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Submission #119643

# Submission time Handle Problem Language Result Execution time Memory
119643 2019-06-21T14:25:46 Z CaroLinda Gondola (IOI14_gondola) C++14
60 / 100
 52 ms 4728 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;
const int maxn=1e5+10;

using namespace std ;

bool ok = false ;

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) {ok=true;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 ;
  }
  ok=true ;
  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 ;
    int k=-1 ;
    lp(i,0,n)
    if(inputSeq[i]<=n) k=i ;

    ll ans=1 ;
    int count=1;
    
    if(k == -1) {k=0 ; ans=n ; }
    else count=(inputSeq[k]-k-1)%n+1 ;
    
    vector<int> p ;
    
    p.pb(n+1) ;
    
    lp(i,0,n)
    if(inputSeq[i]>n)
    p.pb(inputSeq[i]) ;
    
    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:68:6:
   lp(i,0,p.size()){
      ~~~~~~~~~~~~               
gondola.cpp:68:3: note: in expansion of macro 'lp'
   lp(i,0,p.size()){
   ^~
gondola.cpp: In function 'int countReplacement(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:119:8:
     lp(i,1,p.size())
        ~~~~~~~~~~~~             
gondola.cpp:119:5: note: in expansion of macro 'lp'
     lp(i,1,p.size())
     ^~
gondola.cpp:104:9: warning: variable 'count' set but not used [-Wunused-but-set-variable]
     int count=1;
         ^~~~~

Subtask #1
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 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct

Subtask #2
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
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 16 ms 2304 KB Output is correct
7 Correct 11 ms 640 KB Output is correct
8 Correct 29 ms 3960 KB Output is correct
9 Correct 10 ms 1536 KB Output is correct
10 Correct 39 ms 4600 KB Output is correct

Subtask #3
10.0 / 10.0

# 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 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 15 ms 2176 KB Output is correct
7 Correct 12 ms 640 KB Output is correct
8 Correct 29 ms 3960 KB Output is correct
9 Correct 10 ms 1536 KB Output is correct
10 Correct 38 ms 4500 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 21 ms 2176 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 52 ms 4728 KB Output is correct

Subtask #4
5.0 / 5.0

# 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 384 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct

Subtask #5
10.0 / 10.0

# 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 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 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
9 Correct 2 ms 512 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 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
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 10 ms 640 KB Output is correct
12 Correct 11 ms 640 KB Output is correct
13 Correct 15 ms 1288 KB Output is correct
14 Correct 10 ms 640 KB Output is correct
15 Correct 19 ms 2296 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
0 / 15.0

# 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 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Incorrect 2 ms 256 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #9
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 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 256 KB Output is correct
7 Incorrect 2 ms 256 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 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 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 3 ms 384 KB Output is correct
7 Incorrect 2 ms 256 KB Output isn't correct
8 Halted 0 ms 0 KB -