제출 #818125

#제출 시각아이디문제언어결과실행 시간메모리
818125makanhulia곤돌라 (IOI14_gondola)C++17
25 / 100
8 ms664 KiB
#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;

bool vis[250005];

int valid(int n, int inputSeq[])
{
  bool drop = 0;
  int cur = -1;
  for (int i = 0; i < n; i++) {
    if (cur != -1) cur = (cur%n)+1;
    if (vis[inputSeq[i]]) return 0;
    vis[inputSeq[i]] = 1;
    if (inputSeq[i] > n) continue;
    // if (last > inputSeq[i] and drop) return 0;
    // if (last > inputSeq[i]) drop = 1;
    // last = inputSeq[i];
    // cout << cur << endl;
    if (cur == -1) cur = inputSeq[i];
    else if (cur != inputSeq[i]) return 0;
  }
  return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  int mx = 0;
  for (int i = 0; i < n; i++) {
    mx = max(mx, gondolaSeq[i]);
    vis[gondolaSeq[i]] = 1;
  }

  int counter = 0;
  for (int i = 1; i <= mx; i++) {
    if (vis[i]) continue;
    replacementSeq[counter] = i;
    counter++;
  }
  mx -= n;
  return mx;
}

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

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

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:9:8: warning: unused variable 'drop' [-Wunused-variable]
    9 |   bool drop = 0;
      |        ^~~~
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