#include <bits/stdc++.h>
#include "cave.h"
using namespace std;
const int N=5005;
int s[N],d[N],done[N],now;
bool check(int md){
for(int i=0;i<=md;i++)s[i]^=(!done[i]);
int x=tryCombination(s);
for(int i=0;i<=md;i++)s[i]^=(!done[i]);
return x>now||x==-1;
}
void exploreCave(int n){
for(int i=0;i<n;i++){
now=i;
int x=tryCombination(s);
for(int j=0;j<n&&(x>i||x==-1);j++)s[j]^=(!done[j]);
int l=0,r=n-1,ans;
while(l<=r){
int md=(l+r)>>1;
if(check(md))r=(ans=md)-1;
else l=md+1;
}
d[ans]=i;
done[ans]=1;
s[ans]^=1;
}
answer(s,d);
}
Compilation message
cave.cpp: In function 'void exploreCave(int)':
cave.cpp:25:15: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
25 | s[ans]^=1;
| ~~~~~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
211 ms |
532 KB |
Output is correct |
2 |
Correct |
214 ms |
540 KB |
Output is correct |
3 |
Correct |
328 ms |
460 KB |
Output is correct |
4 |
Correct |
220 ms |
424 KB |
Output is correct |
5 |
Correct |
328 ms |
552 KB |
Output is correct |
6 |
Correct |
338 ms |
416 KB |
Output is correct |
7 |
Correct |
312 ms |
552 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
324 ms |
432 KB |
Output is correct |
13 |
Correct |
322 ms |
424 KB |
Output is correct |
14 |
Correct |
326 ms |
432 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
313 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
359 ms |
424 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
321 ms |
428 KB |
Output is correct |
7 |
Correct |
365 ms |
436 KB |
Output is correct |
8 |
Correct |
329 ms |
340 KB |
Output is correct |
9 |
Correct |
335 ms |
432 KB |
Output is correct |
10 |
Correct |
338 ms |
340 KB |
Output is correct |
11 |
Correct |
364 ms |
532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
47 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
308 KB |
Output is correct |
23 |
Correct |
48 ms |
340 KB |
Output is correct |
24 |
Correct |
49 ms |
320 KB |
Output is correct |
25 |
Correct |
48 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
300 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
48 ms |
376 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
48 ms |
364 KB |
Output is correct |
31 |
Correct |
49 ms |
368 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
304 KB |
Output is correct |
35 |
Correct |
50 ms |
320 KB |
Output is correct |
36 |
Correct |
47 ms |
360 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
211 ms |
532 KB |
Output is correct |
2 |
Correct |
214 ms |
540 KB |
Output is correct |
3 |
Correct |
328 ms |
460 KB |
Output is correct |
4 |
Correct |
220 ms |
424 KB |
Output is correct |
5 |
Correct |
328 ms |
552 KB |
Output is correct |
6 |
Correct |
338 ms |
416 KB |
Output is correct |
7 |
Correct |
312 ms |
552 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
324 ms |
432 KB |
Output is correct |
13 |
Correct |
322 ms |
424 KB |
Output is correct |
14 |
Correct |
326 ms |
432 KB |
Output is correct |
15 |
Correct |
313 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
359 ms |
424 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
321 ms |
428 KB |
Output is correct |
21 |
Correct |
365 ms |
436 KB |
Output is correct |
22 |
Correct |
329 ms |
340 KB |
Output is correct |
23 |
Correct |
335 ms |
432 KB |
Output is correct |
24 |
Correct |
338 ms |
340 KB |
Output is correct |
25 |
Correct |
364 ms |
532 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
1 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
1 ms |
212 KB |
Output is correct |
43 |
Correct |
1 ms |
212 KB |
Output is correct |
