#include<iostream>
#include<vector>
#include<random>
#include<ctime>
#include<tuple>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
inline bool check(const pair<pi,pi>&sq,const pi&p)
{
return sq.fi.fi<=p.fi&&p.fi<=sq.fi.se&&sq.se.fi<=p.se&&p.se<=sq.se.se;
}
inline pi get1(const vector<pair<pi,pi> >&v)
{
int xmx=-inf,ymx=-inf;
for(auto&t:v)
xmx=max(xmx,t.fi.fi),ymx=max(ymx,t.se.fi);
return pi(xmx,ymx);
}
inline pair<pi,pi>get2(const vector<pair<pi,pi> >&v)
{
int xmx=-inf,xmn=inf,ymx=-inf,ymn=inf;
for(auto&t:v)
xmx=max(xmx,t.fi.fi),ymx=max(ymx,t.se.fi),
xmn=min(xmn,t.fi.se),ymn=min(ymn,t.se.se);
pi p[4]={pi(xmx,ymx),pi(xmx,ymn),pi(xmn,ymn),pi(xmn,ymx)};
for(int i=0;i<2;i++)
{
int j=i+2;
bool f=1;
for(auto&t:v)
{
if(!check(t,p[i])&&!check(t,p[j]))
{
f=0;
break;
}
}
if(f)
return pair<pi,pi>(p[i],p[j]);
}
return pair<pi,pi>(pi(-1,-1),pi(-1,-1));
}
tuple<pi,pi,pi>get3(const vector<pair<pi,pi> >&v)
{
int xmx=-inf,xmn=inf,ymx=-inf,ymn=inf;
for(auto&t:v)
xmx=max(xmx,t.fi.fi),ymx=max(ymx,t.se.fi),
xmn=min(xmn,t.fi.se),ymn=min(ymn,t.se.se);
vector<pi>pv({pi(xmx,ymx),pi(xmx,ymn),pi(xmn,ymx),pi(xmn,ymn)});
for(pi&p:pv)
{
vector<pair<pi,pi> >nxv;
for(auto&t:v)
if(!check(t,p))
nxv.eb(t);
auto cget=get2(nxv);
if(cget.fi.fi!=-1)
return tuple<pi,pi,pi>(p,cget.fi,cget.se);
}
return tuple<pi,pi,pi>(pi(-1,-1),pi(-1,-1),pi(-1,-1));
}
tuple<pi,pi,pi,pi>get4(const vector<pair<pi,pi> >&v)
{
int xmx=-inf,xmn=inf,ymx=-inf,ymn=inf;
for(auto&t:v)
xmx=max(xmx,t.fi.fi),ymx=max(ymx,t.se.fi),
xmn=min(xmn,t.fi.se),ymn=min(ymn,t.se.se);
vector<pi>pv({pi(xmx,ymx),pi(xmx,ymn),pi(xmn,ymx),pi(xmn,ymn)});
for(pi&p:pv)
{
vector<pair<pi,pi> >nxv;
for(auto&t:v)
if(!check(t,p))
nxv.eb(t);
auto cget=get3(nxv);
if(get<0>(cget).fi!=-1)
return tuple<pi,pi,pi,pi>(p,get<0>(cget),get<1>(cget),get<2>(cget));
}
return tuple<pi,pi,pi,pi>(pi(-1,-1),pi(-1,-1),pi(-1,-1),pi(-1,-1));
}
tuple<pi,pi,pi,pi>get4_rand(const vector<pair<pi,pi> >&v)
{
int xmx=-inf,xmn=inf,ymx=-inf,ymn=inf;
for(auto&t:v)
xmx=max(xmx,t.fi.fi),ymx=max(ymx,t.se.fi),
xmn=min(xmn,t.fi.se),ymn=min(ymn,t.se.se);
vector<pi>pv;
for(auto&t:v)
if(t.fi.fi<=xmn)
pv.eb(xmn,t.se.fi);
mt19937 gen(time(NULL));
for(int i=0;i<(int)pv.size();i++)
swap(pv[i],pv[i+gen()%((int)pv.size()-i)]);
for(pi&p:pv)
{
vector<pair<pi,pi> >nxv;
for(auto&t:v)
if(!check(t,p))
nxv.eb(t);
auto cget=get3(nxv);
if(get<0>(cget).fi!=-1)
return tuple<pi,pi,pi,pi>(p,get<0>(cget),get<1>(cget),get<2>(cget));
}
return tuple<pi,pi,pi,pi>(pi(-1,-1),pi(-1,-1),pi(-1,-1),pi(-1,-1));
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n,k;
cin>>n>>k;
vector<pair<pi,pi> >v(n);
for(auto&t:v)
cin>>t.fi.fi>>t.se.fi>>t.fi.se>>t.se.se;
if(k==1)
{
pi ans=get1(v);
cout<<ans.fi<<' '<<ans.se<<endl;
return 0;
}
if(k==2)
{
auto ans=get2(v);
cout<<ans.fi.fi<<' '<<ans.fi.se<<' '<<ans.se.fi<<' '<<ans.se.se<<endl;
return 0;
}
if(k==3)
{
auto ans=get3(v);
cout<<get<0>(ans).fi<<' '<<get<0>(ans).se<<endl;
cout<<get<1>(ans).fi<<' '<<get<1>(ans).se<<endl;
cout<<get<2>(ans).fi<<' '<<get<2>(ans).se<<endl;
return 0;
}
{
auto ans=get4(v);
if(get<0>(ans).fi!=-1)
{
cout<<get<0>(ans).fi<<' '<<get<0>(ans).se<<endl;
