oj.uz

답안 #127792

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
127792 2019-07-10T06:11:31 Z tinjyu 곤돌라 (IOI14_gondola) C++14
90 / 100
 26 ms 5368 KB 
#include "gondola.h"
#include <iostream>
using namespace std;
int ans[1000005];
int a[1000005],b[1000005],n;
int qs(int s,int e)
{
	if(s>=e)return 0;
	int l=s,r=e,mid=(a[l]+a[r])/2;
	while(l<=r)
	{
		while(a[l]<mid)l++;
		while(a[r]>mid)r--;
		if(l<=r)
		{
			swap(a[l],a[r]);
			swap(b[l],b[r]);
			l++;
			r--;
		}
	}
	qs(s,r);
	qs(l,e);
}
int valid(int N, int a[])
{
	n=N;
	int tmp=-1,mi=500005,tag[500005];
	for(int i=0;i<=500000;i++)tag[i]=0;
	for(int i=0;i<n;i++)
	{
		if(tag[a[i]]==1)return 0;
		tag[a[i]]++;
	}
	for(int i=0;i<n;i++)
	if(a[i]<=n && a[i]<mi)
	{
		tmp=i;
		mi=a[i];
	}
	if(tmp==-1)return 1;
	int p=n-1,i=tmp,t=mi;
	while(p--)
	{
		i++;
		i%=n;
		t++;
		if(a[i]<=n && a[i]!=t)return 0;
	}
 
	return 1;
}
 
 
//----------------------
 
int replacement(int N, int gondolaSeq[], int replacementSeq[])
{
	n=N;
	int t=-1;
	for(int i=0;i<n;i++)a[i]=gondolaSeq[i];
	for(int i=0;i<n;i++)
	{
		if(a[i]<=n)
		{
			t=i;
			break;
		}
	}
	if(t==-1)for(int i=0;i<n;i++)b[i]=i+1;
	else
	{
		b[t]=a[t];
		int now=a[t],i=t;
		int p=n-1;
		while(p--)
		{
			i++;
			i%=n;
			now=now%n+1;
			b[i]=now;
		}
	}
	//for(int i=0;i<n;i++)cout<<a[i]<<" "<<b[i]<<endl;
	qs(0,n-1);
	//for(int i=0;i<n;i++)cout<<a[i]<<" "<<b[i]<<endl;
	int ans1=0,x=n+1;
	for(int i=0;i<n;i++)
	{
		while(a[i]!=b[i])
		{
			
			replacementSeq[ans1]=b[i];
			b[i]=x;
			ans1++;
			x++;
		}
	}
  	return ans1;
}
 
//----------------------
 
int countReplacement(int N, int inputSeq[])
{
	if(valid(N,inputSeq)==0)return 0;
	n=N;
	int t=-1;
	for(int i=0;i<n;i++)a[i]=inputSeq[i];
	for(int i=0;i<n;i++)
	{
		if(a[i]<=n)
		{
			t=i;
			break;
		}
	}
	long long int ans1=1,x=n+1,tmp;
	if(t==-1)
	{
		for(int i=0;i<n;i++)b[i]=i+1;
		ans1=(ans1*n)%1000000009;
	}
	else
	{
		b[t]=a[t];
		long long int now=a[t],i=t;
		long long int p=n-1;
		while(p--)
		{
			i++;
			i%=n;
			now=now%n+1;
			b[i]=now;
		}
	}
	//for(int i=0;i<n;i++)cout<<a[i]<<" "<<b[i]<<endl;
	qs(0,n-1);
	//for(int i=0;i<n;i++)cout<<a[i]<<" "<<b[i]<<endl;
	
	
	for(long long int i=0;i<n;i++)
	{
		tmp=0;
		while(a[i]!=b[i])
		{
			
			b[i]=x;
			tmp++;
			x++;
		}
		if(tmp!=0)
		{
			ans[0]++;
			ans[ans[0]]=tmp;
		}
	}
	for(long long int i=1;i<=ans[0];i++)
	{
		//cout<<ans[i]<<" ";
		for(long long int j=1;j<=ans[i]-1;j++)ans1=(ans1*(ans[0]-i+1))%1000000009;
	}
  	return ans1;
}

