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Submission #953693

# Submission time Handle Problem Language Result Execution time Memory
953693 2024-03-26T13:31:28 Z emad234 Gondola (IOI14_gondola) C++17
55 / 100
 14 ms 3676 KB 
#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 + 9;
const ll mxN = 3e5 + 5;
using namespace std;
int realS[mxN];
bool allB;
bool cnt;
int aval;
int mx = 0;
int valid(int n, int inputSeq[])
{
  allB = 1;
  memset(realS, 0, sizeof(realS));
  vector<bool> vis(250000 + 3);
  int st = 0;
  int val = 1;
  for (int i = 0; i < n; i++)
  {
    mx = max(mx, inputSeq[i]);

    if (!cnt && vis[inputSeq[i]])
      return 0;
    if(!cnt) vis[inputSeq[i]] = 1;
    if (inputSeq[i] <= n)
    {
      allB = 0;
      aval--;
      st = i;
      val = inputSeq[i];
    }
  }
  int og = st;
  while (1)
  {
    st++;
    val++;
    if (st >= n)
      st = 0;
    if (val > n)
      val = 1;
    if(!cnt) realS[inputSeq[st]] = val;
    if (st == og)
      break;
    if (inputSeq[st] != val && inputSeq[st] <= n)
      return 0;
  }
  return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  valid(n, gondolaSeq);
  int id = 0;
  for (int i = n + 1; i <= mx; i++)
  {
    if (!realS[i])
    {
      replacementSeq[id] = realS[mx];
      realS[mx] = i;
    }
    else
      replacementSeq[id] = realS[i];
    id++;
  }
  return id;
}

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

int countReplacement(int n, int inputSeq[])
{
  cnt = 1;
  aval = n;
  ll ans = 1;
  valid(n, inputSeq);
  int id = 0;
  for (int i = n + 1; i <= mx; i++)
  {
    if (!realS[i])
      ans *= aval;
    else
      aval--;
    ans %= mod;
  }
  if (allB)
    ans *= n;
  ans %= mod;
  return ans;
}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:83:7: warning: unused variable 'id' [-Wunused-variable]
   83 |   int id = 0;
      |       ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2648 KB Output is correct
4 Correct 1 ms 2648 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 3 ms 2652 KB Output is correct
7 Correct 7 ms 2744 KB Output is correct
8 Correct 6 ms 2652 KB Output is correct
9 Correct 2 ms 2492 KB Output is correct
10 Correct 6 ms 2908 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 0 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 3 ms 2652 KB Output is correct
7 Correct 6 ms 3160 KB Output is correct
8 Correct 6 ms 2908 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 7 ms 2820 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 4 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 7 ms 2904 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2904 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2648 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2492 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 7 ms 2748 KB Output is correct
12 Correct 7 ms 2908 KB Output is correct
13 Correct 9 ms 3160 KB Output is correct
14 Correct 6 ms 2904 KB Output is correct
15 Correct 14 ms 3676 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2648 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2652 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2652 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2652 KB Output isn't correct
2 Halted 0 ms 0 KB -