cout<<get<1>(ans).fi<<' '<<get<1>(ans).se<<endl;
cout<<get<2>(ans).fi<<' '<<get<2>(ans).se<<endl;
cout<<get<3>(ans).fi<<' '<<get<3>(ans).se<<endl;
return 0;
}
}
auto ans=get4_rand(v);
cout<<get<0>(ans).fi<<' '<<get<0>(ans).se<<endl;
cout<<get<1>(ans).fi<<' '<<get<1>(ans).se<<endl;
cout<<get<2>(ans).fi<<' '<<get<2>(ans).se<<endl;
cout<<get<3>(ans).fi<<' '<<get<3>(ans).se<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
404 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
416 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
81 ms |
512 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
512 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
452 KB |
Output is correct |
20 |
Correct |
28 ms |
512 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
33 ms |
512 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
424 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
67 ms |
512 KB |
Output is correct |
32 |
Correct |
3 ms |
512 KB |
Output is correct |
33 |
Correct |
21 ms |
512 KB |
Output is correct |
34 |
Correct |
3 ms |
512 KB |
Output is correct |
35 |
Correct |
24 ms |
512 KB |
Output is correct |
36 |
Correct |
27 ms |
512 KB |
Output is correct |
37 |
Correct |
54 ms |
512 KB |
Output is correct |
38 |
Correct |
40 ms |
512 KB |
Output is correct |
39 |
Correct |
37 ms |
512 KB |
Output is correct |
40 |
Correct |
91 ms |
512 KB |
Output is correct |
41 |
Correct |
26 ms |
512 KB |
Output is correct |
42 |
Correct |
60 ms |
512 KB |
Output is correct |
43 |
Correct |
95 ms |
544 KB |
Output is correct |
44 |
Correct |
30 ms |
520 KB |
Output is correct |
45 |
Correct |
2 ms |
384 KB |
Output is correct |
46 |
Correct |
43 ms |
632 KB |
Output is correct |
47 |
Correct |
12 ms |
512 KB |
Output is correct |
48 |
Correct |
20 ms |
512 KB |
Output is correct |
49 |
Correct |
75 ms |
540 KB |
Output is correct |
50 |
Correct |
15 ms |
512 KB |
Output is correct |
51 |
Correct |
62 ms |
528 KB |
Output is correct |
52 |
Correct |
42 ms |
540 KB |
Output is correct |
53 |
Correct |
21 ms |
512 KB |
Output is correct |
54 |
Correct |
43 ms |
512 KB |
Output is correct |
55 |
Correct |
26 ms |
512 KB |
Output is correct |
56 |
Correct |
40 ms |
512 KB |
Output is correct |
57 |
Correct |
89 ms |
512 KB |
Output is correct |
58 |
Correct |
32 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
95 ms |
3520 KB |
Output is correct |
6 |
Correct |
113 ms |
3456 KB |
Output is correct |
7 |
Correct |
92 ms |
3576 KB |
Output is correct |
8 |
Correct |
94 ms |
3576 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
103 ms |
3524 KB |
Output is correct |
6 |
Correct |
123 ms |
3456 KB |
Output is correct |
7 |
Correct |
103 ms |
3456 KB |
Output is correct |
8 |
Correct |
106 ms |
3456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
404 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
115 ms |
5692 KB |
Output is correct |
14 |
Correct |
99 ms |
5616 KB |
Output is correct |
15 |
Correct |
101 ms |
5616 KB |
Output is correct |
16 |
Correct |
94 ms |
5696 KB |
Output is correct |
17 |
Correct |
