#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
int L[200000],D[200000],R[200000],U[200000];
vi xLines,yLines;
int order[200000];
struct rect { int l,d,r,u; };
vector<rect> ans;
int main() {
int i;
int N,K;
scanf("%d %d",&N,&K);
for (i = 0; i < N; i++) {
scanf("%d %d %d %d",&L[i],&D[i],&R[i],&U[i]);
xLines.pb(L[i]),xLines.pb(R[i]+1);
yLines.pb(D[i]),yLines.pb(U[i]+1);
}
sort(xLines.begin(),xLines.end());
xLines.resize(unique(xLines.begin(),xLines.end())-xLines.begin());
sort(yLines.begin(),yLines.end());
yLines.resize(unique(yLines.begin(),yLines.end())-yLines.begin());
for (i = 0; i < N; i++) {
L[i] = lower_bound(xLines.begin(),xLines.end(),L[i])-xLines.begin();
D[i] = lower_bound(yLines.begin(),yLines.end(),D[i])-yLines.begin();
R[i] = lower_bound(xLines.begin(),xLines.end(),R[i]+1)-xLines.begin()-1;
U[i] = lower_bound(yLines.begin(),yLines.end(),U[i]+1)-yLines.begin()-1;
}
int j;
for (i = 0; i < N; i++) order[i] = i;
while (1) {
random_shuffle(order,order+N);
for (i = 0; i < N; i++) {
int u = order[i],b = -1,bb = 0;
for (j = 0; j < ans.size(); j++) {
if ((L[u] > ans[j].r) || (R[u] < ans[j].l) || (D[u] > ans[j].u) || (U[u] < ans[j].d)) continue;
else {
rect x = ans[j];
x.l = max(x.l,L[u]);
x.d = max(x.d,D[u]);
x.r = min(x.r,R[u]);
x.u = min(x.u,U[u]);
if ((b == -1) || (ans[j].u-ans[j].d+ans[j].r-ans[j].l-(x.u-x.d+x.r-x.l) < bb)) {
b = j;
bb = ans[j].u-ans[j].d+ans[j].r-ans[j].l-(x.u-x.d+x.r-x.l);
}
}
}
if (b == -1) ans.pb((rect){L[u],D[u],R[u],U[u]});
else {
rect x = ans[b];
x.l = max(x.l,L[u]);
x.d = max(x.d,D[u]);
x.r = min(x.r,R[u]);
x.u = min(x.u,U[u]);
ans[b] = x;
}
if (ans.size() > K) break;
}
if (i == N) {
for (j = 0; j < K; j++) {
if (j < ans.size()) printf("%d %d\n",xLines[ans[j].l],yLines[ans[j].d]);
else printf("0 0\n");
}
return 0;
}
else ans.clear();
}
return 0;
}
Compilation message
hamburg.cpp: In function 'int main()':
hamburg.cpp:89:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<rect>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
89 | for (j = 0; j < ans.size(); j++) {
| ~~^~~~~~~~~~~~
hamburg.cpp:112:28: warning: comparison of integer expressions of different signedness: 'std::vector<rect>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
112 | if (ans.size() > K) break;
| ~~~~~~~~~~~^~~
hamburg.cpp:116:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<rect>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
116 | if (j < ans.size()) printf("%d %d\n",xLines[ans[j].l],yLines[ans[j].d]);
| ~~^~~~~~~~~~~~
hamburg.cpp:66:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
66 | scanf("%d %d",&N,&K);
| ~~~~~^~~~~~~~~~~~~~~
hamburg.cpp:68:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
68 | scanf("%d %d %d %d",&L[i],&D[i],&R[i],&U[i]);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
6 ms |
384 KB |
Output is correct |
9 |
Correct |
8 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
9 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
6 ms |
384 KB |
Output is correct |
15 |
Correct |
11 ms |
384 KB |
Output is correct |
16 |
Correct |
14 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
18 |
Correct |
6 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
9 ms |
384 KB |
Output is correct |
23 |
Correct |
4 ms |
384 KB |
Output is correct |
24 |
Correct |
6 ms |
384 KB |
Output is correct |
25 |
Correct |
3 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
3 ms |
384 KB |
Output is correct |
28 |
Correct |
6 ms |
384 KB |
Output is correct |
29 |
Correct |
10 ms |
384 KB |
Output is correct |
30 |
Correct |
7 ms |
384 KB |
Output is correct |
31 |
Correct |
9 ms |
384 KB |
Output is correct |
32 |
Correct |
3 ms |
384 KB |
Output is correct |
33 |
Correct |
9 ms |
384 KB |
Output is correct |
34 |
Correct |
3 ms |
384 KB |
Output is correct |
35 |
Correct |
4 ms |
384 KB |
Output is correct |
36 |
Correct |
6 ms |
384 KB |
Output is correct |
37 |
Correct |
4 ms |
384 KB |
Output is correct |
38 |
