oj.uz

Submission #420920

# Submission time Handle Problem Language Result Execution time Memory
420920 2021-06-08T14:54:29 Z Pyqe Izvanzemaljci (COI21_izvanzemaljci) C++14
56 / 100
 173 ms 14840 KB 
#include <bits/stdc++.h>

using namespace std;

#define mp make_pair
#define fr first
#define sc second

const long long ma=1e9,inf=1e18;
long long n,d,nn;
pair<long long,long long> a[4][100069],as[4][100069],a2[100069];
pair<pair<long long,long long>,long long> ca[3],sq[3];
bitset<100069> vtd;

int main()
{
	long long i,j,ii,im,x,y,k,l,w,p,mn,mx,mn2,mx2,lh,rh,md;
	bool bad;
	
	scanf("%lld%lld",&n,&d);
	for(i=1;i<=n;i++)
	{
		scanf("%lld%lld",&x,&y);
		a[0][i]={x,y};
	}
	for(im=0;im<4;im++)
	{
		sort(a[im]+1,a[im]+n+1);
		for(i=1;i<=n;i++)
		{
			as[im][i]={a[im][i].sc,i};
		}
		sort(as[im]+1,as[im]+n+1);
		if(im<3)
		{
			for(i=1;i<=n;i++)
			{
				x=a[im][i].fr;
				y=a[im][i].sc;
				a[im+1][i]={y,-x};
			}
		}
	}
	for(lh=1,rh=ma*2;lh<=rh;)
	{
		md=(lh+rh)/2;
		bad=0;
		for(im=0;im<4;im++)
		{
			if(d==1)
			{
				if(!im)
				{
					mn=inf;
					mx=-inf;
					mn2=inf;
					mx2=-inf;
					for(i=1;i<=n;i++)
					{
						x=a[im][i].fr;
						y=a[im][i].sc;
						mn=min(mn,y);
						mx=max(mx,y);
						if(mx-mn>md||x-a[im][1].fr>md)
						{
							break;
						}
						mn2=mn;
						mx2=mx;
					}
					if(i>n)
					{
						bad=1;
						sq[0]={{a[im][1].fr,mn2},md};
					}
				}
			}
			else if(d==2)
			{
				if(im<2)
				{
					l=0;
					for(ii=0;ii<2;ii++)
					{
						mn=inf;
						mx=-inf;
						k=l;
						mn2=inf;
						mx2=-inf;
						for(i=l+1;i<=n;i++)
						{
							x=a[im][i].fr;
							y=a[im][i].sc;
							mn=min(mn,y);
							mx=max(mx,y);
							if(mx-mn>md||x-a[im][l+1].fr>md)
							{
								break;
							}
							if(i==n||x!=a[im][i+1].fr)
							{
								k=i;
								mn2=mn;
								mx2=mx;
							}
						}
						if(!ii)
						{
							ca[ii]={{a[im][k].fr-md,mn2},md};
						}
						else
						{
							ca[ii]={{a[im][l+1].fr,mn2},md};
						}
						l=k;
					}
					if(i>n)
					{
						bad=1;
						for(j=0;j<d;j++)
						{
							sq[j]=ca[j];
						}
					}
				}
			}
			else
			{
				mn=inf;
				mx=-inf;
				k=0;
				mn2=inf;
				mx2=-inf;
				vtd.reset();
				for(i=1;i<=n;i++)
				{
					p=as[im][i].sc;
					x=a[im][p].fr;
					y=a[im][p].sc;
					mn=min(mn,x);
					mx=max(mx,x);
					if(mx-mn>md||y-as[im][1].fr>md)
					{
						break;
					}
					if(i==n||y!=as[im][i+1].fr)
					{
						mn2=mn;
						mx2=mx;
						for(;k<i;)
						{
							k++;
							vtd[as[im][k].sc]=1;
						}
					}
				}
				ca[0]={{mn2,as[im][k].fr-md},md};
				nn=0;
				for(i=1;i<=n;i++)
				{
					if(!vtd[i])
					{
						nn++;
						a2[nn]=a[im][i];
					}
				}
				l=0;
				for(ii=0;ii<2;ii++)
				{
					mn=inf;
					mx=-inf;
					k=l;
					mn2=inf;
					mx2=-inf;
					for(i=l+1;i<=nn;i++)
					{
						x=a2[i].fr;
						y=a2[i].sc;
						mn=min(mn,y);
						mx=max(mx,y);
						if(mx-mn>md||x-a2[l+1].fr>md)
						{
							break;
						}
						if(i==nn||x!=a2[i+1].fr)
						{
							k=i;
							mn2=mn;
							mx2=mx;
						}
					}
					if(!ii)
					{
						ca[ii+1]={{a2[k].fr-md,mn2},md};
					}
					else
					{
						ca[ii+1]={{a2[l+1].fr,mn2},md};
					}
					l=k;
				}
				if(i>nn)
				{
					bad=1;
					for(j=0;j<d;j++)
					{
						sq[j]=ca[j];
					}
				}
				if(im<2)
				{
					
