| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 272555 |
2020-08-18T12:33:12 Z |
toonewbie |
Cave (IOI13_cave) |
C++17 |
|
408 ms |
632 KB |
#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
const int maxx = 5005;
int comb[maxx], id[maxx];
int used[maxx];
void change(int l, int r) {
for (int i = l; i <= r; i++) {
if (used[i] == 0) {
comb[i] ^= 1;
}
}
}
void exploreCave(int N) {
for (int i = 0; i < N; i++) {
int l = 0, r = N - 1, best;
int flag = tryCombination(comb) == i;
while (r - l >= 0) {
int mid = (l + r) >> 1;
change(l, mid);
if ((tryCombination(comb) == i) == flag) {
change(l, mid);
l = mid + 1;
} else {
change(l, mid);
r = mid - 1, best = mid;
}
}
used[best] = 1;
id[best] = i;
comb[best] = flag;
}
answer(comb, id);
}
Compilation message
cave.cpp: In function 'void exploreCave(int)':
cave.cpp:36:20: warning: 'best' may be used uninitialized in this function [-Wmaybe-uninitialized]
36 | comb[best] = flag;
| ~~~~~~~~~~~^~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
165 ms |
504 KB |
Output is correct |
| 2 |
Correct |
152 ms |
476 KB |
Output is correct |
| 3 |
Correct |
236 ms |
504 KB |
Output is correct |
| 4 |
Correct |
159 ms |
508 KB |
Output is correct |
| 5 |
Correct |
338 ms |
504 KB |
Output is correct |
| 6 |
Correct |
232 ms |
624 KB |
Output is correct |
| 7 |
Correct |
313 ms |
504 KB |
Output is correct |
| 8 |
Correct |
1 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
0 ms |
384 KB |
Output is correct |
| 12 |
Correct |
229 ms |
504 KB |
Output is correct |
| 13 |
Correct |
254 ms |
612 KB |
Output is correct |
| 14 |
Correct |
236 ms |
504 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
324 ms |
504 KB |
Output is correct |
| 2 |
Correct |
1 ms |
384 KB |
Output is correct |
| 3 |
Correct |
296 ms |
508 KB |
Output is correct |
| 4 |
Correct |
1 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
315 ms |
488 KB |
Output is correct |
| 7 |
Correct |
243 ms |
504 KB |
Output is correct |
| 8 |
Correct |
378 ms |
512 KB |
Output is correct |
| 9 |
Correct |
387 ms |
512 KB |
Output is correct |
| 10 |
Correct |
369 ms |
512 KB |
Output is correct |
| 11 |
Correct |
237 ms |
632 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
0 ms |
384 KB |
Output is correct |
| 4 |
Correct |
1 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 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 |
1 ms |
384 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 |
384 KB |
Output is correct |
| 12 |
Correct |
1 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
0 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
0 ms |
384 KB |
Output is correct |
| 4 |
Correct |
1 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 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 |
1 ms |
384 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 |
384 KB |
Output is correct |
| 12 |
Correct |
1 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
0 ms |
384 KB |
Output is correct |
| 15 |
Correct |
0 ms |
384 KB |
Output is correct |
| 16 |
Correct |
1 ms |
384 KB |
Output is correct |
| 17 |
Correct |
1 ms |
384 KB |
Output is correct |
| 18 |
Correct |
0 ms |
384 KB |
Output is correct |
| 19 |
Correct |
1 ms |
308 KB |
Output is correct |
| 20 |
