oj.uz

Submission #14759

# Submission time Handle Problem Language Result Execution time Memory
14759 2015-06-21T13:52:13 Z progressive Gondola (IOI14_gondola) C++
75 / 100
 28 ms 3604 KB 
#include "gondola.h"
#include <vector>
#include <algorithm>
using namespace std;

int valid(int n, int inputSeq[])
{
	//duplication check
	vector<int> dupe;
	for(int i=0;i<n;i++)
		dupe.push_back(inputSeq[i]);
	sort(dupe.begin(),dupe.end());
	for(int i=0;i<n-1;i++)
		if(dupe[i]==dupe[i+1]) return 0;


	//rotatable check
	int key=-1;
	for(int i=0;i<n;i++)
		if(inputSeq[i]<=n)
			key=i;
	
	if(key==-1) return 1;

	for(int i=0;i<n;i++)
	{
		if(inputSeq[i]>n) continue;
		if((inputSeq[i]-inputSeq[key]+n)%n!=(i-key+n)%n) return 0;
		//do not have same diff
	}
	
	return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
	if(!valid(n,gondolaSeq)) return 0;
	
	int key=0;
	for(int i=0;i<n;i++)
		if(gondolaSeq[i]<=n)
			key=i;
	
	vector<int> newSeq;
	for(int i=0;i<n;i++)
		newSeq.push_back((i+(gondolaSeq[key]-1)-key+n)%n+1);
	
	vector<pair<int,int> > targetSeq;
	for(int i=0;i<n;i++)
		if(gondolaSeq[i]>n) targetSeq.push_back(make_pair(gondolaSeq[i],i));		
	sort(targetSeq.begin(),targetSeq.end());
	
	int tp=0; //top, return value
	for(int i=0;i<targetSeq.size();i++)
	{
		int ind=targetSeq[i].second;
		int val=targetSeq[i].first;
		while(tp+n<val)
		{
			replacementSeq[tp++]=newSeq[ind];
			newSeq[ind]=tp+n;
		}
	}
	return tp;
}

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

static const int mod=1000000009;
static int pow(int a,int b)
{
	if(b==0) return 1;
	int res=pow(a,b/2);
	res=(1LL*res*res)%mod;
	if(b%2==1) res=(1LL*res*a)%mod;
	return res;
}
int countReplacement(int n, int inputSeq[])
{
	if(!valid(n,inputSeq)) return 0;
	vector<int> p;	
	for(int i=0;i<n;i++)
		if(inputSeq[i]>n)
			p.push_back(inputSeq[i]);
	
	sort(p.begin(),p.end());
	