Correct |
5 ms |
384 KB |
Output is correct |
39 |
Correct |
8 ms |
384 KB |
Output is correct |
40 |
Correct |
9 ms |
384 KB |
Output is correct |
41 |
Correct |
5 ms |
384 KB |
Output is correct |
42 |
Correct |
4 ms |
384 KB |
Output is correct |
43 |
Correct |
3 ms |
384 KB |
Output is correct |
44 |
Correct |
5 ms |
384 KB |
Output is correct |
45 |
Correct |
4 ms |
384 KB |
Output is correct |
46 |
Correct |
5 ms |
384 KB |
Output is correct |
47 |
Correct |
6 ms |
384 KB |
Output is correct |
48 |
Correct |
3 ms |
384 KB |
Output is correct |
49 |
Correct |
26 ms |
384 KB |
Output is correct |
50 |
Correct |
12 ms |
384 KB |
Output is correct |
51 |
Correct |
12 ms |
484 KB |
Output is correct |
52 |
Correct |
6 ms |
384 KB |
Output is correct |
53 |
Correct |
16 ms |
384 KB |
Output is correct |
54 |
Correct |
5 ms |
384 KB |
Output is correct |
55 |
Correct |
5 ms |
384 KB |
Output is correct |
56 |
Correct |
3 ms |
384 KB |
Output is correct |
57 |
Correct |
4 ms |
384 KB |
Output is correct |
58 |
Correct |
3 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
386 ms |
7628 KB |
Output is correct |
6 |
Correct |
371 ms |
7692 KB |
Output is correct |
7 |
Correct |
384 ms |
7512 KB |
Output is correct |
8 |
Correct |
403 ms |
7624 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
407 ms |
7620 KB |
Output is correct |
6 |
Correct |
407 ms |
7572 KB |
Output is correct |
7 |
Correct |
399 ms |
7508 KB |
Output is correct |
8 |
Correct |
404 ms |
7624 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
384 KB |
Output is correct |
8 |
Correct |
3 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
384 KB |
Output is correct |
13 |
Correct |
382 ms |
7640 KB |
Output is correct |
14 |
Correct |
403 ms |
7648 KB |
Output is correct |
15 |
Correct |
385 ms |
7720 KB |
Output is correct |
16 |
Correct |
443 ms |
7632 KB |
Output is correct |
17 |
Correct |
412 ms |
7732 KB |
Output is correct |
18 |
Correct |
435 ms |
7636 KB |
Output is correct |
19 |
Correct |
550 ms |
7560 KB |
Output is correct |
20 |
Correct |
431 ms |
7624 KB |
Output is correct |
21 |
Correct |
419 ms |
7508 KB |
Output is correct |
22 |
Correct |
453 ms |
7512 KB |
Output is correct |
23 |
Correct |
448 ms |
7504 KB |
Output is correct |
24 |
Correct |
413 ms |
7508 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
6 ms |
384 KB |
Output is correct |
9 |
Correct |
8 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
9 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
6 ms |
384 KB |
Output is correct |
15 |
Correct |
11 ms |
384 KB |
Output is correct |
16 |
Correct |
14 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
18 |
Correct |
6 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
3 ms |
384 KB |
Output is correct |
22 |
Correct |
9 ms |
384 KB |
Output is correct |
23 |
Correct |
4 ms |
384 KB |
Output is correct |
24 |
Correct |
6 ms |
384 KB |
Output is correct |
25 |
Correct |
3 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
3 ms |
384 KB |
Output is correct |
28 |
Correct |
6 ms |
384 KB |
Output is correct |
29 |
Correct |
10 ms |
384 KB |
Output is correct |
30 |
Correct |
7 ms |
384 KB |
Output is correct |
31 |
Correct |
9 ms |
384 KB |
Output is correct |
32 |
Correct |
3 ms |
384 KB |
Output is correct |
33 |
Correct |
9 ms |
384 KB |
Output is correct |
34 |
Correct |
3 ms |
384 KB |
Output is correct |
35 |
Correct |
4 ms |
384 KB |
Output is correct |
36 |
Correct |
6 ms |
384 KB |
Output is correct |
37 |
Correct |
4 ms |
384 KB |
Output is correct |
38 |
Correct |
5 ms |
384 KB |
Output is correct |
39 |
Correct |
8 ms |
384 KB |
Output is correct |
40 |
Correct |
9 ms |
384 KB |
Output is correct |
41 |
Correct |
5 ms |
384 KB |
Output is correct |
42 |
Correct |
4 ms |
384 KB |
Output is correct |
43 |
Correct |
3 ms |
384 KB |
Output is correct |
44 |
Correct |
5 ms |
384 KB |
Output is correct |
45 |
Correct |
4 ms |
384 KB |
