#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 l1=max(max(two_input[i].fi-two_input[0].fi,premax[i]-premin[i]),1);
ll l2=max(max(sufmax[i+1]-sufmin[i+1],two_input[n-1].fi-two_input[i+1].fi),1);
ll l=max(l1,l2);
if(l<le){
le=l;
an[0]={two_input[i].fi-l1,premin[i],l1};
an[1]={two_input[i+1].fi,sufmin[i+1],l2};
}
}
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 l1=max(max(two_input[i].fi-two_input[0].fi,premax[i]-premin[i]),1);
ll l2=max(max(sufmax[i+1]-sufmin[i+1],two_input[n-1].fi-two_input[i+1].fi),1);
ll l=max(l1,l2);
if(l<le){
le=l;
an[0]={premin[i],two_input[i].fi-l1,l1};
an[1]={sufmin[i+1],two_input[i+1].fi,l2};
}
}
for(int i=0;i<n;i++)swap(two_input[i].fi,two_input[i].se);
return {an[0],an[1]};
}
inline vector<vector<ll> > find_two_part(){
// top right and bottom right
one_input=two_input;
an[0]=find_one_square();
an[1]={2012345678,2012345678,1};
ll le=an[0][2];
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 l1=max(max(two_input[i].fi-two_input[0].fi,premax[i]-premin[i]),1);
ll l2=max(max(sufmax[i+1]-sufmin[i+1],two_input[n-1].fi-two_input[i+1].fi),1);
ll l=max(l1,l2);
if(l<le){
le=l;
an[0]={premin[i],two_input[i].fi-l1,l1};
an[1]={sufmin[i+1],two_input[i+1].fi,l2};
}
}
for(int i=0;i<n;i++)swap(two_input[i].fi,two_input[i].se);
return {an[0],an[1]};
}
vector<ii> par_input;
inline vector<vector<ll> > parallel(){
vector<int> disc;
for(int i=0;i<n;i++){
if(i==0)disc.pb(i);
else if(par_input[i].fi>par_input[i-1].fi)disc.pb(i);
}
int pmin[n],pmax[n],smin[n],smax[n];
for(int i=0;i<n;i++){
if(i==0)pmin[i]=pmax[i]=par_input[i].se;
else pmin[i]=min(pmin[i-1],par_input[i].se),pmax[i]=max(pmax[i-1],par_input[i].se);
}
for(int i=n-1;i>=0;i--){
if(i==n-1)smin[i]=smax[i]=par_input[i].se;
else smin[i]=min(smin[i+1],par_input[i].se),smax[i]=max(smax[i+1],par_input[i].se);
}
int l=1,r=2*INF;
while(l<r){
int m=(l+r+1)/2;
int idx1=-1;
for(int i=1;i<SZ(disc);i++){
int cur=disc[i]-1;
if(max(pmax[cur]-pmin[cur],par_input[cur].fi-par_input[0].fi)<=m){
idx1=cur;
}else break;
}
int idx3=n;
for(int i=SZ(disc)-1;i>=0;i--){
int cur=disc[i];
if(max(smax[cur]-smin[cur],par_input[n-1].fi-par_input[cur].fi)<=m){
idx3=cur;
}else break;
}
int mn=2*INF,mx=-2*INF;
for(int i=idx1+1;i<idx3-1;i++){
mn=min(mn,par_input[i].se);
mx=max(mx,par_input[i].se);
}
if(mn>mx)l=m;
else if(mx-mn<=par_input[idx3].fi-1-par_input[idx1].fi+1&&
max(mx-mn,par_input[idx3-1].fi-par_input[idx1+1].fi)<=m)l=m;
else r=m-1;
}
int idx1=-1;
for(int i=1;i<SZ(disc);i++){
int cur=disc[i]-1;
if(max(pmax[cur]-pmin[cur],par_input[cur].fi-par_input[0].fi)<=l){
idx1=cur;
}else break;
}
int l1=max(1,max(pmax[idx1]-pmin[idx1],par_input[idx1].fi-par_input[0].fi));
int x1=par_input[idx1].fi-l1,y1=pmin[idx1];
int idx3=n;
for(int i=SZ(disc)-1;i>=0;i--){
int cur=disc[i];
if(max(smax[cur]-smin[cur],par_input[n-1].fi-par_input[cur].fi)<=l){
idx3=cur;
}else break;
}
int l3=max(1,max(smax[idx3]-smin[idx3],par_input[n-1].fi-par_input[idx3].fi));
int x3=par_input[idx3].fi,y3=smin[idx3];
int mn=2*INF,mx=-2*INF;
for(int i=idx1+1;i<idx3-1;i++){
mn=min(mn,par_input[i].se);
mx=max(mx,par_input[i].se);
}
int l2=max(mx-mn,par_input[idx3-1].fi-par_input[idx1+1].fi);
int x2=min(par_input[idx3].fi-1-l2,par_input[idx1+1].fi);
return {{x1,y1,l1},{x2,mn,l2},{x3,y3,l3}};
}
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_part();
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_part();
