#include <stdio.h>
#include <stdlib.h>
#define N 200000
#define INF 0x3f3f3f3f
int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }
int xx1[N], xx2[N], yy1[N], yy2[N], xx[N], yy[N], n;
int pierced(int i, int k) {
int h;
for (h = 0; h < k; h++)
if (xx1[i] <= xx[h] && xx[h] <= xx2[i] && yy1[i] <= yy[h] && yy[h] <= yy2[i])
return 1;
return 0;
}
void solve(int k_, int k) {
int h, i, x1, x2, y1, y2;
x1 = INF, x2 = -1, y1 = INF, y2 = -1;
for (i = 0; i < n; i++)
if (!pierced(i, k_)) {
x1 = min(x1, xx2[i]), x2 = max(x2, xx1[i]);
y1 = min(y1, yy2[i]), y2 = max(y2, yy1[i]);
}
if (x1 == INF) {
for (h = k_; h < k; h++)
xx[h] = 1, yy[h] = 1;
for (h = 0; h < k; h++)
printf("%d %d\n", xx[h], yy[h]);
exit(0);
} else if (k_ < k) {
if (k - k_ == 1)
xx[k_] = x1, yy[k_] = y1, solve(k_ + 1, k);
else if (k - k_ < 4) {
xx[k_] = x1, yy[k_] = y1, solve(k_ + 1, k);
xx[k_] = x1, yy[k_] = y2, solve(k_ + 1, k);
xx[k_] = x2, yy[k_] = y1, solve(k_ + 1, k);
xx[k_] = x2, yy[k_] = y2, solve(k_ + 1, k);
} else {
for (i = 0; i < n; i++)
xx[k_] = xx1[i], yy[k_] = y1, solve(k_ + 1, k);
}
}
}
int main() {
int k, i;
scanf("%d%d", &n, &k);
for (i = 0; i < n; i++)
scanf("%d%d%d%d", &xx1[i], &yy1[i], &xx2[i], &yy2[i]);
solve(0, k);
return 0;
}
Compilation message
hamburg.c: In function 'main':
hamburg.c:54:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
54 | scanf("%d%d", &n, &k);
| ^~~~~~~~~~~~~~~~~~~~~
hamburg.c:56:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
56 | scanf("%d%d%d%d", &xx1[i], &yy1[i], &xx2[i], &yy2[i]);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
340 KB |
Output is correct |
2 |
Correct |
303 ms |
320 KB |
Output is correct |
3 |
Correct |
110 ms |
340 KB |
Output is correct |
4 |
Correct |
38 ms |
212 KB |
Output is correct |
5 |
Correct |
86 ms |
340 KB |
Output is correct |
6 |
Correct |
18 ms |
340 KB |
Output is correct |
7 |
Correct |
87 ms |
340 KB |
Output is correct |
8 |
Correct |
61 ms |
340 KB |
Output is correct |
9 |
Correct |
168 ms |
340 KB |
Output is correct |
10 |
Correct |
28 ms |
340 KB |
Output is correct |
11 |
Correct |
888 ms |
340 KB |
Output is correct |
12 |
Correct |
7 ms |
340 KB |
Output is correct |
13 |
Correct |
761 ms |
320 KB |
Output is correct |
14 |
Correct |
273 ms |
340 KB |
Output is correct |
15 |
Correct |
174 ms |
212 KB |
Output is correct |
16 |
Correct |
470 ms |
340 KB |
Output is correct |
17 |
Correct |
92 ms |
212 KB |
Output is correct |
18 |
Correct |
1830 ms |
320 KB |
Output is correct |
19 |
Correct |
123 ms |
396 KB |
Output is correct |
20 |
Correct |
507 ms |
396 KB |
Output is correct |
21 |
Correct |
91 ms |
400 KB |
Output is correct |
22 |
Correct |
1465 ms |
400 KB |
Output is correct |
23 |
Correct |
265 ms |
400 KB |
Output is correct |
24 |
Correct |
360 ms |
396 KB |
Output is correct |
25 |
Correct |
504 ms |
400 KB |
Output is correct |
26 |
Correct |
154 ms |
408 KB |
Output is correct |
27 |
Correct |
169 ms |
400 KB |
