Submission #953598

#	Time	Username	Problem	Language	Result	Execution time	Memory
953598		emad234	Gondola (IOI14_gondola)	C++17	25 / 100	7 ms	1232 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define pii pair<ll, ll>
const ll mod = 1e9 + 7;
const ll mxN = 1e6 + 5;
using namespace std;
int valid(int n, int inputSeq[])
{
  vector<bool> vis(250000 + 3);
  int st = 0;
  int val = 1;
  for (int i = 0; i < n; i++)
  {
    if (vis[inputSeq[i]])
      return 0;
    vis[inputSeq[i]] = 1;
    if (inputSeq[i] <= n)
    {
      st = i;
      val = inputSeq[i];
    }
  }
  int og = st;
  while (1)
  {
    st++;
    val++;
    if (st >= n)
      st = 0;
    if (val > n)
      val = 1;
    if (st == og)
      break;
    if (inputSeq[st] != val && inputSeq[st] <= n)
      return 0;
  }
  return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  set<int>s;
  int mx = 0;
  for(int i = 0;i < n;i++) mx = max(mx,gondolaSeq[i]);
  for(int i = 1;i <= mx;i++) s.insert(i);
  for (int i = 0;i < n;i++) s.erase(gondolaSeq[i]);
  for(int i = n; i < mx;i++){
    replacementSeq[i - n] = *s.begin();
    s.erase(s.begin());
  }
  return mx - n;
}

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

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

• 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