#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ld double
#define sz(x) (int)x.size()
#define all(x) x.begin(),x.end()
#define pb emplace_back
#define X first
#define Y second
const int N = 2e5 + 5;
typedef pair<int,int> ii;
struct Rec {
int l, r;
int u, d;
} a[N];
Rec p[4];
Rec inf;
Rec operator & (const Rec&a,const Rec&b) {
Rec c;
c.l = max(a.l,b.l);
c.u = max(a.u,b.u);
c.r = min(a.r,b.r);
c.d = min(a.d,b.d);
return c;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
srand(time(NULL));
int n; cin >> n;
int k; cin >> k;
inf.l = inf.u = 1;
inf.r = inf.d = 1e9 ;
vector<int> v1;
vector<int> v2;
for(int i = 0 ; i < n ; ++i) {
cin >> a[i].l >> a[i].u;
cin >> a[i].r >> a[i].d;
v2.push_back(i);
}
while (1) {
vector<int> nxt = v2; v2.clear();
fill(p,p + k,inf);
for(int i : nxt) {
bool ok = 0;
for(int j = 0 ; j < k ; ++j) {
Rec T = p[j] & a[i];
if (T.l > T.r) continue;
if (T.u > T.d) continue;
p[j] = T;
ok = 1;
break;
}
if (ok) v1.pb(i);
else v2.pb(i);
}
if (v2.empty()) {
for(int i = 0 ; i < k ; ++i)
cout << p[i].l << " " << p[i].u << "\n";
return 0;
}
random_shuffle(all(v2));
v2.insert(v2.end(),v1.begin(),v1.end());
v1.clear();
}
}
//https://codeforces.com/blog/entry/74871?#comment-590859
# |
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 |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 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 |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
416 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 |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
3 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 |
2 ms |
436 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
360 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 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 |
384 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 |
2 ms |
384 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
384 KB |
Output is correct |
35 |
Correct |
2 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
1 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
384 KB |
Output is correct |
40 |
Correct |
2 ms |
384 KB |
Output is correct |
41 |
Correct |
2 ms |
384 KB |
Output is correct |
42 |
Correct |
2 ms |
384 KB |
Output is correct |
43 |
Correct |
2 ms |
384 KB |
Output is correct |
44 |
Correct |
2 ms |
384 KB |
Output is correct |
45 |
Correct |
2 ms |
384 KB |
Output is correct |
46 |
Correct |
2 ms |
384 KB |
Output is correct |
47 |
Correct |
1 ms |
384 KB |
Output is correct |
48 |
Correct |
2 ms |
384 KB |
Output is correct |
49 |
Correct |
2 ms |
384 KB |
Output is correct |
50 |
Correct |
2 ms |
384 KB |
Output is correct |
51 |
Correct |
2 ms |
384 KB |
Output is correct |
52 |
Correct |
2 ms |
384 KB |
Output is correct |
53 |
Correct |
2 ms |
384 KB |
Output is correct |
54 |
Correct |
2 ms |
384 KB |
Output is correct |
55 |
Correct |
2 ms |
384 KB |
Output is correct |
56 |
Correct |
2 ms |
384 KB |
Output is correct |
57 |
Correct |
1 ms |
384 KB |
Output is correct |
58 |
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 |
1 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 |
96 ms |
6640 KB |
Output is correct |
6 |
Correct |
95 ms |
6636 KB |
Output is correct |
7 |
Correct |
99 ms |
6640 KB |
Output is correct |
8 |
Correct |
102 ms |
6512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 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 |
101 ms |
6636 KB |
Output is correct |
6 |
Correct |
125 ms |
6648 KB |
Output is correct |
7 |
Correct |
103 ms |
6512 KB |
Output is correct |
8 |
Correct |
129 ms |
6596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 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 |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 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 |
136 ms |
6640 KB |
Output is correct |
14 |
Correct |
111 ms |
6536 KB |
Output is correct |
15 |
Correct |
170 ms |
6540 KB |
Output is correct |
16 |
Correct |
102 ms |
6640 KB |
Output is correct |
17 |
Correct |
113 ms |
6568 KB |
Output is correct |
18 |
Correct |
100 ms |
6636 KB |
Output is correct |
19 |
Correct |
107 ms |
6640 KB |
Output is correct |
20 |
Correct |
110 ms |
6640 KB |
Output is correct |
21 |
Correct |
136 ms |
6612 KB |
Output is correct |
22 |
Correct |
110 ms |
6640 KB |
Output is correct |
23 |
Correct |
133 ms |
6512 KB |
Output is correct |
24 |
Correct |
107 ms |
6636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
416 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 |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
3 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 |
2 ms |
436 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