Output is correct |
46 |
Correct |
5 ms |
384 KB |
Output is correct |
47 |
Correct |
6 ms |
384 KB |
Output is correct |
48 |
Correct |
3 ms |
384 KB |
Output is correct |
49 |
Correct |
26 ms |
384 KB |
Output is correct |
50 |
Correct |
12 ms |
384 KB |
Output is correct |
51 |
Correct |
12 ms |
484 KB |
Output is correct |
52 |
Correct |
6 ms |
384 KB |
Output is correct |
53 |
Correct |
16 ms |
384 KB |
Output is correct |
54 |
Correct |
5 ms |
384 KB |
Output is correct |
55 |
Correct |
5 ms |
384 KB |
Output is correct |
56 |
Correct |
3 ms |
384 KB |
Output is correct |
57 |
Correct |
4 ms |
384 KB |
Output is correct |
58 |
Correct |
3 ms |
384 KB |
Output is correct |
59 |
Correct |
744 ms |
7624 KB |
Output is correct |
60 |
Correct |
528 ms |
7592 KB |
Output is correct |
61 |
Correct |
390 ms |
7636 KB |
Output is correct |
62 |
Correct |
477 ms |
7640 KB |
Output is correct |
63 |
Correct |
459 ms |
7632 KB |
Output is correct |
64 |
Correct |
399 ms |
7632 KB |
Output is correct |
65 |
Correct |
430 ms |
7628 KB |
Output is correct |
66 |
Correct |
569 ms |
7508 KB |
Output is correct |
67 |
Correct |
422 ms |
7632 KB |
Output is correct |
68 |
Correct |
414 ms |
7716 KB |
Output is correct |
69 |
Correct |
476 ms |
7636 KB |
Output is correct |
70 |
Correct |
460 ms |
7632 KB |
Output is correct |
71 |
Correct |
498 ms |
7528 KB |
Output is correct |
72 |
Correct |
440 ms |
7768 KB |
Output is correct |
73 |
Correct |
417 ms |
7508 KB |
Output is correct |
74 |
Correct |
434 ms |
7620 KB |
Output is correct |
75 |
Correct |
432 ms |
7620 KB |
Output is correct |
76 |
Correct |
709 ms |
7728 KB |
Output is correct |
77 |
Correct |
420 ms |
7616 KB |
Output is correct |
78 |
Correct |
586 ms |
7640 KB |
Output is correct |
79 |
Correct |
478 ms |
7632 KB |
Output is correct |
80 |
Correct |
612 ms |
7604 KB |
Output is correct |
81 |
Correct |
572 ms |
7632 KB |
Output is correct |
82 |
Correct |
380 ms |
7636 KB |
Output is correct |
83 |
Correct |
527 ms |
7640 KB |
Output is correct |
84 |
Correct |
1020 ms |
7636 KB |
Output is correct |
85 |
Correct |
473 ms |
7504 KB |
Output is correct |
86 |
Correct |
851 ms |
7624 KB |
Output is correct |
87 |
Correct |
408 ms |
7512 KB |
Output is correct |
88 |
Correct |
462 ms |
7616 KB |
Output is correct |
89 |
Correct |
1553 ms |
7744 KB |
Output is correct |
90 |
Correct |
537 ms |
7680 KB |
Output is correct |
91 |
Correct |
938 ms |
7636 KB |
Output is correct |
92 |
Correct |
606 ms |
7640 KB |
Output is correct |
93 |
Correct |
618 ms |
7632 KB |
Output is correct |
94 |
Correct |
423 ms |
7520 KB |
Output is correct |
95 |
Correct |
393 ms |
7616 KB |
Output is correct |
96 |
Correct |
765 ms |
7744 KB |
Output is correct |
97 |
Correct |
581 ms |
7640 KB |
Output is correct |
98 |
Correct |
761 ms |
7628 KB |
Output is correct |
99 |
Correct |
2142 ms |
7512 KB |
Output is correct |
100 |
Correct |
416 ms |
7524 KB |
Output is correct |
101 |
Correct |
501 ms |
7628 KB |
Output is correct |
102 |
Correct |
1620 ms |
7616 KB |
Output is correct |
103 |
Correct |
610 ms |
7748 KB |
Output is correct |
104 |
Correct |
1797 ms |
7632 KB |
Output is correct |
105 |
Correct |
601 ms |
7640 KB |
Output is correct |
106 |
Correct |
924 ms |
7644 KB |
Output is correct |
107 |
Correct |
536 ms |
7656 KB |
Output is correct |
108 |
Correct |
841 ms |
7508 KB |
Output is correct |
109 |
Correct |
708 ms |
7756 KB |
Output is correct |
110 |
Correct |
789 ms |
7620 KB |
Output is correct |
111 |
Correct |
491 ms |
7552 KB |
Output is correct |
112 |
Correct |
525 ms |
7508 KB |
Output is correct |
113 |
Correct |
401 ms |
7512 KB |
Output is correct |
114 |
Correct |
415 ms |
7624 KB |
Output is correct |
115 |
Correct |
424 ms |
7632 KB |
Output is correct |
116 |
Correct |
398 ms |
7568 KB |
Output is correct |
117 |
Execution timed out |
3075 ms |
7576 KB |
Time limit exceeded |
118 |
Halted |
0 ms |
0 KB |
- |