44 |
Correct |
1 ms |
212 KB |
Output is correct |
45 |
Correct |
47 ms |
364 KB |
Output is correct |
46 |
Correct |
1 ms |
212 KB |
Output is correct |
47 |
Correct |
1 ms |
308 KB |
Output is correct |
48 |
Correct |
48 ms |
340 KB |
Output is correct |
49 |
Correct |
49 ms |
320 KB |
Output is correct |
50 |
Correct |
48 ms |
340 KB |
Output is correct |
51 |
Correct |
1 ms |
300 KB |
Output is correct |
52 |
Correct |
1 ms |
212 KB |
Output is correct |
53 |
Correct |
48 ms |
376 KB |
Output is correct |
54 |
Correct |
1 ms |
212 KB |
Output is correct |
55 |
Correct |
48 ms |
364 KB |
Output is correct |
56 |
Correct |
49 ms |
368 KB |
Output is correct |
57 |
Correct |
1 ms |
340 KB |
Output is correct |
58 |
Correct |
1 ms |
212 KB |
Output is correct |
59 |
Correct |
1 ms |
304 KB |
Output is correct |
60 |
Correct |
50 ms |
320 KB |
Output is correct |
61 |
Correct |
47 ms |
360 KB |
Output is correct |
62 |
Correct |
1 ms |
212 KB |
Output is correct |
63 |
Correct |
209 ms |
532 KB |
Output is correct |
64 |
Correct |
216 ms |
444 KB |
Output is correct |
65 |
Correct |
325 ms |
340 KB |
Output is correct |
66 |
Correct |
218 ms |
424 KB |
Output is correct |
67 |
Correct |
319 ms |
340 KB |
Output is correct |
68 |
Correct |
349 ms |
412 KB |
Output is correct |
69 |
Correct |
321 ms |
548 KB |
Output is correct |
70 |
Correct |
1 ms |
212 KB |
Output is correct |
71 |
Correct |
1 ms |
212 KB |
Output is correct |
72 |
Correct |
323 ms |
340 KB |
Output is correct |
73 |
Correct |
335 ms |
432 KB |
Output is correct |
74 |
Correct |
326 ms |
424 KB |
Output is correct |
75 |
Correct |
333 ms |
416 KB |
Output is correct |
76 |
Correct |
1 ms |
212 KB |
Output is correct |
77 |
Correct |
1 ms |
212 KB |
Output is correct |
78 |
Correct |
327 ms |
540 KB |
Output is correct |
79 |
Correct |
362 ms |
612 KB |
Output is correct |
80 |
Correct |
331 ms |
444 KB |
Output is correct |
81 |
Correct |
331 ms |
436 KB |
Output is correct |
82 |
Correct |
330 ms |
444 KB |
Output is correct |
83 |
Correct |
372 ms |
408 KB |
Output is correct |
84 |
Correct |
1 ms |
340 KB |
Output is correct |
85 |
Correct |
51 ms |
372 KB |
Output is correct |
86 |
Correct |
332 ms |
556 KB |
Output is correct |
87 |
Correct |
1 ms |
212 KB |
Output is correct |
88 |
Correct |
1 ms |
212 KB |
Output is correct |
89 |
Correct |
49 ms |
340 KB |
Output is correct |
90 |
Correct |
48 ms |
320 KB |
Output is correct |
91 |
Correct |
49 ms |
364 KB |
Output is correct |
92 |
Correct |
341 ms |
432 KB |
Output is correct |
93 |
Correct |
338 ms |
432 KB |
Output is correct |
94 |
Correct |
344 ms |
340 KB |
Output is correct |
95 |
Correct |
1 ms |
212 KB |
Output is correct |
96 |
Correct |
1 ms |
212 KB |
Output is correct |
97 |
Correct |
334 ms |
436 KB |
Output is correct |
98 |
Correct |
48 ms |
340 KB |
Output is correct |
99 |
Correct |
332 ms |
428 KB |
Output is correct |
100 |
Correct |
1 ms |
308 KB |
Output is correct |
101 |
Correct |
47 ms |
360 KB |
Output is correct |
102 |
Correct |
54 ms |
352 KB |
Output is correct |
103 |
Correct |
330 ms |
440 KB |
Output is correct |
104 |
Correct |
1 ms |
212 KB |
Output is correct |
105 |
Correct |
1 ms |
212 KB |
Output is correct |
106 |
Correct |
1 ms |
212 KB |
Output is correct |
107 |
Correct |
48 ms |
368 KB |
Output is correct |
108 |
Correct |
46 ms |
364 KB |
Output is correct |
109 |
Correct |
343 ms |
432 KB |
Output is correct |
110 |
Correct |
335 ms |
444 KB |
Output is correct |
111 |
Correct |
1 ms |
212 KB |
Output is correct |