Correct |
33 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
1 ms |
384 KB |
Output is correct |
| 23 |
Correct |
50 ms |
384 KB |
Output is correct |
| 24 |
Correct |
46 ms |
384 KB |
Output is correct |
| 25 |
Correct |
47 ms |
384 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
1 ms |
384 KB |
Output is correct |
| 28 |
Correct |
36 ms |
504 KB |
Output is correct |
| 29 |
Correct |
1 ms |
416 KB |
Output is correct |
| 30 |
Correct |
33 ms |
504 KB |
Output is correct |
| 31 |
Correct |
40 ms |
384 KB |
Output is correct |
| 32 |
Correct |
1 ms |
384 KB |
Output is correct |
| 33 |
Correct |
1 ms |
384 KB |
Output is correct |
| 34 |
Correct |
1 ms |
384 KB |
Output is correct |
| 35 |
Correct |
49 ms |
504 KB |
Output is correct |
| 36 |
Correct |
46 ms |
384 KB |
Output is correct |
| 37 |
Correct |
0 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
165 ms |
504 KB |
Output is correct |
| 2 |
Correct |
152 ms |
476 KB |
Output is correct |
| 3 |
Correct |
236 ms |
504 KB |
Output is correct |
| 4 |
Correct |
159 ms |
508 KB |
Output is correct |
| 5 |
Correct |
338 ms |
504 KB |
Output is correct |
| 6 |
Correct |
232 ms |
624 KB |
Output is correct |
| 7 |
Correct |
313 ms |
504 KB |
Output is correct |
| 8 |
Correct |
1 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
0 ms |
384 KB |
Output is correct |
| 12 |
Correct |
229 ms |
504 KB |
Output is correct |
| 13 |
Correct |
254 ms |
612 KB |
Output is correct |
| 14 |
Correct |
236 ms |
504 KB |
Output is correct |
| 15 |
Correct |
324 ms |
504 KB |
Output is correct |
| 16 |
Correct |
1 ms |
384 KB |
Output is correct |
| 17 |
Correct |
296 ms |
508 KB |
Output is correct |
| 18 |
Correct |
1 ms |
384 KB |
Output is correct |
| 19 |
Correct |
1 ms |
384 KB |
Output is correct |
| 20 |
Correct |
315 ms |
488 KB |
Output is correct |
| 21 |
Correct |
243 ms |
504 KB |
Output is correct |
| 22 |
Correct |
378 ms |
512 KB |
Output is correct |
| 23 |
Correct |
387 ms |
512 KB |
Output is correct |
| 24 |
Correct |
369 ms |
512 KB |
Output is correct |
| 25 |
Correct |
237 ms |
632 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
0 ms |
384 KB |
Output is correct |
| 28 |
Correct |
0 ms |
384 KB |
Output is correct |
| 29 |
Correct |
1 ms |
384 KB |
Output is correct |
| 30 |
Correct |
1 ms |
384 KB |
Output is correct |
| 31 |
Correct |
1 ms |
384 KB |
Output is correct |
| 32 |
Correct |
1 ms |
384 KB |
Output is correct |
| 33 |
Correct |
1 ms |
384 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 |
384 KB |
Output is correct |
| 37 |
Correct |
1 ms |
384 KB |
Output is correct |
| 38 |
Correct |
1 ms |
384 KB |
Output is correct |
| 39 |
Correct |
0 ms |
384 KB |
Output is correct |
| 40 |
Correct |
0 ms |
384 KB |
Output is correct |
| 41 |
Correct |
1 ms |
384 KB |
Output is correct |
| 42 |
Correct |
1 ms |
384 KB |
Output is correct |
| 43 |
Correct |
0 ms |
384 KB |
Output is correct |
| 44 |
Correct |
1 ms |
308 KB |
Output is correct |
| 45 |
Correct |
33 ms |
384 KB |
Output is correct |
| 46 |
Correct |
1 ms |
384 KB |
Output is correct |
| 47 |
Correct |
1 ms |
384 KB |
Output is correct |
| 48 |
Correct |
50 ms |
384 KB |
Output is correct |
| 49 |
Correct |
46 ms |
384 KB |
Output is correct |
| 50 |
