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Submission #53121

# Submission time Handle Problem Language Result Execution time Memory
53121 2018-06-28T12:42:06 Z zetapi Gondola (IOI14_gondola) C++14
55 / 100
 29 ms 2648 KB 
#include "gondola.h"
#include "bits/stdc++.h"
using namespace std;
 
#define ll long long
 
const int MAX=1e6;
const ll mod=1e9+9;
 
int arr[MAX],fre[MAX];
 
ll power(ll base,ll exp)
{
	ll res=1;
	while(exp)
	{
		if(exp%2)
			res*=base;
		base*=base;
		res%=mod;
		base%=mod;
		exp/=2;
	}
	return res;
}
 
int valid(int n, int inputSeq[])
{
  	int N=n,ok=1;
	for(int A=0;A<N;A++)
	{
		fre[inputSeq[A]]++;
		if(fre[inputSeq[A]]>1)
		 	return 0;
	}
  	for(int A=0;A<N;A++)
  	{
  	  	if(inputSeq[A]<=N)
  	  	{	
		 	ok=0;
		 	inputSeq[A]--;
		 	for(int B=A;B>=0;B--)
		 	{
			 	arr[B]=inputSeq[A];
			 	inputSeq[A]--;
			 	if(inputSeq[A]<0)
			 		inputSeq[A]+=N;
		 	}
		 	inputSeq[A]=arr[A];
		 	for(int B=A+1;B<N;B++)
		 	{
		 		inputSeq[A]++;
		 		if(inputSeq[A]>=N)
		 			inputSeq[A]=0;
		 		arr[B]=inputSeq[A];
		 	}
		 	inputSeq[A]=arr[A]+1;
		 	break;
	  	}
  	}
  	if(ok)
  	 	return 1;
  	for(int A=0;A<N;A++)
  	 	arr[A]++;
  	for(int A=0;A<N;A++)
  	{
  	  	if(inputSeq[A]<=N and arr[A]!=inputSeq[A])
  	  		return 0;	
  	}
  	return 1;
}
 
//----------------------
 
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  	return -2;
}
 
//----------------------
 
//long long
int countReplacement(int n, int inputSeq[])
{
	if(!valid(n,inputSeq))
		return 0;
	sort(inputSeq,inputSeq+n);
	vector<ll> vec;
	for(int A=0;A<n;A++)
		if(inputSeq[A]>n)
			vec.push_back(inputSeq[A]);
	if(vec.empty())
		return 1;
	sort(vec.begin(),vec.end());
	ll res=1,ptr=0,cnt=vec.size();
	while(ptr<n and inputSeq[ptr]<=n)
		++ptr;
	for(int A=0;A<vec.size()-1;A++)
	{
		while(ptr<n and inputSeq[ptr]<=vec[A])
			++ptr,--cnt;
		//cout<<ptr<<"\n";
		//cout<<vec[A]<<" "<<cnt<<"\n";
		if(vec[A+1]-vec[A]>1)
		{
			res*=power(cnt,vec[A+1]-vec[A]-1);
			res%=mod;
		}
	}
	if(vec[0]!=n+1)
	{
		res*=power((ll)vec.size(),(vec[0]-n-1));
		res%=mod;
	}
	if(inputSeq[0]>n)
	{
		res*=(ll)n;
		res%=mod;
	}
	return res;
}
 
/*signed main()
{
	ios_base::sync_with_stdio(false);
	
	int arr[]={3,4};
	cout<<countReplacement(2,arr);
	return 0;
}*/

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:98:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int A=0;A<vec.size()-1;A++)
              ~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 584 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 584 KB Output is correct
2 Correct 2 ms 584 KB Output is correct
3 Correct 2 ms 584 KB Output is correct
4 Correct 2 ms 584 KB Output is correct
5 Correct 2 ms 584 KB Output is correct
6 Correct 7 ms 968 KB Output is correct
7 Correct 14 ms 1260 KB Output is correct
8 Correct 13 ms 1388 KB Output is correct
9 Correct 5 ms 1388 KB Output is correct
10 Correct 13 ms 1516 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1516 KB Output is correct
2 Correct 2 ms 1516 KB Output is correct
3 Correct 2 ms 1516 KB Output is correct
4 Correct 3 ms 1516 KB Output is correct
5 Correct 2 ms 1516 KB Output is correct
6 Correct 8 ms 1516 KB Output is correct
7 Correct 17 ms 1516 KB Output is correct
8 Correct 18 ms 1516 KB Output is correct
9 Correct 8 ms 1516 KB Output is correct
10 Correct 19 ms 1532 KB Output is correct
11 Correct 2 ms 1532 KB Output is correct
12 Correct 2 ms 1532 KB Output is correct
13 Correct 15 ms 1660 KB Output is correct
14 Correct 3 ms 1660 KB Output is correct
15 Correct 29 ms 1780 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 1780 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 1780 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 1780 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1780 KB Output is correct
2 Correct 2 ms 1780 KB Output is correct
3 Correct 2 ms 1780 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1780 KB Output is correct
2 Correct 2 ms 1780 KB Output is correct
3 Correct 2 ms 1780 KB Output is correct
4 Correct 2 ms 1780 KB Output is correct
5 Correct 2 ms 1780 KB Output is correct
6 Correct 3 ms 1780 KB Output is correct
7 Correct 2 ms 1780 KB Output is correct
8 Correct 2 ms 1780 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1780 KB Output is correct
2 Correct 2 ms 1780 KB Output is correct
3 Correct 2 ms 1780 KB Output is correct
4 Correct 2 ms 1780 KB Output is correct
5 Correct 2 ms 1780 KB Output is correct
6 Correct 2 ms 1780 KB Output is correct
7 Correct 2 ms 1780 KB Output is correct
8 Correct 2 ms 1780 KB Output is correct
9 Correct 22 ms 2536 KB Output is correct
10 Correct 20 ms 2536 KB Output is correct
11 Correct 10 ms 2536 KB Output is correct
12 Correct 10 ms 2536 KB Output is correct
13 Correct 4 ms 2536 KB Output is correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2536 KB Output is correct
2 Correct 2 ms 2536 KB Output is correct
3 Correct 2 ms 2536 KB Output is correct
4 Correct 2 ms 2536 KB Output is correct
5 Correct 2 ms 2536 KB Output is correct
6 Correct 2 ms 2536 KB Output is correct
7 Correct 2 ms 2536 KB Output is correct
8 Correct 2 ms 2536 KB Output is correct
9 Correct 22 ms 2648 KB Output is correct
10 Correct 18 ms 2648 KB Output is correct
11 Correct 15 ms 2648 KB Output is correct
12 Correct 12 ms 2648 KB Output is correct
13 Correct 4 ms 2648 KB Output is correct
14 Runtime error 18 ms 2648 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Halted 0 ms 0 KB -