# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
258413 |
2020-08-05T22:52:48 Z |
SpeedOfMagic |
Cave (IOI13_cave) |
C++17 |
|
271 ms |
760 KB |
#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
void exploreCave(int N) {
vector<int> switches;
for (int i = 0; i < N; ++i)
switches.push_back(i);
int correct[N]; int perm[N];
for (int i = 0; i < N; ++i)
correct[i] = 0;
int current = tryCombination(correct);
for (int i = 0; i < N; ++i) {
if (current == i) {
for (int j : switches)
correct[j] = 1 - correct[j];
current = tryCombination(correct);
}
//cerr << current << " " << i << endl;
assert(current > i || current == -1);
int l = 0, r = switches.size() - 1;
while (l < r) {
int mid = (l + r) >> 1;
for (int i = l; i <= mid; ++i)
correct[switches[i]] = 1 - correct[switches[i]];
int pos = tryCombination(correct);
for (int i = l; i <= mid; ++i)
correct[switches[i]] = 1 - correct[switches[i]];
if (pos == i) {
r = mid;
} else {
l = mid + 1;
}
}
perm[switches[l]] = i;
switches.erase(switches.begin() + l);
}
answer(correct, perm);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
146 ms |
384 KB |
Output is correct |
2 |
Correct |
145 ms |
512 KB |
Output is correct |
3 |
Correct |
215 ms |
512 KB |
Output is correct |
4 |
Correct |
148 ms |
632 KB |
Output is correct |
5 |
Correct |
215 ms |
536 KB |
Output is correct |
6 |
Correct |
269 ms |
636 KB |
Output is correct |
7 |
Correct |
219 ms |
636 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
243 ms |
512 KB |
Output is correct |
13 |
Correct |
245 ms |
632 KB |
Output is correct |
14 |
Correct |
245 ms |
632 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
220 ms |
632 KB |
Output is correct |
2 |
Correct |
1 ms |
256 KB |
Output is correct |
3 |
Correct |
217 ms |
512 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
229 ms |
512 KB |
Output is correct |
7 |
Correct |
196 ms |
632 KB |
Output is correct |
8 |
Correct |
210 ms |
512 KB |
Output is correct |
9 |
Correct |
220 ms |
540 KB |
Output is correct |
10 |
Correct |
218 ms |
632 KB |
Output is correct |
11 |
Correct |
189 ms |
544 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
304 KB |
Output is correct |
5 |
Correct |
0 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 |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
1 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
304 KB |
Output is correct |
5 |
Correct |
0 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 |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
1 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
1 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
0 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
29 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
256 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
34 ms |
384 KB |
Output is correct |
24 |
Correct |
35 ms |
384 KB |
Output is correct |
25 |
Correct |
35 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
256 KB |
Output is correct |
27 |
Correct |
1 ms |
512 KB |
Output is correct |
28 |
Correct |
36 ms |
384 KB |
Output is correct |
29 |
Correct |
0 ms |
256 KB |
Output is correct |
30 |
Correct |
33 ms |
384 KB |
Output is correct |
31 |
Correct |
32 ms |
436 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 |
37 ms |
384 KB |
Output is correct |
36 |
Correct |
35 ms |
384 KB |
Output is correct |
37 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
146 ms |
384 KB |
Output is correct |
2 |
Correct |
145 ms |
512 KB |
Output is correct |
3 |
Correct |
215 ms |
512 KB |
Output is correct |
4 |
Correct |
148 ms |
632 KB |
Output is correct |
5 |
Correct |
215 ms |
536 KB |
Output is correct |
6 |
Correct |
269 ms |
636 KB |
Output is correct |
7 |
Correct |
219 ms |
636 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
243 ms |
512 KB |
Output is correct |
13 |
Correct |
245 ms |
632 KB |
Output is correct |
14 |
Correct |
245 ms |
632 KB |
Output is correct |
15 |
Correct |
220 ms |
632 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
217 ms |
512 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
229 ms |
512 KB |
Output is correct |
21 |
Correct |
196 ms |
632 KB |
Output is correct |
22 |
Correct |