102 ms |
5692 KB |
Output is correct |
18 |
Correct |
96 ms |
4676 KB |
Output is correct |
19 |
Correct |
103 ms |
7660 KB |
Output is correct |
20 |
Correct |
134 ms |
9996 KB |
Output is correct |
21 |
Correct |
98 ms |
7700 KB |
Output is correct |
22 |
Correct |
110 ms |
7660 KB |
Output is correct |
23 |
Correct |
106 ms |
7660 KB |
Output is correct |
24 |
Correct |
111 ms |
7740 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
416 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
81 ms |
512 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
512 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
452 KB |
Output is correct |
20 |
Correct |
28 ms |
512 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
33 ms |
512 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
424 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
67 ms |
512 KB |
Output is correct |
32 |
Correct |
3 ms |
512 KB |
Output is correct |
33 |
Correct |
21 ms |
512 KB |
Output is correct |
34 |
Correct |
3 ms |
512 KB |
Output is correct |
35 |
Correct |
24 ms |
512 KB |
Output is correct |
36 |
Correct |
27 ms |
512 KB |
Output is correct |
37 |
Correct |
54 ms |
512 KB |
Output is correct |
38 |
Correct |
40 ms |
512 KB |
Output is correct |
39 |
Correct |
37 ms |
512 KB |
Output is correct |
40 |
Correct |
91 ms |
512 KB |
Output is correct |
41 |
Correct |
26 ms |
512 KB |
Output is correct |
42 |
Correct |
60 ms |
512 KB |
Output is correct |
43 |
Correct |
95 ms |
544 KB |
Output is correct |
44 |
Correct |
30 ms |
520 KB |
Output is correct |
45 |
Correct |
2 ms |
384 KB |
Output is correct |
46 |
Correct |
43 ms |
632 KB |
Output is correct |
47 |
Correct |
12 ms |
512 KB |
Output is correct |
48 |
Correct |
20 ms |
512 KB |
Output is correct |
49 |
Correct |
75 ms |
540 KB |
Output is correct |
50 |
Correct |
15 ms |
512 KB |
Output is correct |
51 |
Correct |
62 ms |
528 KB |
Output is correct |
52 |
Correct |
42 ms |
540 KB |
Output is correct |
53 |
Correct |
21 ms |
512 KB |
Output is correct |
54 |
Correct |
43 ms |
512 KB |
Output is correct |
55 |
Correct |
26 ms |
512 KB |
Output is correct |
56 |
Correct |
40 ms |
512 KB |
Output is correct |
57 |
Correct |
89 ms |
512 KB |
Output is correct |
58 |
Correct |
32 ms |
512 KB |
Output is correct |
59 |
Correct |
126 ms |
7660 KB |
Output is correct |
60 |
Correct |
103 ms |
8512 KB |
Output is correct |
61 |
Correct |
99 ms |
7744 KB |
Output is correct |
62 |
Correct |
101 ms |
7916 KB |
Output is correct |
63 |
Correct |
107 ms |
7660 KB |
Output is correct |
64 |
Correct |
114 ms |
4600 KB |
Output is correct |
65 |
Correct |
105 ms |
7784 KB |
Output is correct |
66 |
Correct |
157 ms |
11832 KB |
Output is correct |
67 |
Correct |
140 ms |
9604 KB |
Output is correct |
68 |
Correct |
182 ms |
12496 KB |
Output is correct |
69 |
Correct |
178 ms |
13476 KB |
Output is correct |
70 |
Correct |
152 ms |
12132 KB |
Output is correct |
71 |
Correct |
99 ms |
9064 KB |
Output is correct |
72 |
Execution timed out |
3024 ms |
14224 KB |
Time limit exceeded |
73 |
Halted |
0 ms |
0 KB |
- |