oj.uz

Submission #638392

# Submission time Handle Problem Language Result Execution time Memory
638392 2022-09-05T17:50:07 Z ggoh Gondola (IOI14_gondola) C++14
100 / 100
 28 ms 3488 KB 
#include<gondola.h>
#include<bits/stdc++.h>
using namespace std;
typedef long long lint;
lint X=1e9+9;
lint po(lint p,int q)
{
  if(q==0)return 1ll;
  if(q==1)return p;
  lint o=po(p,q/2);
  o=o*o%X;
  if(q%2)return o*p%X;
  else return o;
}
int valid(int n, int inputSeq[])
{
  vector<int>check(n+1),copy(n);
  for(int i=0;i<n;i++)
  {
    copy[i]=inputSeq[i];
    if(inputSeq[i]<=n)check[inputSeq[i]]=i+1;
  }
  sort(copy.begin(),copy.end());
  for(int i=0;i<n;i++)if(copy[i]==copy[i+1])return 0;
  int c=0,ans=1,pos,t;
  for(int i=1;i<=n;i++)
  {
    if(check[i])
    {
      if(!c)c=i,pos=check[i];
      else
      {
        t=check[i]-pos;
        if(t<=0)t+=n;
        if(t!=i-c)ans=0;
      }
    }
  }
  return ans;
}
 
 
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  vector<int>top(n),ans;
  int c=0,pos;
  for(int i=0;i<n;i++)
  {
    if(gondolaSeq[i]<=n)
    {
      c=gondolaSeq[i];
      pos=i;
    }
  }
  int left=0;
  if(c)
  {
    left=pos-(c-1);
  }
  vector<pair<int,int>>newG;
  for(int i=0;i<n;i++)
  {
    top[i]=i+1;
    newG.push_back({gondolaSeq[i],(i+n-left)%n});
  }
  sort(newG.begin(),newG.end());
  int t=n+1;
  for(auto &k:newG)
  {
    if(top[k.second]==k.first)continue;
    ans.push_back(top[k.second]);
    top[k.second]=t;
    t++;
    while(top[k.second]!=k.first)
    {
      ans.push_back(top[k.second]);
      top[k.second]++;
      t++;
    }
  }
  int sz=(int)ans.size();
  for(int i=0;i<sz;i++)replacementSeq[i]=ans[i];
  return sz;
}
 
 
int countReplacement(int n, int inputSeq[])
{
  if(!valid(n,inputSeq))return 0;
  lint ans=1ll,mul;
  vector<int>top(n);
  int c=0,pos;
  for(int i=0;i<n;i++)
  {
    if(inputSeq[i]<=n)
    {
      c=inputSeq[i];
      pos=i;
    }
  }
  int left=0;
  if(c)
  {
    left=pos-(c-1);
  }
  else ans=n;
  vector<pair<int,int>>newG;
  for(int i=0;i<n;i++)
  {
    top[i]=i+1;
    newG.push_back({inputSeq[i],(i+n-left)%n});
  }
  mul=n;
  sort(newG.begin(),newG.end());
  int t=n+1;
  for(auto &k:newG)
  {
    if(k.first==k.second+1)mul--;
    else
    {
      ans*=po(mul,k.first-t);
      ans%=X;
      t=k.first+1;
      mul--;
    }
  }
  return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 724 KB Output is correct
7 Correct 13 ms 1352 KB Output is correct
8 Correct 12 ms 1076 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 12 ms 1300 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 724 KB Output is correct
7 Correct 17 ms 1236 KB Output is correct
8 Correct 9 ms 1084 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 13 ms 1184 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 6 ms 672 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 14 ms 1236 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 9 ms 1996 KB Output is correct
12 Correct 11 ms 2124 KB Output is correct
13 Correct 14 ms 1612 KB Output is correct
14 Correct 10 ms 1996 KB Output is correct
15 Correct 21 ms 2252 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 19 ms 1940 KB Output is correct
10 Correct 15 ms 1588 KB Output is correct
11 Correct 6 ms 804 KB Output is correct
12 Correct 7 ms 896 KB Output is correct
13 Correct 2 ms 468 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 20 ms 1972 KB Output is correct
10 Correct 18 ms 1560 KB Output is correct
11 Correct 6 ms 804 KB Output is correct
12 Correct 7 ms 896 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 25 ms 3244 KB Output is correct
15 Correct 28 ms 3488 KB Output is correct
16 Correct 5 ms 972 KB Output is correct
17 Correct 22 ms 2120 KB Output is correct
18 Correct 10 ms 1572 KB Output is correct