| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 284201 |
2020-08-27T02:38:40 Z |
cjoa |
Cave (IOI13_cave) |
C++11 |
|
338 ms |
632 KB |
#include "cave.h"
#include <cstdio>
void exploreCave(int N) {
int S[5004];
int D[5004];
int C[5004];
for (int i = 0; i < N; ++i)
S[i] = -1;
for (int i = 0; i < N; ++i)
D[i] = -1;
for (int n = 0; n < N; ++n) {
for (int i = 0; i < N; ++i)
C[i] = S[i] >= 0 ? S[i] : 0;
// fprintf(stderr, "n:%d ", n);
// for (int i = 0; i < N; ++i)
// fprintf(stderr, "%d", C[i]);
// fprintf(stderr, "\n");
int first_closed_door = tryCombination(C);
int is_cur_door_closed = first_closed_door == n;
// fprintf(stderr, "first_closed_door:%d is_cur_door_closed:%d\n",
// first_closed_door, is_cur_door_closed);
int lo = 0, hi = N-1;
while (lo < hi) {
int mid = lo + (hi - lo) / 2;
for (int i = lo; i <= mid; ++i)
C[i] = S[i] >= 0 ? S[i] : 1;
int door = tryCombination(C);
// fprintf(stderr, "lo:%d hi:%d mid:%d ", lo, hi, mid);
// for (int i = 0; i < N; ++i)
// fprintf(stderr, "%d", C[i]);
// fprintf(stderr, " door:%d\n", door);
if (is_cur_door_closed) {
if (door == n) {
// still closed
lo = mid+1;
}
else {
// door opened
hi = mid;
}
}
else {
if (door != n) {
// still opened
lo = mid+1;
}
else {
// door closed
hi = mid;
}
}
for (int i = lo; i <= mid; ++i)
C[i] = S[i] >= 0 ? S[i] : 0;
}
// fprintf(stderr, "lo:%d\n", lo);
// lo is the switch for door n
D[lo] = n;
S[lo] = is_cur_door_closed ? 1 : 0;
}
answer(S, D);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
155 ms |
384 KB |
Output is correct |
| 2 |
Correct |
155 ms |
384 KB |
Output is correct |
| 3 |
Correct |
238 ms |
504 KB |
Output is correct |
| 4 |
Correct |
165 ms |
384 KB |
Output is correct |
| 5 |
Correct |
316 ms |
504 KB |
Output is correct |
| 6 |
Correct |
233 ms |
384 KB |
Output is correct |
| 7 |
Correct |
318 ms |
504 KB |
Output is correct |
| 8 |
Correct |
0 ms |
384 KB |
Output is correct |
| 9 |
Correct |
0 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
256 KB |
Output is correct |
| 11 |
Correct |
0 ms |
256 KB |
Output is correct |
| 12 |
Correct |
235 ms |
384 KB |
Output is correct |
| 13 |
Correct |
233 ms |
512 KB |
Output is correct |
| 14 |
Correct |
235 ms |
632 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
335 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
266 ms |
384 KB |
Output is correct |
| 4 |
Correct |
0 ms |
256 KB |
Output is correct |
| 5 |
Correct |
0 ms |
384 KB |
Output is correct |
| 6 |
Correct |
320 ms |
384 KB |
Output is correct |
| 7 |
Correct |
252 ms |
384 KB |
Output is correct |
| 8 |
Correct |
290 ms |
504 KB |
Output is correct |
| 9 |
Correct |
308 ms |
504 KB |
Output is correct |
| 10 |
Correct |
284 ms |
504 KB |
Output is correct |
| 11 |
Correct |
254 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
256 KB |
Output is correct |
| 3 |
Correct |
0 ms |
256 KB |
Output is correct |
| 4 |
Correct |
1 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
256 KB |
Output is correct |
| 6 |
Correct |
1 ms |
256 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
0 ms |
256 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
256 KB |
Output is correct |
| 12 |
Correct |
0 ms |
384 KB |
Output is correct |
| 13 |
Correct |
0 ms |
256 KB |
Output is correct |
| 14 |
Correct |
0 ms |
256 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
256 KB |
Output is correct |
| 3 |
Correct |
0 ms |
256 KB |
Output is correct |
| 4 |
Correct |
1 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
256 KB |
Output is correct |
| 6 |
Correct |
1 ms |
256 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
0 ms |
256 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
256 KB |