Correct |
47 ms |
384 KB |
Output is correct |
| 51 |
Correct |
1 ms |
384 KB |
Output is correct |
| 52 |
Correct |
1 ms |
384 KB |
Output is correct |
| 53 |
Correct |
36 ms |
504 KB |
Output is correct |
| 54 |
Correct |
1 ms |
416 KB |
Output is correct |
| 55 |
Correct |
33 ms |
504 KB |
Output is correct |
| 56 |
Correct |
40 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 |
1 ms |
384 KB |
Output is correct |
| 60 |
Correct |
49 ms |
504 KB |
Output is correct |
| 61 |
Correct |
46 ms |
384 KB |
Output is correct |
| 62 |
Correct |
0 ms |
384 KB |
Output is correct |
| 63 |
Correct |
168 ms |
504 KB |
Output is correct |
| 64 |
Correct |
160 ms |
504 KB |
Output is correct |
| 65 |
Correct |
250 ms |
504 KB |
Output is correct |
| 66 |
Correct |
175 ms |
612 KB |
Output is correct |
| 67 |
Correct |
328 ms |
504 KB |
Output is correct |
| 68 |
Correct |
254 ms |
504 KB |
Output is correct |
| 69 |
Correct |
352 ms |
512 KB |
Output is correct |
| 70 |
Correct |
1 ms |
384 KB |
Output is correct |
| 71 |
Correct |
1 ms |
384 KB |
Output is correct |
| 72 |
Correct |
242 ms |
504 KB |
Output is correct |
| 73 |
Correct |
227 ms |
504 KB |
Output is correct |
| 74 |
Correct |
232 ms |
504 KB |
Output is correct |
| 75 |
Correct |
277 ms |
512 KB |
Output is correct |
| 76 |
Correct |
1 ms |
384 KB |
Output is correct |
| 77 |
Correct |
1 ms |
384 KB |
Output is correct |
| 78 |
Correct |
316 ms |
504 KB |
Output is correct |
| 79 |
Correct |
242 ms |
504 KB |
Output is correct |
| 80 |
Correct |
380 ms |
632 KB |
Output is correct |
| 81 |
Correct |
408 ms |
632 KB |
Output is correct |
| 82 |
Correct |
371 ms |
632 KB |
Output is correct |
| 83 |
Correct |
255 ms |
512 KB |
Output is correct |
| 84 |
Correct |
1 ms |
384 KB |
Output is correct |
| 85 |
Correct |
44 ms |
384 KB |
Output is correct |
| 86 |
Correct |
219 ms |
504 KB |
Output is correct |
| 87 |
Correct |
1 ms |
384 KB |
Output is correct |
| 88 |
Correct |
1 ms |
384 KB |
Output is correct |
| 89 |
Correct |
46 ms |
360 KB |
Output is correct |
| 90 |
Correct |
47 ms |
384 KB |
Output is correct |
| 91 |
Correct |
47 ms |
384 KB |
Output is correct |
| 92 |
Correct |
348 ms |
512 KB |
Output is correct |
| 93 |
Correct |
338 ms |
512 KB |
Output is correct |
| 94 |
Correct |
375 ms |
632 KB |
Output is correct |
| 95 |
Correct |
1 ms |
384 KB |
Output is correct |
| 96 |
Correct |
1 ms |
384 KB |
Output is correct |
| 97 |
Correct |
231 ms |
500 KB |
Output is correct |
| 98 |
Correct |
35 ms |
384 KB |
Output is correct |
| 99 |
Correct |
248 ms |
504 KB |
Output is correct |
| 100 |
Correct |
1 ms |
384 KB |
Output is correct |
| 101 |
Correct |
34 ms |
384 KB |
Output is correct |
| 102 |
Correct |
33 ms |
384 KB |
Output is correct |
| 103 |
Correct |
220 ms |
504 KB |
Output is correct |
| 104 |
Correct |
1 ms |
384 KB |
Output is correct |
| 105 |
Correct |
1 ms |
384 KB |
Output is correct |
| 106 |
Correct |
1 ms |
384 KB |
Output is correct |
| 107 |
Correct |
47 ms |
504 KB |
Output is correct |
| 108 |
Correct |
47 ms |
384 KB |
Output is correct |
| 109 |
Correct |
373 ms |
512 KB |
Output is correct |
| 110 |
Correct |
369 ms |
512 KB |
Output is correct |
| 111 |
Correct |
1 ms |
384 KB |
Output is correct |
