Submission #744351

# Submission time Handle Problem Language Result Execution time Memory
744351 2023-05-18T13:21:17 Z jamielim Izvanzemaljci (COI21_izvanzemaljci) C++14
26 / 100
48 ms 6344 KB
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define mp make_pair
#define pb emplace_back
#define ALL(x) x.begin(),x.end()
#define SZ(x) (int)x.size()
typedef long long ll;
typedef pair<int,int> ii;
typedef pair<ii,ii> i4;
typedef vector<int> vi;
const int MOD=1000000007;
const int INF=1012345678;
const ll LLINF=1012345678012345678LL;
const double PI=3.1415926536;
const double EPS=1e-14;

int n,k;
vector<ii> all;
int premin[100005];
int premax[100005];
int sufmin[100005];
int sufmax[100005];

vector<ii> one_input;
inline vector<ll> find_one_square(){
	if(SZ(one_input)==0)return {0,0,1};
	ll minx=LLINF,maxx=-LLINF,miny=LLINF,maxy=-LLINF;
	for(ii i:one_input){
		minx=min(minx,(ll)i.fi);
		maxx=max(maxx,(ll)i.fi);
		miny=min(miny,(ll)i.se);
		maxy=max(maxy,(ll)i.se);
	}
	ll l=max(1LL,max(maxx-minx,maxy-miny));
	return {minx,miny,l};
}
vector<ll> an[2];
vector<ii> two_input;
inline vector<vector<ll> > find_two_squares(){
	one_input=two_input;
	an[0]=find_one_square();
	an[1]={2012345678,2012345678,1};
	ll le=an[0][2];
	sort(ALL(two_input));
	for(int i=0;i<n;i++){
		if(i==0){
			premin[i]=two_input[i].se;
			premax[i]=two_input[i].se;
		}else{
			premin[i]=min(premin[i-1],two_input[i].se);
			premax[i]=max(premax[i-1],two_input[i].se);
		}
	}
	for(int i=n-1;i>=0;i--){
		if(i==n-1){
			sufmin[i]=two_input[i].se;
			sufmax[i]=two_input[i].se;
		}else{
			sufmin[i]=min(sufmin[i+1],two_input[i].se);
			sufmax[i]=max(sufmax[i+1],two_input[i].se);
		}
	}
	for(int i=0;i<n-1;i++){
		ll hor=max(max(two_input[i].fi-two_input[0].fi,two_input[n-1].fi-two_input[i+1].fi),1);
		ll ver=max(max(premax[i]-premin[i],sufmax[i+1]-sufmin[i+1]),1);
		ll l=max(hor,ver);
		if(l<le){
			le=l;
			an[0]={two_input[i].fi-l,premax[i]-l,l};
			an[1]={two_input[i+1].fi,sufmin[i+1],l};
		}
	}
	
	for(int i=0;i<n;i++)swap(two_input[i].fi,two_input[i].se);
	sort(ALL(two_input));
	for(int i=0;i<n;i++){
		if(i==0){
			premin[i]=two_input[i].se;
			premax[i]=two_input[i].se;
		}else{
			premin[i]=min(premin[i-1],two_input[i].se);
			premax[i]=max(premax[i-1],two_input[i].se);
		}
	}
	for(int i=n-1;i>=0;i--){
		if(i==n-1){
			sufmin[i]=two_input[i].se;
			sufmax[i]=two_input[i].se;
		}else{
			sufmin[i]=min(sufmin[i+1],two_input[i].se);
			sufmax[i]=max(sufmax[i+1],two_input[i].se);
		}
	}
	for(int i=0;i<n-1;i++){
		ll hor=max(max(two_input[i].fi-two_input[0].fi,two_input[n-1].fi-two_input[i+1].fi),1);
		ll ver=max(max(premax[i]-premin[i],sufmax[i+1]-sufmin[i+1]),1);
		ll l=max(hor,ver);
		if(l<le){
			le=l;
			an[0]={premax[i]-l,two_input[i].fi-l,l};
			an[1]={sufmin[i+1],two_input[i+1].fi,l};
		}
	}
	for(int i=0;i<n;i++)swap(two_input[i].fi,two_input[i].se);
	return {an[0],an[1]};
}

bool disjoint(vector<int> v1,vector<int> v2){
	return (v1[0]+v1[2]<v2[0])||(v2[0]+v2[2]<v1[0])||(v1[1]+v1[2]<v2[1])||(v2[1]+v2[2]<v1[1]);
}