	int usin=p.size(); //using is keyword :(
	int ginputed=n; //max gondola input
	int ans=1;
	for(int i=0;i<p.size();i++)
	{
		ans=(1LL*ans*pow(usin--,p[i]-ginputed-1))%mod;
		ginputed=p[i];
	}
	return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2584 KB Output is correct
2 Correct 0 ms 2584 KB Output is correct
3 Correct 0 ms 2584 KB Output is correct
4 Correct 0 ms 2584 KB Output is correct
5 Correct 0 ms 2584 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2584 KB Output is correct
2 Correct 0 ms 2584 KB Output is correct
3 Correct 0 ms 2584 KB Output is correct
4 Correct 0 ms 2584 KB Output is correct
5 Correct 0 ms 2584 KB Output is correct
6 Correct 11 ms 2972 KB Output is correct
7 Correct 16 ms 3356 KB Output is correct
8 Correct 11 ms 3356 KB Output is correct
9 Correct 7 ms 2712 KB Output is correct
10 Correct 24 ms 3356 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2584 KB Output is correct
2 Correct 0 ms 2584 KB Output is correct
3 Correct 0 ms 2584 KB Output is correct
4 Correct 0 ms 2584 KB Output is correct
5 Correct 0 ms 2584 KB Output is correct
6 Correct 10 ms 2972 KB Output is correct
7 Correct 25 ms 3356 KB Output is correct
8 Correct 11 ms 3356 KB Output is correct
9 Correct 6 ms 2712 KB Output is correct
10 Correct 25 ms 3356 KB Output is correct
11 Correct 0 ms 2584 KB Output is correct
12 Correct 0 ms 2584 KB Output is correct
13 Correct 9 ms 2972 KB Output is correct
14 Correct 0 ms 2584 KB Output is correct
15 Correct 21 ms 3356 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2584 KB Output is correct
2 Correct 0 ms 2584 KB Output is correct
3 Correct 0 ms 2584 KB Output is correct
4 Correct 0 ms 2584 KB Output is correct
5 Correct 0 ms 2584 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2584 KB Output is correct
2 Correct 0 ms 2584 KB Output is correct
3 Correct 0 ms 2584 KB Output is correct
4 Correct 0 ms 2584 KB Output is correct
5 Correct 0 ms 2584 KB Output is correct
6 Correct 0 ms 2584 KB Output is correct
7 Correct 0 ms 2584 KB Output is correct
8 Correct 0 ms 2584 KB Output is correct
9 Correct 0 ms 2584 KB Output is correct
10 Correct 0 ms 2584 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2584 KB Output is correct
2 Correct 0 ms 2584 KB Output is correct
3 Correct 0 ms 2584 KB Output is correct
4 Correct 0 ms 2584 KB Output is correct
5 Correct 0 ms 2584 KB Output is correct
6 Correct 0 ms 2584 KB Output is correct
7 Correct 0 ms 2584 KB Output is correct
8 Correct 0 ms 2584 KB Output is correct
9 Correct 0 ms 2584 KB Output is correct
10 Correct 0 ms 2584 KB Output is correct
11 Correct 19 ms 3604 KB Output is correct
12 Correct 18 ms 3604 KB Output is correct
13 Correct 20 ms 3348 KB Output is correct
14 Correct 19 ms 3604 KB Output is correct
15 Correct 28 ms 3096 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2584 KB Output is correct
2 Correct 0 ms 2584 KB Output is correct
3 Correct 0 ms 2584 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2584 KB Output is correct
2 Correct 0 ms 2584 KB Output is correct
3 Correct 0 ms 2584 KB Output is correct
4 Correct 0 ms 2584 KB Output is correct
5 Correct 0 ms 2584 KB Output is correct
6 Correct 0 ms 2584 KB Output is correct
7 Correct 0 ms 2584 KB Output is correct
8 Correct 0 ms 2584 KB Output is correct

Subtask #9
0.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2584 KB Output is correct
2 Correct 0 ms 2584 KB Output is correct
3 Correct 0 ms 2584 KB Output is correct
4 Correct 0 ms 2584 KB Output is correct
5 Correct 0 ms 2584 KB Output is correct
6 Correct 0 ms 2584 KB Output is correct
7 Correct 0 ms 2584 KB Output is correct
8 Correct 0 ms 2584 KB Output is correct
9 Correct 20 ms 3356 KB Output is correct
10 Correct 18 ms 3092 KB Output is correct
11 Correct 6 ms 2836 KB Output is correct
12 Correct 11 ms 2836 KB Output is correct
13 Incorrect 0 ms 2584 KB Output isn't correct

Subtask #10
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2584 KB Output is correct
2 Correct 0 ms 2584 KB Output is correct
3 Correct 0 ms 2584 KB Output is correct
4 Correct 0 ms 2584 KB Output is correct
5 Correct 0 ms 2584 KB Output is correct
6 Correct 0 ms 2584 KB Output is correct
7 Correct 0 ms 2584 KB Output is correct
8 Correct 0 ms 2584 KB Output is correct
9 Correct 18 ms 3356 KB Output is correct
10 Correct 15 ms 3092 KB Output is correct
11 Correct 7 ms 2836 KB Output is correct
12 Correct 7 ms 2836 KB Output is correct
13 Incorrect 3 ms 2584 KB Output isn't correct
14 Halted 0 ms 0 KB -