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};
}
}
//1b: parallel
par_input=all;
a=parallel();
if(max(max(a[0][2],a[1][2]),a[2][2])<max(max(ans[0][2],ans[1][2]),ans[2][2])){
ans[0]=a[0];ans[1]=a[1];ans[2]=a[2];
}
//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]);
two_input=v;
a=find_two_part();
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_part();
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])){
a[0][0]=-a[0][0];a[1][0]=-a[1][0];
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]);
two_input=v;
a=find_two_part();
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_part();
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])){
swap(a[0][0],a[0][1]);swap(a[1][0],a[1][1]);
ans[0]=a[0];
ans[1]=a[1];
ans[2]={pmin[idx-1],all[idx-1].fi-L,L};
}
}
// 3b: parallel
par_input=all;
a=parallel();
if(max(max(a[0][2],a[1][2]),a[2][2])<max(max(ans[0][2],ans[1][2]),ans[2][2])){
swap(a[0][0],a[0][1]);swap(a[1][0],a[1][1]);swap(a[2][0],a[2][1]);
ans[0]=a[0];ans[1]=a[1];ans[2]=a[2];
}
//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]);
two_input=v;
a=find_two_part();
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_part();
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])){
a[0][0]=-a[0][0];a[1][0]=-a[1][0];
swap(a[0][0],a[0][1]);swap(a[1][0],a[1][1]);
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:228:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
228 | scanf("%d%d",&n,&k);
| ~~~~~^~~~~~~~~~~~~~
izvanzemaljci.cpp:231:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
231 | scanf("%d%d",&x,&y);
| ~~~~~^~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
304 KB |
Output is correct |
| 3 |
Correct |
0 ms |
308 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
312 KB |
Output is correct |
| 6 |
Correct |
1 ms |
312 KB |
Output is correct |
| 7 |
Correct |
25 ms |
3788 KB |
Output is correct |
| 8 |
Correct |
26 ms |
3772 KB |
Output is correct |
| 9 |
Correct |
24 ms |
3852 KB |
Output is correct |
| 10 |
Correct |
25 ms |
3812 KB |
Output is correct |
| 11 |
Correct |
35 ms |
3740 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 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 |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
47 ms |
6152 KB |
Output is correct |
| 11 |
Correct |
46 ms |
6192 KB |
Output is correct |
| 12 |
Correct |
45 ms |
6132 KB |
Output is correct |
| 13 |
Correct |
43 ms |
6080 KB |
Output is correct |
| 14 |
Correct |
49 ms |
6136 KB |
Output is correct |
| 15 |
Correct |
43 ms |
6224 KB |
Output is correct |
| 16 |
Correct |
45 ms |
6204 KB |
Output is correct |
| 17 |
Correct |
41 ms |
5792 KB |
Output is correct |
| 18 |
Correct |
43 ms |
5664 KB |
Output is correct |
| 19 |
Correct |
37 ms |
5136 KB |
Output is correct |
| 20 |
Correct |
41 ms |
5492 KB |
Output is correct |
| 21 |
Correct |
47 ms |
6080 KB |
Output is correct |
| 22 |
Correct |
44 ms |
6128 KB |
Output is correct |
| 23 |
Correct |
46 ms |
6092 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
312 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 |
304 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
280 KB |
Output is correct |
| 9 |
Incorrect |
1 ms |
308 KB |
Output isn't correct |
| 10 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
4 ms |
316 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
5 ms |
340 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
