
  for (int i = 0; i < n; i ++) omega.insert(inputSeq[i]);
  if (omega.size() != n) return 0;

  int jStart = -1;
  for (int i = 0; i < n; i ++) {
    if (inputSeq[i] > n) continue ;

    jStart = i; 
    break;
  }

  if (jStart == -1) return 1;

  int start = jStart - inputSeq[jStart] + 1;
  if (start < 0) start += n;

  for (int mu = 0; mu < n; mu ++) {
    int nu = (start + mu);
    if (nu >= n) nu -= n;

    if (inputSeq[nu] > n) continue ;
    if (inputSeq[nu] != mu + 1)
      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:10:20: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   10 |   if (omega.size() != n) return 0;
      |       ~~~~~~~~~~~~~^~~~
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