Output is correct |
28 |
Correct |
1191 ms |
412 KB |
Output is correct |
29 |
Correct |
1347 ms |
340 KB |
Output is correct |
30 |
Correct |
934 ms |
396 KB |
Output is correct |
31 |
Correct |
990 ms |
396 KB |
Output is correct |
32 |
Correct |
331 ms |
392 KB |
Output is correct |
33 |
Correct |
1541 ms |
396 KB |
Output is correct |
34 |
Correct |
271 ms |
340 KB |
Output is correct |
35 |
Correct |
61 ms |
400 KB |
Output is correct |
36 |
Correct |
237 ms |
340 KB |
Output is correct |
37 |
Correct |
42 ms |
404 KB |
Output is correct |
38 |
Correct |
1055 ms |
308 KB |
Output is correct |
39 |
Correct |
227 ms |
300 KB |
Output is correct |
40 |
Correct |
393 ms |
400 KB |
Output is correct |
41 |
Correct |
505 ms |
340 KB |
Output is correct |
42 |
Correct |
88 ms |
392 KB |
Output is correct |
43 |
Correct |
874 ms |
400 KB |
Output is correct |
44 |
Correct |
243 ms |
400 KB |
Output is correct |
45 |
Correct |
351 ms |
400 KB |
Output is correct |
46 |
Correct |
520 ms |
340 KB |
Output is correct |
47 |
Correct |
5 ms |
340 KB |
Output is correct |
48 |
Correct |
46 ms |
396 KB |
Output is correct |
49 |
Correct |
1828 ms |
404 KB |
Output is correct |
50 |
Correct |
63 ms |
340 KB |
Output is correct |
51 |
Correct |
466 ms |
400 KB |
Output is correct |
52 |
Correct |
93 ms |
304 KB |
Output is correct |
53 |
Correct |
508 ms |
412 KB |
Output is correct |
54 |
Correct |
97 ms |
340 KB |
Output is correct |
55 |
Correct |
1 ms |
340 KB |
Output is correct |
56 |
Correct |
1 ms |
388 KB |
Output is correct |
57 |
Correct |
2 ms |
340 KB |
Output is correct |
58 |
Correct |
13 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
76 ms |
3404 KB |
Output is correct |
6 |
Correct |
73 ms |
3360 KB |
Output is correct |
7 |
Correct |
78 ms |
3336 KB |
Output is correct |
8 |
Correct |
73 ms |
3320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
76 ms |
3388 KB |
Output is correct |
6 |
Correct |
77 ms |
3292 KB |
Output is correct |
7 |
Correct |
80 ms |
3380 KB |
Output is correct |
8 |
Correct |
80 ms |
3372 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
85 ms |
3336 KB |
Output is correct |
14 |
Correct |
78 ms |
3364 KB |
Output is correct |
15 |
Correct |
79 ms |
3288 KB |
Output is correct |
16 |
Correct |
84 ms |
3360 KB |
Output is correct |
17 |
Correct |
80 ms |
3408 KB |
Output is correct |
18 |
Correct |
80 ms |
3284 KB |
Output is correct |
19 |
Correct |
82 ms |
3396 KB |
Output is correct |
20 |
Correct |
85 ms |
3336 KB |
Output is correct |
21 |
Correct |
148 ms |
3404 KB |
Output is correct |
22 |
Correct |
114 ms |
3372 KB |
Output is correct |
23 |
Correct |
106 ms |
3404 KB |
Output is correct |
24 |
Correct |
107 ms |
3368 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
340 KB |
Output is correct |
2 |
Correct |
303 ms |
320 KB |
Output is correct |
3 |
Correct |
110 ms |
340 KB |
Output is correct |
4 |
Correct |
38 ms |
212 KB |
Output is correct |