210 ms |
512 KB |
Output is correct |
23 |
Correct |
220 ms |
540 KB |
Output is correct |
24 |
Correct |
218 ms |
632 KB |
Output is correct |
25 |
Correct |
189 ms |
544 KB |
Output is correct |
26 |
Correct |
1 ms |
256 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
0 ms |
384 KB |
Output is correct |
29 |
Correct |
0 ms |
304 KB |
Output is correct |
30 |
Correct |
0 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 |
0 ms |
256 KB |
Output is correct |
36 |
Correct |
1 ms |
256 KB |
Output is correct |
37 |
Correct |
1 ms |
256 KB |
Output is correct |
38 |
Correct |
1 ms |
384 KB |
Output is correct |
39 |
Correct |
0 ms |
256 KB |
Output is correct |
40 |
Correct |
1 ms |
256 KB |
Output is correct |
41 |
Correct |
1 ms |
384 KB |
Output is correct |
42 |
Correct |
0 ms |
384 KB |
Output is correct |
43 |
Correct |
0 ms |
384 KB |
Output is correct |
44 |
Correct |
0 ms |
384 KB |
Output is correct |
45 |
Correct |
29 ms |
384 KB |
Output is correct |
46 |
Correct |
0 ms |
256 KB |
Output is correct |
47 |
Correct |
0 ms |
384 KB |
Output is correct |
48 |
Correct |
34 ms |
384 KB |
Output is correct |
49 |
Correct |
35 ms |
384 KB |
Output is correct |
50 |
Correct |
35 ms |
384 KB |
Output is correct |
51 |
Correct |
1 ms |
256 KB |
Output is correct |
52 |
Correct |
1 ms |
512 KB |
Output is correct |
53 |
Correct |
36 ms |
384 KB |
Output is correct |
54 |
Correct |
0 ms |
256 KB |
Output is correct |
55 |
Correct |
33 ms |
384 KB |
Output is correct |
56 |
Correct |
32 ms |
436 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 |
37 ms |
384 KB |
Output is correct |
61 |
Correct |
35 ms |
384 KB |
Output is correct |
62 |
Correct |
0 ms |
384 KB |
Output is correct |
63 |
Correct |
145 ms |
504 KB |
Output is correct |
64 |
Correct |
145 ms |
512 KB |
Output is correct |
65 |
Correct |
218 ms |
632 KB |
Output is correct |
66 |
Correct |
150 ms |
512 KB |
Output is correct |
67 |
Correct |
228 ms |
512 KB |
Output is correct |
68 |
Correct |
271 ms |
632 KB |
Output is correct |
69 |
Correct |
217 ms |
632 KB |
Output is correct |
70 |
Correct |
1 ms |
384 KB |
Output is correct |
71 |
Correct |
1 ms |
256 KB |
Output is correct |
72 |
Correct |
248 ms |
632 KB |
Output is correct |
73 |
Correct |
242 ms |
760 KB |
Output is correct |
74 |
Correct |
245 ms |
512 KB |
Output is correct |
75 |
Correct |
213 ms |
632 KB |
Output is correct |
76 |
Correct |
0 ms |
384 KB |
Output is correct |
77 |
Correct |
0 ms |
256 KB |
Output is correct |
78 |
Correct |
232 ms |
512 KB |
Output is correct |
79 |
Correct |
195 ms |
512 KB |
Output is correct |
80 |
Correct |
210 ms |
512 KB |
Output is correct |
81 |
Correct |
212 ms |
512 KB |
Output is correct |
82 |
Correct |
209 ms |
512 KB |
Output is correct |
83 |
Correct |
197 ms |
512 KB |
Output is correct |
84 |
Correct |
1 ms |
256 KB |
Output is correct |
85 |
Correct |
29 ms |
384 KB |
Output is correct |
86 |
Correct |
190 ms |
512 KB |
Output is correct |
87 |
Correct |
1 ms |
384 KB |
Output is correct |
88 |
Correct |
0 ms |
256 KB |
Output is correct |
89 |
Correct |
35 ms |
384 KB |
Output is correct |
90 |
Correct |
35 ms |
504 KB |
Output is correct |
91 |
Correct |
35 ms |
384 KB |
Output is correct |
92 |
Correct |
252 ms |
512 KB |
Output is correct |
93 |
Correct |
241 ms |
540 KB |
Output is correct |
94 |
Correct |
238 ms |
512 KB |
Output is correct |
95 |
Correct |
0 ms |
256 KB |
Output is correct |
96 |
Correct |
0 ms |
384 KB |
Output is correct |
97 |
Correct |
224 ms |
760 KB |
Output is correct |
98 |
Correct |
37 ms |
444 KB |
Output is correct |
99 |
Correct |
238 ms |
512 KB |
Output is correct |
100 |
Correct |
1 ms |
384 KB |
Output is correct |
101 |
Correct |
33 ms |
384 KB |
Output is correct |
102 |
Correct |
35 ms |
504 KB |
Output is correct |
103 |
Correct |
211 ms |
632 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 |
384 KB |
Output is correct |
107 |
Correct |
35 ms |
504 KB |
Output is correct |
108 |
Correct |
33 ms |
384 KB |
Output is correct |
109 |
Correct |
239 ms |
512 KB |
Output is correct |
110 |
Correct |
220 ms |
512 KB |
Output is correct |
111 |
Correct |
0 ms |
384 KB |
Output is correct |