int32_t main(){
	scanf("%d%d",&n,&k);
	int x,y;
	for(int i=0;i<n;i++){
		scanf("%d%d",&x,&y);
		all.pb(x,y);
	}
	if(k==1){
		one_input=all;
		vector<ll> ans=find_one_square();
		printf("%lld %lld %lld\n",ans[0],ans[1],ans[2]);
	}else if(k==2){
		two_input=all;
		vector<vector<ll> > ans=find_two_squares();
		for(int i=0;i<2;i++){for(int j=0;j<3;j++)printf("%lld ",ans[i][j]);printf("\n");}
	}else{
		two_input=all;
		vector<vector<ll> > ans=find_two_squares();
		vector<ll> tmp={2012345688,2012345688,1};
		ans.pb(tmp);
		if(n<=2){
			for(int i=0;i<3;i++){for(int j=0;j<3;j++)printf("%lld ",ans[i][j]);printf("\n");}
			return 0;
		}
		vector<vector<ll> > a;
		vector<ii> v;
		
		//printf("1\n");
		sort(ALL(all));
		vector<int> disc;
		for(int i=0;i<n;i++){
			if(i==0)disc.pb(i);
			else if(all[i].fi>all[i-1].fi)disc.pb(i);
		}
		int pmin[n],pmax[n];
		for(int i=0;i<n;i++){
			if(i==0){pmin[i]=all[i].se;pmax[i]=all[i].se;}
			else{pmin[i]=min(pmin[i-1],all[i].se);pmax[i]=max(pmax[i-1],all[i].se);}
		}
		int l=1,r=SZ(disc)-1;
		while(l<r){
			//printf("%d %d\n",l,r);
			int m=(l+r+1)/2;
			int idx=disc[m];
			v.clear();
			for(int i=idx;i<n;i++)v.pb(all[i]);
			two_input=v;
			a=find_two_squares();
			int L=max(max(all[idx-1].fi-all[0].fi,pmax[idx-1]-pmin[idx-1]),1);
			if(L>max(a[0][2],a[1][2]))r=m-1;
			else l=m;
		}
		for(int m=l;m<=l+1;m++){
			int idx=disc[m];
			v.clear();
			for(int i=idx;i<n;i++)v.pb(all[i]);
			two_input=v;
			a=find_two_squares();
			ll L=max(max(all[idx-1].fi-all[0].fi,pmax[idx-1]-pmin[idx-1]),1);
			ll maxl=max(L,max(a[0][2],a[1][2]));
			if(maxl<max(max(ans[0][2],ans[1][2]),ans[2][2])){
				ans[0]=a[0];
				ans[1]=a[1];
				ans[2]={all[idx-1].fi-L,pmin[idx-1],L};
			}
		}
		
		//printf("2\n");
		for(int i=0;i<n;i++)all[i].fi=-all[i].fi;
		sort(ALL(all));
		disc.clear();
		for(int i=0;i<n;i++){
			if(i==0)disc.pb(i);
			else if(all[i].fi>all[i-1].fi)disc.pb(i);
		}
		for(int i=0;i<n;i++){
			if(i==0){pmin[i]=all[i].se;pmax[i]=all[i].se;}
			else{pmin[i]=min(pmin[i-1],all[i].se);pmax[i]=max(pmax[i-1],all[i].se);}
		}
		l=1;r=SZ(disc)-1;
		while(l<r){
			int m=(l+r+1)/2;
			int idx=disc[m];
			v.clear();
			for(int i=idx;i<n;i++)v.pb(-all[i].fi,all[i].se);
			two_input=v;
			a=find_two_squares();
			int L=max(max(all[idx-1].fi-all[0].fi,pmax[idx-1]-pmin[idx-1]),1);
			if(L>max(a[0][2],a[1][2]))r=m-1;
			else l=m;
		}
		for(int m=l;m<=l+1;m++){
			int idx=disc[m];
			v.clear();
			for(int i=idx;i<n;i++)v.pb(-all[i].fi,all[i].se);
			two_input=v;
			a=find_two_squares();
			ll L=max(max(all[idx-1].fi-all[0].fi,pmax[idx-1]-pmin[idx-1]),1);
			ll maxl=max(L,max(a[0][2],a[1][2]));
			if(maxl<max(max(ans[0][2],ans[1][2]),ans[2][2])){
				ans[0]=a[0];
				ans[1]=a[1];
				ans[2]={-all[idx-1].fi,pmin[idx-1],L};
			}
		}
		