Output is correct |
| 12 |
Correct |
0 ms |
384 KB |
Output is correct |
| 13 |
Correct |
0 ms |
256 KB |
Output is correct |
| 14 |
Correct |
0 ms |
256 KB |
Output is correct |
| 15 |
Correct |
0 ms |
256 KB |
Output is correct |
| 16 |
Correct |
0 ms |
256 KB |
Output is correct |
| 17 |
Correct |
0 ms |
384 KB |
Output is correct |
| 18 |
Correct |
0 ms |
256 KB |
Output is correct |
| 19 |
Correct |
0 ms |
384 KB |
Output is correct |
| 20 |
Correct |
35 ms |
384 KB |
Output is correct |
| 21 |
Correct |
0 ms |
384 KB |
Output is correct |
| 22 |
Correct |
1 ms |
256 KB |
Output is correct |
| 23 |
Correct |
36 ms |
384 KB |
Output is correct |
| 24 |
Correct |
36 ms |
384 KB |
Output is correct |
| 25 |
Correct |
36 ms |
384 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
0 ms |
384 KB |
Output is correct |
| 28 |
Correct |
35 ms |
384 KB |
Output is correct |
| 29 |
Correct |
1 ms |
384 KB |
Output is correct |
| 30 |
Correct |
36 ms |
512 KB |
Output is correct |
| 31 |
Correct |
35 ms |
384 KB |
Output is correct |
| 32 |
Correct |
1 ms |
256 KB |
Output is correct |
| 33 |
Correct |
1 ms |
256 KB |
Output is correct |
| 34 |
Correct |
1 ms |
256 KB |
Output is correct |
| 35 |
Correct |
36 ms |
384 KB |
Output is correct |
| 36 |
Correct |
36 ms |
384 KB |
Output is correct |
| 37 |
Correct |
0 ms |
256 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
155 ms |
384 KB |
Output is correct |
| 2 |
Correct |
155 ms |
384 KB |
Output is correct |
| 3 |
Correct |
238 ms |
504 KB |
Output is correct |
| 4 |
Correct |
165 ms |
384 KB |
Output is correct |
| 5 |
Correct |
316 ms |
504 KB |
Output is correct |
| 6 |
Correct |
233 ms |
384 KB |
Output is correct |
| 7 |
Correct |
318 ms |
504 KB |
Output is correct |
| 8 |
Correct |
0 ms |
384 KB |
Output is correct |
| 9 |
Correct |
0 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
256 KB |
Output is correct |
| 11 |
Correct |
0 ms |
256 KB |
Output is correct |
| 12 |
Correct |
235 ms |
384 KB |
Output is correct |
| 13 |
Correct |
233 ms |
512 KB |
Output is correct |
| 14 |
Correct |
235 ms |
632 KB |
Output is correct |
| 15 |
Correct |
335 ms |
384 KB |
Output is correct |
| 16 |
Correct |
0 ms |
384 KB |
Output is correct |
| 17 |
Correct |
266 ms |
384 KB |
Output is correct |
| 18 |
Correct |
0 ms |
256 KB |
Output is correct |
| 19 |
Correct |
0 ms |
384 KB |
Output is correct |
| 20 |
Correct |
320 ms |
384 KB |
Output is correct |
| 21 |
Correct |
252 ms |
384 KB |
Output is correct |
| 22 |
Correct |
290 ms |
504 KB |
Output is correct |
| 23 |
Correct |
308 ms |
504 KB |
Output is correct |
| 24 |
Correct |
284 ms |
504 KB |
Output is correct |
| 25 |
Correct |
254 ms |
384 KB |
Output is correct |
| 26 |
Correct |
0 ms |
384 KB |
Output is correct |
| 27 |
Correct |
0 ms |
256 KB |
Output is correct |
| 28 |
Correct |
0 ms |
256 KB |
Output is correct |
| 29 |
Correct |
1 ms |
384 KB |
Output is correct |
| 30 |
Correct |
1 ms |
256 KB |
Output is correct |
| 31 |
Correct |
1 ms |
256 KB |
Output is correct |
| 32 |
Correct |
1 ms |
384 KB |
Output is correct |
| 33 |
Correct |
0 ms |
256 KB |
Output is correct |
| 34 |
Correct |
1 ms |
384 KB |
Output is correct |
| 35 |
Correct |
1 ms |
384 KB |
Output is correct |
| 36 |
Correct |
1 ms |
256 KB |
Output is correct |
| 37 |
Correct |
0 ms |
384 KB |
Output is correct |
| 38 |
Correct |
0 ms |
256 KB |
Output is correct |
| 39 |
Correct |
0 ms |
256 KB |
Output is correct |
| 40 |
Correct |
0 ms |
256 KB |
Output is correct |
| 41 |
Correct |
0 ms |
256 KB |
Output is correct |
| 42 |
Correct |
0 ms |
384 KB |
Output is correct |
| 43 |
Correct |
0 ms |
256 KB |
Output is correct |