				}
			}
			for(i=0;i<d;i++)
			{
				x=sq[i].fr.fr;
				y=sq[i].fr.sc;
				w=sq[i].sc;
				sq[i].fr={y,-x-w};
			}
		}
		if(bad)
		{
			rh=md-1;
		}
		else
		{
			lh=md+1;
		}
	}
	for(i=0;i<d;i++)
	{
		x=sq[i].fr.fr;
		y=sq[i].fr.sc;
		w=sq[i].sc;
		if(x<-ma*3||y<-ma*3||x>ma*3||y>ma*3)
		{
			x=min(max(x,-ma*3),ma*3);
			y=min(max(y,-ma*3),ma*3);
			w=1;
		}
		printf("%lld %lld %lld\n",x,y,w);
	}
}

Compilation message

izvanzemaljci.cpp: In function 'int main()':
izvanzemaljci.cpp:17:44: warning: variable 'mx2' set but not used [-Wunused-but-set-variable]
   17 |  long long i,j,ii,im,x,y,k,l,w,p,mn,mx,mn2,mx2,lh,rh,md;
      |                                            ^~~
izvanzemaljci.cpp:20:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |  scanf("%lld%lld",&n,&d);
      |  ~~~~~^~~~~~~~~~~~~~~~~~
izvanzemaljci.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |   scanf("%lld%lld",&x,&y);
      |   ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 106 ms 12696 KB Output is correct
8 Correct 105 ms 12740 KB Output is correct
9 Correct 118 ms 12704 KB Output is correct
10 Correct 102 ms 12728 KB Output is correct
11 Correct 103 ms 12804 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 107 ms 14716 KB Output is correct
11 Correct 106 ms 14740 KB Output is correct
12 Correct 109 ms 14812 KB Output is correct
13 Correct 111 ms 14788 KB Output is correct
14 Correct 109 ms 14840 KB Output is correct
15 Correct 113 ms 14748 KB Output is correct
16 Correct 109 ms 14824 KB Output is correct
17 Correct 97 ms 13508 KB Output is correct
18 Correct 96 ms 13200 KB Output is correct
19 Correct 92 ms 11988 KB Output is correct
20 Correct 92 ms 12768 KB Output is correct
21 Correct 106 ms 14816 KB Output is correct
22 Correct 131 ms 14668 KB Output is correct
23 Correct 114 ms 14792 KB Output is correct

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 460 KB Output is correct
2 Correct 2 ms 440 KB Output is correct
3 Correct 2 ms 440 KB Output is correct
4 Correct 2 ms 460 KB Output is correct
5 Correct 2 ms 460 KB Output is correct
6 Correct 2 ms 472 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 2 ms 460 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 2 ms 460 KB Output is correct
13 Correct 3 ms 460 KB Output is correct
14 Correct 2 ms 460 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 2 ms 460 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 3 ms 468 KB Output is correct
19 Correct 2 ms 440 KB Output is correct
20 Correct 2 ms 460 KB Output is correct
21 Correct 2 ms 460 KB Output is correct
22 Correct 2 ms 460 KB Output is correct
23 Correct 2 ms 460 KB Output is correct
24 Correct 2 ms 460 KB Output is correct

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 460 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 2 ms 460 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 2 ms 448 KB Output is correct
8 Correct 2 ms 460 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 2 ms 452 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 2 ms 460 KB Output is correct
13 Correct 2 ms 460 KB Output is correct
14 Incorrect 173 ms 12920 KB Output isn't correct
15 Halted 0 ms 0 KB -