		//printf("3\n");
		for(int i=0;i<n;i++){all[i].fi=-all[i].fi;swap(all[i].fi,all[i].se);}
		sort(ALL(all));
		disc.clear();
		for(int i=0;i<n;i++){
			if(i==0)disc.pb(i);
			else if(all[i].fi>all[i-1].fi)disc.pb(i);
		}
		for(int i=0;i<n;i++){
			if(i==0){pmin[i]=all[i].se;pmax[i]=all[i].se;}
			else{pmin[i]=min(pmin[i-1],all[i].se);pmax[i]=max(pmax[i-1],all[i].se);}
		}
		l=1,r=SZ(disc)-1;
		while(l<r){
			int m=(l+r+1)/2;
			int idx=disc[m];
			v.clear();
			for(int i=idx;i<n;i++)v.pb(all[i].se,all[i].fi);
			two_input=v;
			a=find_two_squares();
			int L=max(max(all[idx-1].fi-all[0].fi,pmax[idx-1]-pmin[idx-1]),1);
			if(L>max(a[0][2],a[1][2]))r=m-1;
			else l=m;
		}
		for(int m=l;m<=l+1;m++){
			int idx=disc[m];
			v.clear();
			for(int i=idx;i<n;i++)v.pb(all[i].se,all[i].fi);
			two_input=v;
			a=find_two_squares();
			ll L=max(max(all[idx-1].fi-all[0].fi,pmax[idx-1]-pmin[idx-1]),1);
			ll maxl=max(L,max(a[0][2],a[1][2]));
			if(maxl<max(max(ans[0][2],ans[1][2]),ans[2][2])){
				ans[0]=a[0];
				ans[1]=a[1];
				ans[2]={pmin[idx-1],all[idx-1].fi-L,L};
			}
		}
		
		//printf("4\n");
		for(int i=0;i<n;i++)all[i].fi=-all[i].fi;
		sort(ALL(all));
		disc.clear();
		for(int i=0;i<n;i++){
			if(i==0)disc.pb(i);
			else if(all[i].fi>all[i-1].fi)disc.pb(i);
		}
		for(int i=0;i<n;i++){
			if(i==0){pmin[i]=all[i].se;pmax[i]=all[i].se;}
			else{pmin[i]=min(pmin[i-1],all[i].se);pmax[i]=max(pmax[i-1],all[i].se);}
		}
		l=1;r=SZ(disc)-1;
		while(l<r){
			int m=(l+r+1)/2;
			int idx=disc[m];
			v.clear();
			for(int i=idx;i<n;i++)v.pb(all[i].se,-all[i].fi);
			two_input=v;
			a=find_two_squares();
			int L=max(max(all[idx-1].fi-all[0].fi,pmax[idx-1]-pmin[idx-1]),1);
			if(L>max(a[0][2],a[1][2]))r=m-1;
			else l=m;
		}
		for(int m=l;m<=l+1;m++){
			int idx=disc[m];
			v.clear();
			for(int i=idx;i<n;i++)v.pb(all[i].se,-all[i].fi);
			two_input=v;
			a=find_two_squares();
			ll L=max(max(all[idx-1].fi-all[0].fi,pmax[idx-1]-pmin[idx-1]),1);
			ll maxl=max(L,max(a[0][2],a[1][2]));
			if(maxl<max(max(ans[0][2],ans[1][2]),ans[2][2])){
				ans[0]=a[0];
				ans[1]=a[1];
				ans[2]={pmin[idx-1],-all[idx-1].fi,L};
			}
		}
		
		for(int i=0;i<3;i++){for(int j=0;j<3;j++)printf("%lld ",ans[i][j]);printf("\n");}
	}
}
/*
5 2
1 3
3 1
5 5
5 10
7 7

5 3
1 3
3 1
5 5
5 10
7 7
*/

Compilation message

izvanzemaljci.cpp: In function 'int32_t main()':
izvanzemaljci.cpp:116:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  116 |  scanf("%d%d",&n,&k);
      |  ~~~~~^~~~~~~~~~~~~~
izvanzemaljci.cpp:119:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  119 |   scanf("%d%d",&x,&y);
      |   ~~~~~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 31 ms 4024 KB Output is correct
8 Correct 28 ms 3980 KB Output is correct
9 Correct 28 ms 3964 KB Output is correct
10 Correct 28 ms 3932 KB Output is correct
11 Correct 28 ms 3964 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 47 ms 6320 KB Output is correct
11 Correct 45 ms 6256 KB Output is correct
12 Correct 44 ms 6344 KB Output is correct
13 Correct 48 ms 6332 KB Output is correct
14 Correct 44 ms 6264 KB Output is correct
15 Correct 47 ms 6328 KB Output is correct
16 Correct 46 ms 6268 KB Output is correct
17 Correct 41 ms 5740 KB Output is correct
18 Correct 40 ms 5656 KB Output is correct
19 Correct 38 ms 5108 KB Output is correct
20 Correct 42 ms 5468 KB Output is correct
21 Correct 48 ms 6336 KB Output is correct
22 Correct 48 ms 6280 KB Output is correct
23 Correct 48 ms 6312 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Incorrect 1 ms 212 KB Output isn't correct
10 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 320 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 416 KB Output isn't correct
2 Halted 0 ms 0 KB -