Compilation message

gondola.cpp: In function 'int qs(int, int)':
gondola.cpp:24:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2296 KB Output is correct
2 Correct 4 ms 2296 KB Output is correct
3 Correct 4 ms 2296 KB Output is correct
4 Correct 4 ms 2296 KB Output is correct
5 Correct 4 ms 2296 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2296 KB Output is correct
2 Correct 4 ms 2296 KB Output is correct
3 Correct 4 ms 2296 KB Output is correct
4 Correct 4 ms 2296 KB Output is correct
5 Correct 3 ms 2296 KB Output is correct
6 Correct 9 ms 2424 KB Output is correct
7 Correct 16 ms 2680 KB Output is correct
8 Correct 13 ms 2552 KB Output is correct
9 Correct 7 ms 2424 KB Output is correct
10 Correct 15 ms 2680 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2296 KB Output is correct
2 Correct 5 ms 2296 KB Output is correct
3 Correct 4 ms 2296 KB Output is correct
4 Correct 4 ms 2296 KB Output is correct
5 Correct 3 ms 2296 KB Output is correct
6 Correct 8 ms 2424 KB Output is correct
7 Correct 15 ms 2552 KB Output is correct
8 Correct 14 ms 2580 KB Output is correct
9 Correct 7 ms 2296 KB Output is correct
10 Correct 15 ms 2636 KB Output is correct
11 Correct 3 ms 2296 KB Output is correct
12 Correct 3 ms 2296 KB Output is correct
13 Correct 9 ms 2424 KB Output is correct
14 Correct 4 ms 2296 KB Output is correct
15 Correct 16 ms 2680 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 252 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 15 ms 1272 KB Output is correct
12 Correct 16 ms 1400 KB Output is correct
13 Correct 18 ms 1528 KB Output is correct
14 Correct 14 ms 1272 KB Output is correct
15 Correct 25 ms 2296 KB Output is correct

Subtask #7
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2296 KB Output is correct
2 Correct 4 ms 2296 KB Output is correct
3 Correct 4 ms 2296 KB Output is correct

Subtask #8
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 2296 KB Output is correct
2 Correct 4 ms 2296 KB Output is correct
3 Correct 4 ms 2296 KB Output is correct
4 Correct 4 ms 2296 KB Output is correct
5 Correct 4 ms 2296 KB Output is correct
6 Correct 4 ms 2296 KB Output is correct
7 Correct 5 ms 2268 KB Output is correct
8 Correct 4 ms 2296 KB Output is correct

Subtask #9
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2296 KB Output is correct
2 Correct 4 ms 2268 KB Output is correct
3 Correct 4 ms 2296 KB Output is correct
4 Correct 4 ms 2296 KB Output is correct
5 Correct 4 ms 2296 KB Output is correct
6 Correct 4 ms 2296 KB Output is correct
7 Correct 4 ms 2296 KB Output is correct
8 Correct 4 ms 2296 KB Output is correct
9 Correct 26 ms 3420 KB Output is correct
10 Correct 23 ms 3320 KB Output is correct
11 Correct 12 ms 2808 KB Output is correct
12 Correct 12 ms 2808 KB Output is correct
13 Correct 7 ms 2428 KB Output is correct

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2296 KB Output is correct
2 Correct 4 ms 2296 KB Output is correct
3 Correct 4 ms 2296 KB Output is correct
4 Correct 4 ms 2296 KB Output is correct
5 Correct 4 ms 2296 KB Output is correct
6 Correct 4 ms 2296 KB Output is correct
7 Correct 4 ms 2296 KB Output is correct
8 Correct 4 ms 2296 KB Output is correct
9 Correct 26 ms 3444 KB Output is correct
10 Correct 26 ms 3320 KB Output is correct
11 Correct 12 ms 2808 KB Output is correct
12 Correct 12 ms 2808 KB Output is correct
13 Correct 7 ms 2424 KB Output is correct
14 Runtime error 22 ms 5368 KB Execution killed with signal 7 (could be triggered by violating memory limits)
15 Halted 0 ms 0 KB -