360 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 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 |
384 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 |
2 ms |
384 KB |
Output is correct |
32 |
Correct |
2 ms |
384 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
384 KB |
Output is correct |
35 |
Correct |
2 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
1 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
384 KB |
Output is correct |
40 |
Correct |
2 ms |
384 KB |
Output is correct |
41 |
Correct |
2 ms |
384 KB |
Output is correct |
42 |
Correct |
2 ms |
384 KB |
Output is correct |
43 |
Correct |
2 ms |
384 KB |
Output is correct |
44 |
Correct |
2 ms |
384 KB |
Output is correct |
45 |
Correct |
2 ms |
384 KB |
Output is correct |
46 |
Correct |
2 ms |
384 KB |
Output is correct |
47 |
Correct |
1 ms |
384 KB |
Output is correct |
48 |
Correct |
2 ms |
384 KB |
Output is correct |
49 |
Correct |
2 ms |
384 KB |
Output is correct |
50 |
Correct |
2 ms |
384 KB |
Output is correct |
51 |
Correct |
2 ms |
384 KB |
Output is correct |
52 |
Correct |
2 ms |
384 KB |
Output is correct |
53 |
Correct |
2 ms |
384 KB |
Output is correct |
54 |
Correct |
2 ms |
384 KB |
Output is correct |
55 |
Correct |
2 ms |
384 KB |
Output is correct |
56 |
Correct |
2 ms |
384 KB |
Output is correct |
57 |
Correct |
1 ms |
384 KB |
Output is correct |
58 |
Correct |
1 ms |
384 KB |
Output is correct |
59 |
Correct |
111 ms |
6552 KB |
Output is correct |
60 |
Correct |
110 ms |
6640 KB |
Output is correct |
61 |
Correct |
106 ms |
6640 KB |
Output is correct |
62 |
Correct |
112 ms |
6636 KB |
Output is correct |
63 |
Correct |
117 ms |
6512 KB |
Output is correct |
64 |
Correct |
129 ms |
6524 KB |
Output is correct |
65 |
Correct |
135 ms |
6640 KB |
Output is correct |
66 |
Correct |
146 ms |
6508 KB |
Output is correct |
67 |
Correct |
112 ms |
6640 KB |
Output is correct |
68 |
Correct |
161 ms |
6640 KB |
Output is correct |
69 |
Correct |
127 ms |
6636 KB |
Output is correct |
70 |
Correct |
218 ms |
6576 KB |
Output is correct |
71 |
Correct |
121 ms |
6644 KB |
Output is correct |
72 |
Correct |
148 ms |
6612 KB |
Output is correct |
73 |
Correct |
114 ms |
6640 KB |
Output is correct |
74 |
Correct |
128 ms |
6636 KB |
Output is correct |
75 |
Correct |
137 ms |
6516 KB |
Output is correct |
76 |
Correct |
146 ms |
6640 KB |
Output is correct |
77 |
Correct |
158 ms |
6640 KB |
Output is correct |
78 |
Correct |
105 ms |
6508 KB |
Output is correct |
79 |
Correct |
144 ms |
6640 KB |
Output is correct |
80 |
Correct |
119 ms |
6636 KB |
Output is correct |
81 |
Correct |
122 ms |
6512 KB |
Output is correct |
82 |
Correct |
112 ms |
6640 KB |
Output is correct |
83 |
Correct |
127 ms |
6636 KB |
Output is correct |
84 |
Correct |
105 ms |
6640 KB |
Output is correct |
85 |
Correct |
130 ms |
6640 KB |
Output is correct |
86 |
Correct |
158 ms |
6636 KB |
Output is correct |
87 |
Correct |
172 ms |
6608 KB |
Output is correct |
88 |
Correct |
119 ms |
6636 KB |
Output is correct |
89 |
Correct |
111 ms |
6636 KB |
Output is correct |
90 |
Correct |
123 ms |
6640 KB |
Output is correct |
91 |
Correct |
128 ms |
6512 KB |
Output is correct |
92 |
Correct |
203 ms |
6640 KB |
Output is correct |
93 |
Correct |
104 ms |
6636 KB |
Output is correct |
94 |
Correct |
107 ms |
6640 KB |
Output is correct |
95 |
Correct |
140 ms |
6612 KB |
Output is correct |
96 |
Correct |
145 ms |
6556 KB |
Output is correct |
97 |
Correct |
129 ms |
6636 KB |
Output is correct |
98 |
Correct |
118 ms |
6640 KB |
Output is correct |
99 |
Correct |
159 ms |
6636 KB |
Output is correct |
100 |
Correct |
106 ms |
6584 KB |
Output is correct |
101 |
Correct |
188 ms |
6648 KB |
Output is correct |
102 |
Correct |
131 ms |
6640 KB |
Output is correct |
103 |
Correct |
175 ms |
6544 KB |
Output is correct |
104 |
Correct |
114 ms |
6512 KB |
Output is correct |
105 |
Correct |
147 ms |
6640 KB |
Output is correct |
106 |
Correct |
121 ms |
6636 KB |
Output is correct |
107 |
Correct |
116 ms |
6576 KB |
Output is correct |
108 |
Correct |
114 ms |
6544 KB |
Output is correct |
109 |
Correct |
154 ms |
6572 KB |
Output is correct |
110 |
Correct |
118 ms |
6516 KB |
Output is correct |
111 |
Correct |
125 ms |
6640 KB |
Output is correct |
112 |
Correct |
121 ms |
6516 KB |
Output is correct |
113 |
Correct |
128 ms |
6764 KB |
Output is correct |
114 |
Correct |
112 ms |
6524 KB |
Output is correct |
115 |
Correct |
116 ms |
6620 KB |
Output is correct |
116 |
Correct |
112 ms |
6572 KB |
Output is correct |
117 |
Execution timed out |
3081 ms |
6592 KB |
Time limit exceeded |
118 |
Halted |
0 ms |
0 KB |
- |