| 44 |
Correct |
0 ms |
384 KB |
Output is correct |
| 45 |
Correct |
35 ms |
384 KB |
Output is correct |
| 46 |
Correct |
0 ms |
384 KB |
Output is correct |
| 47 |
Correct |
1 ms |
256 KB |
Output is correct |
| 48 |
Correct |
36 ms |
384 KB |
Output is correct |
| 49 |
Correct |
36 ms |
384 KB |
Output is correct |
| 50 |
Correct |
36 ms |
384 KB |
Output is correct |
| 51 |
Correct |
1 ms |
384 KB |
Output is correct |
| 52 |
Correct |
0 ms |
384 KB |
Output is correct |
| 53 |
Correct |
35 ms |
384 KB |
Output is correct |
| 54 |
Correct |
1 ms |
384 KB |
Output is correct |
| 55 |
Correct |
36 ms |
512 KB |
Output is correct |
| 56 |
Correct |
35 ms |
384 KB |
Output is correct |
| 57 |
Correct |
1 ms |
256 KB |
Output is correct |
| 58 |
Correct |
1 ms |
256 KB |
Output is correct |
| 59 |
Correct |
1 ms |
256 KB |
Output is correct |
| 60 |
Correct |
36 ms |
384 KB |
Output is correct |
| 61 |
Correct |
36 ms |
384 KB |
Output is correct |
| 62 |
Correct |
0 ms |
256 KB |
Output is correct |
| 63 |
Correct |
155 ms |
480 KB |
Output is correct |
| 64 |
Correct |
157 ms |
484 KB |
Output is correct |
| 65 |
Correct |
239 ms |
496 KB |
Output is correct |
| 66 |
Correct |
164 ms |
504 KB |
Output is correct |
| 67 |
Correct |
317 ms |
384 KB |
Output is correct |
| 68 |
Correct |
231 ms |
488 KB |
Output is correct |
| 69 |
Correct |
316 ms |
384 KB |
Output is correct |
| 70 |
Correct |
0 ms |
384 KB |
Output is correct |
| 71 |
Correct |
0 ms |
256 KB |
Output is correct |
| 72 |
Correct |
234 ms |
384 KB |
Output is correct |
| 73 |
Correct |
230 ms |
384 KB |
Output is correct |
| 74 |
Correct |
250 ms |
504 KB |
Output is correct |
| 75 |
Correct |
287 ms |
504 KB |
Output is correct |
| 76 |
Correct |
0 ms |
256 KB |
Output is correct |
| 77 |
Correct |
0 ms |
384 KB |
Output is correct |
| 78 |
Correct |
319 ms |
504 KB |
Output is correct |
| 79 |
Correct |
262 ms |
488 KB |
Output is correct |
| 80 |
Correct |
338 ms |
504 KB |
Output is correct |
| 81 |
Correct |
282 ms |
504 KB |
Output is correct |
| 82 |
Correct |
278 ms |
384 KB |
Output is correct |
| 83 |
Correct |
258 ms |
492 KB |
Output is correct |
| 84 |
Correct |
0 ms |
256 KB |
Output is correct |
| 85 |
Correct |
36 ms |
384 KB |
Output is correct |
| 86 |
Correct |
232 ms |
384 KB |
Output is correct |
| 87 |
Correct |
0 ms |
384 KB |
Output is correct |
| 88 |
Correct |
0 ms |
384 KB |
Output is correct |
| 89 |
Correct |
36 ms |
384 KB |
Output is correct |
| 90 |
Correct |
36 ms |
384 KB |
Output is correct |
| 91 |
Correct |
36 ms |
384 KB |
Output is correct |
| 92 |
Correct |
271 ms |
632 KB |
Output is correct |
| 93 |
Correct |
266 ms |
504 KB |
Output is correct |
| 94 |
Correct |
274 ms |
384 KB |
Output is correct |
| 95 |
Correct |
1 ms |
384 KB |
Output is correct |
| 96 |
Correct |
1 ms |
288 KB |
Output is correct |
| 97 |
Correct |
237 ms |
504 KB |
Output is correct |
| 98 |
Correct |
35 ms |
384 KB |
Output is correct |
| 99 |
Correct |
234 ms |
504 KB |
Output is correct |
| 100 |
Correct |
1 ms |
384 KB |
Output is correct |
| 101 |
Correct |
35 ms |
384 KB |
Output is correct |
| 102 |
Correct |
37 ms |
384 KB |
Output is correct |
| 103 |
Correct |
237 ms |
504 KB |
Output is correct |
| 104 |
Correct |
1 ms |
384 KB |
Output is correct |
| 105 |
Correct |
0 ms |
384 KB |
Output is correct |
| 106 |
Correct |
0 ms |
256 KB |
Output is correct |
| 107 |
Correct |
36 ms |
384 KB |
Output is correct |
| 108 |
Correct |
36 ms |
384 KB |
Output is correct |
| 109 |
Correct |
269 ms |
504 KB |
Output is correct |
| 110 |
Correct |
264 ms |
504 KB |
Output is correct |
| 111 |
Correct |
1 ms |
384 KB |
Output is correct |
