답안 #14761 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
14761	2015-06-21T14:05:39 Z	progressive	곤돌라 (IOI14_gondola)	C++	100 / 100	30 ms	3604 KB

gondola

#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 getpow(int a,int b)
{
	if(b==0) return 1;
	long long res=getpow(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 ginputed=n; //max gondola input
	long long ans=1LL;
	if(p.size()==n) ans=n;
	for(int i=0;i<p.size();i++)
	{
		ans=(1LL*ans*getpow(p.size()-i,p[i]-ginputed-1))%mod;
		ginputed=p[i];
	}
	return ans;
}

Subtask #1
5.0 / 5.0

#	결과	메모리	Grader output
1	Correct	2584 KB	Output is correct
2	Correct	2584 KB	Output is correct
3	Correct	2584 KB	Output is correct
4	Correct	2584 KB	Output is correct
5	Correct	2584 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	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	9 ms	2972 KB	Output is correct
7	Correct	23 ms	3356 KB	Output is correct
8	Correct	18 ms	3356 KB	Output is correct
9	Correct	7 ms	2712 KB	Output is correct
10	Correct	17 ms	3356 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	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	9 ms	2972 KB	Output is correct
7	Correct	19 ms	3356 KB	Output is correct
8	Correct	15 ms	3356 KB	Output is correct
9	Correct	0 ms	2712 KB	Output is correct
10	Correct	18 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	24 ms	3356 KB	Output is correct

Subtask #4
5.0 / 5.0

#	결과	메모리	Grader output
1	Correct	2584 KB	Output is correct
2	Correct	2584 KB	Output is correct
3	Correct	2584 KB	Output is correct
4	Correct	2584 KB	Output is correct
5	Correct	2584 KB	Output is correct

Subtask #5
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	2584 KB	Output is correct
2	Correct	2584 KB	Output is correct
3	Correct	2584 KB	Output is correct
4	Correct	2584 KB	Output is correct
5	Correct	2584 KB	Output is correct
6	Correct	2584 KB	Output is correct
7	Correct	2584 KB	Output is correct
8	Correct	2584 KB	Output is correct
9	Correct	2584 KB	Output is correct
10	Correct	2584 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	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	18 ms	3604 KB	Output is correct
12	Correct	18 ms	3604 KB	Output is correct
13	Correct	17 ms	3348 KB	Output is correct
14	Correct	18 ms	3604 KB	Output is correct
15	Correct	24 ms	3096 KB	Output is correct

Subtask #7
5.0 / 5.0

#	결과	메모리	Grader output
1	Correct	2584 KB	Output is correct
2	Correct	2584 KB	Output is correct
3	Correct	2584 KB	Output is correct

Subtask #8
15.0 / 15.0

#	결과	메모리	Grader output
1	Correct	2584 KB	Output is correct
2	Correct	2584 KB	Output is correct
3	Correct	2584 KB	Output is correct
4	Correct	2584 KB	Output is correct
5	Correct	2584 KB	Output is correct
6	Correct	2584 KB	Output is correct
7	Correct	2584 KB	Output is correct
8	Correct	2584 KB	Output is correct

Subtask #9
15.0 / 15.0

#	결과	실행 시간	메모리	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	25 ms	3356 KB	Output is correct
10	Correct	19 ms	3092 KB	Output is correct
11	Correct	8 ms	2836 KB	Output is correct
12	Correct	4 ms	2836 KB	Output is correct
13	Correct	2 ms	2584 KB	Output is correct

Subtask #10
10.0 / 10.0

#	결과	실행 시간	메모리	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	26 ms	3356 KB	Output is correct
10	Correct	19 ms	3092 KB	Output is correct
11	Correct	4 ms	2836 KB	Output is correct
12	Correct	9 ms	2836 KB	Output is correct
13	Correct	0 ms	2584 KB	Output is correct
14	Correct	29 ms	3604 KB	Output is correct
15	Correct	30 ms	3604 KB	Output is correct
16	Correct	8 ms	2836 KB	Output is correct
17	Correct	20 ms	3092 KB	Output is correct
18	Correct	14 ms	3092 KB	Output is correct

답안 #14761

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