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Submission #119645

# Submission time Handle Problem Language Result Execution time Memory
119645 2019-06-21T14:38:41 Z CaroLinda Gondola (IOI14_gondola) C++14
100 / 100
 87 ms 6008 KB 
#include <bits/stdc++.h>
#include "gondola.h"

#define lp(i,a,b) for(int i=a;i<b;i++)
#define ll long long
#define pii pair<int,int>
#define ff first
#define ss second
#define pb push_back

const int MOD=1e9+9;
const int maxn=1e5+10;

using namespace std ;

int valid(int n, int inputSeq[])
{
  set<int> s ;
  int k=-1 ;
  lp(i,0,n)
  {
    if( s.find(inputSeq[i]) != s.end() )
      return 0 ;
    s.insert(inputSeq[i]) ;
    if(inputSeq[i]<=n) k = i ;
  }
  if(k==-1) return 1 ;
  int count=(inputSeq[k]-k-1+n)%n+1 ;
  lp(i,0,n)
  {
    if(inputSeq[i]<=n && inputSeq[i]!=count)
      return 0 ;
    if (++count>n) count=1 ;
  }
  return 1 ;
}

int replacement(int n, int gondolaSeq[] , int replacementSeq[])
{
  
  int k=-1;
  lp(i,0,n)
  if(gondolaSeq[i]<=n)k=i ;

  int count ;

  if(k==-1)
    count=1 ;
  
  else count = (gondolaSeq[k]-k-1+n)%n+1 ;

  vector<pii> p ;

  lp(i,0,n)
  {
    if(gondolaSeq[i]>n)
    p.pb( pii( gondolaSeq[i] , count ) ) ;
    if(++count>n) count=1 ;
  }

  sort(p.begin(),p.end()) ;

  int ind=0 ;

  lp(i,0,p.size()){
    while(ind+n+1<=p[i].ff){
    replacementSeq[ind]=p[i].ss ;
    p[i].ss = ind+n+1 ;
    ind++ ;
    }
  }

  return ind ;

}

ll expo(ll x, int n)
{
    if(n==0) return 1 ;
    if(n==1) return x ;
    if(n%2==0)
    {
        ll aux=expo(x,n/2) ;
        return (aux*aux)%MOD ;
    }
    return (x*expo(x,n-1))%MOD ;
}

int countReplacement(int n, int inputSeq[])
{
    if(!valid(n,inputSeq)) return 0 ;
    int g ;
    for(g=0;g<n;g++)
    if(inputSeq[g]>n) break ;
    if(g==n+1) return 1 ;
    
    ll ans = 1 ;
    
    vector<int> p ;
    
    p.pb(n+1) ;
    
    lp(i,0,n)
    if(inputSeq[i]>n)
    p.pb(inputSeq[i]) ;

    if(p.size() == n+1 ) ans = n ;
    
    sort(p.begin(),p.end()) ;

    lp(i,1,p.size())
    {
        ans = (ans * expo(p.size() - i , p[i]-p[i-1] ) ) % MOD ;
        p[i] ++ ;
    }
    
    return ans ;
    
}

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:4:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define lp(i,a,b) for(int i=a;i<b;i++)
gondola.cpp:65:6:
   lp(i,0,p.size()){
      ~~~~~~~~~~~~               
gondola.cpp:65:3: note: in expansion of macro 'lp'
   lp(i,0,p.size()){
   ^~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:107:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(p.size() == n+1 ) ans = n ;
        ~~~~~~~~~^~~~~~
gondola.cpp:4:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define lp(i,a,b) for(int i=a;i<b;i++)
gondola.cpp:111:8:
     lp(i,1,p.size())
        ~~~~~~~~~~~~             
gondola.cpp:111:5: note: in expansion of macro 'lp'
     lp(i,1,p.size())
     ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 15 ms 2304 KB Output is correct
7 Correct 14 ms 768 KB Output is correct
8 Correct 29 ms 4088 KB Output is correct
9 Correct 10 ms 1536 KB Output is correct
10 Correct 38 ms 4600 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 16 ms 2304 KB Output is correct
7 Correct 12 ms 768 KB Output is correct
8 Correct 29 ms 4096 KB Output is correct
9 Correct 10 ms 1536 KB Output is correct
10 Correct 37 ms 4560 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 21 ms 2176 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 58 ms 4856 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 11 ms 640 KB Output is correct
12 Correct 11 ms 640 KB Output is correct
13 Correct 19 ms 1296 KB Output is correct
14 Correct 10 ms 640 KB Output is correct
15 Correct 20 ms 2260 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 49 ms 4472 KB Output is correct
10 Correct 43 ms 3832 KB Output is correct
11 Correct 21 ms 1524 KB Output is correct
12 Correct 18 ms 1920 KB Output is correct
13 Correct 6 ms 768 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 48 ms 4472 KB Output is correct
10 Correct 39 ms 3968 KB Output is correct
11 Correct 18 ms 1536 KB Output is correct
12 Correct 19 ms 1900 KB Output is correct
13 Correct 5 ms 768 KB Output is correct
14 Correct 63 ms 5368 KB Output is correct
15 Correct 87 ms 6008 KB Output is correct
16 Correct 12 ms 1408 KB Output is correct
17 Correct 47 ms 4216 KB Output is correct
18 Correct 24 ms 2532 KB Output is correct