Submission #818125

#	Time	Username	Problem	Language	Result	Execution time	Memory
818125		makanhulia	Gondola (IOI14_gondola)	C++17	25 / 100	8 ms	664 KiB

gondola

#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;
}

Compilation message (stderr)

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

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 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