5 |
Correct |
86 ms |
340 KB |
Output is correct |
6 |
Correct |
18 ms |
340 KB |
Output is correct |
7 |
Correct |
87 ms |
340 KB |
Output is correct |
8 |
Correct |
61 ms |
340 KB |
Output is correct |
9 |
Correct |
168 ms |
340 KB |
Output is correct |
10 |
Correct |
28 ms |
340 KB |
Output is correct |
11 |
Correct |
888 ms |
340 KB |
Output is correct |
12 |
Correct |
7 ms |
340 KB |
Output is correct |
13 |
Correct |
761 ms |
320 KB |
Output is correct |
14 |
Correct |
273 ms |
340 KB |
Output is correct |
15 |
Correct |
174 ms |
212 KB |
Output is correct |
16 |
Correct |
470 ms |
340 KB |
Output is correct |
17 |
Correct |
92 ms |
212 KB |
Output is correct |
18 |
Correct |
1830 ms |
320 KB |
Output is correct |
19 |
Correct |
123 ms |
396 KB |
Output is correct |
20 |
Correct |
507 ms |
396 KB |
Output is correct |
21 |
Correct |
91 ms |
400 KB |
Output is correct |
22 |
Correct |
1465 ms |
400 KB |
Output is correct |
23 |
Correct |
265 ms |
400 KB |
Output is correct |
24 |
Correct |
360 ms |
396 KB |
Output is correct |
25 |
Correct |
504 ms |
400 KB |
Output is correct |
26 |
Correct |
154 ms |
408 KB |
Output is correct |
27 |
Correct |
169 ms |
400 KB |
Output is correct |
28 |
Correct |
1191 ms |
412 KB |
Output is correct |
29 |
Correct |
1347 ms |
340 KB |
Output is correct |
30 |
Correct |
934 ms |
396 KB |
Output is correct |
31 |
Correct |
990 ms |
396 KB |
Output is correct |
32 |
Correct |
331 ms |
392 KB |
Output is correct |
33 |
Correct |
1541 ms |
396 KB |
Output is correct |
34 |
Correct |
271 ms |
340 KB |
Output is correct |
35 |
Correct |
61 ms |
400 KB |
Output is correct |
36 |
Correct |
237 ms |
340 KB |
Output is correct |
37 |
Correct |
42 ms |
404 KB |
Output is correct |
38 |
Correct |
1055 ms |
308 KB |
Output is correct |
39 |
Correct |
227 ms |
300 KB |
Output is correct |
40 |
Correct |
393 ms |
400 KB |
Output is correct |
41 |
Correct |
505 ms |
340 KB |
Output is correct |
42 |
Correct |
88 ms |
392 KB |
Output is correct |
43 |
Correct |
874 ms |
400 KB |
Output is correct |
44 |
Correct |
243 ms |
400 KB |
Output is correct |
45 |
Correct |
351 ms |
400 KB |
Output is correct |
46 |
Correct |
520 ms |
340 KB |
Output is correct |
47 |
Correct |
5 ms |
340 KB |
Output is correct |
48 |
Correct |
46 ms |
396 KB |
Output is correct |
49 |
Correct |
1828 ms |
404 KB |
Output is correct |
50 |
Correct |
63 ms |
340 KB |
Output is correct |
51 |
Correct |
466 ms |
400 KB |
Output is correct |
52 |
Correct |
93 ms |
304 KB |
Output is correct |
53 |
Correct |
508 ms |
412 KB |
Output is correct |
54 |
Correct |
97 ms |
340 KB |
Output is correct |
55 |
Correct |
1 ms |
340 KB |
Output is correct |
56 |
Correct |
1 ms |
388 KB |
Output is correct |
57 |
Correct |
2 ms |
340 KB |
Output is correct |
58 |
Correct |
13 ms |
340 KB |
Output is correct |
59 |
Execution timed out |
3051 ms |
11088 KB |
Time limit exceeded |
60 |
Halted |
0 ms |
0 KB |
- |