oj.uz

Submission #127787

# Submission time Handle Problem Language Result Execution time Memory
127787 2019-07-10T06:09:36 Z tinjyu Gondola (IOI14_gondola) C++14
90 / 100
 26 ms 5880 KB 
#include "gondola.h"
#include <iostream>
using namespace std;
int ans[1000005];
int a[100005],b[100005],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

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2296 KB Output is correct
2 Correct 3 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

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2300 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 2300 KB Output is correct
5 Correct 5 ms 2296 KB Output is correct
6 Correct 9 ms 2424 KB Output is correct
7 Correct 19 ms 2680 KB Output is correct
8 Correct 15 ms 2680 KB Output is correct
9 Correct 8 ms 2296 KB Output is correct
10 Correct 16 ms 2552 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory 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 9 ms 2424 KB Output is correct
7 Correct 15 ms 2552 KB Output is correct
8 Correct 19 ms 2524 KB Output is correct
9 Correct 7 ms 2424 KB Output is correct
10 Correct 15 ms 2680 KB Output is correct
11 Correct 4 ms 2296 KB Output is correct
12 Correct 4 ms 2296 KB Output is correct
13 Correct 9 ms 2424 KB Output is correct
14 Correct 3 ms 2296 KB Output is correct
15 Correct 16 ms 2584 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory 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

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory 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 504 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 2 ms 376 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory 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
11 Correct 15 ms 1400 KB Output is correct
12 Correct 18 ms 1528 KB Output is correct
13 Correct 18 ms 1528 KB Output is correct
14 Correct 14 ms 1272 KB Output is correct
15 Correct 24 ms 2296 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2296 KB Output is correct
2 Correct 4 ms 2296 KB Output is correct
3 Correct 4 ms 2292 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory 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 5 ms 2296 KB Output is correct
6 Correct 4 ms 2296 KB Output is correct
7 Correct 5 ms 2296 KB Output is correct
8 Correct 5 ms 2296 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2296 KB Output is correct
2 Correct 4 ms 2296 KB Output is correct
3 Correct 4 ms 2344 KB Output is correct
4 Correct 4 ms 2296 KB Output is correct
5 Correct 4 ms 2300 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 3448 KB Output is correct
10 Correct 22 ms 3192 KB Output is correct
11 Correct 11 ms 2552 KB Output is correct
12 Correct 15 ms 2680 KB Output is correct
13 Correct 7 ms 2424 KB Output is correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory 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 2300 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 3324 KB Output is correct
10 Correct 22 ms 3192 KB Output is correct
11 Correct 11 ms 2680 KB Output is correct
12 Correct 12 ms 2680 KB Output is correct
13 Correct 7 ms 2424 KB Output is correct
14 Runtime error 22 ms 5880 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Halted 0 ms 0 KB -