# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
971356 |
2024-04-28T11:49:27 Z |
Acanikolic |
Cave (IOI13_cave) |
C++14 |
|
232 ms |
600 KB |
#include <bits/stdc++.h>
#include "cave.h"
using namespace std;
void exploreCave(int N) {
int S[N],D[N];
for(int i = 0; i < N; i++) {
S[i] = 0;
D[i] = -1;
}
for(int Q = 0; Q < N; Q++) {
int X = tryCombination(S);
int l = 0, r = N - 1,ans = -1,yy;
while(l <= r) {
int mid = (l + r) / 2;
for(int i = l; i <= mid; i++) if(D[i] == -1) S[i] ^= 1;
int Y = tryCombination(S);
for(int i = l; i <= mid; i++) if(D[i] == -1) S[i] ^= 1;
if(X != Y) {
yy = Y;
ans = mid;
r = mid - 1;
}else {
l = mid + 1;
}
}
assert(ans != -1);
D[ans] = X;
S[ans] ^= 1;
if(X == -1) {
D[ans] = yy;
S[ans] ^= 1;
}
else if(yy < X && yy != -1) {
D[ans] = yy;
S[ans] ^= 1;
}
}
answer(S,D);
}
Compilation message
cave.cpp: In function 'void exploreCave(int)':
cave.cpp:33:20: warning: 'yy' may be used uninitialized in this function [-Wmaybe-uninitialized]
33 | D[ans] = yy;
| ~~~~~~~^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
91 ms |
348 KB |
Output is correct |
2 |
Correct |
93 ms |
492 KB |
Output is correct |
3 |
Correct |
130 ms |
504 KB |
Output is correct |
4 |
Correct |
86 ms |
524 KB |
Output is correct |
5 |
Correct |
179 ms |
348 KB |
Output is correct |
6 |
Correct |
129 ms |
540 KB |
Output is correct |
7 |
Correct |
181 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
500 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
127 ms |
536 KB |
Output is correct |
13 |
Correct |
136 ms |
600 KB |
Output is correct |
14 |
Correct |
141 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
173 ms |
508 KB |
Output is correct |
2 |
Correct |
0 ms |
352 KB |
Output is correct |
3 |
Correct |
165 ms |
360 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
168 ms |
348 KB |
Output is correct |
7 |
Correct |
175 ms |
540 KB |
Output is correct |
8 |
Correct |
203 ms |
556 KB |
Output is correct |
9 |
Correct |
190 ms |
348 KB |
Output is correct |
10 |
Correct |
201 ms |
548 KB |
Output is correct |
11 |
Correct |
176 ms |
540 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
22 ms |
480 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
32 ms |
456 KB |
Output is correct |
24 |
Correct |
31 ms |
348 KB |
Output is correct |
25 |
Correct |
33 ms |
500 KB |
Output is correct |
26 |
Correct |
1 ms |
360 KB |
Output is correct |
27 |
Correct |
0 ms |
360 KB |
Output is correct |
28 |
Correct |
25 ms |
360 KB |
Output is correct |
29 |
Correct |
1 ms |
360 KB |
Output is correct |
30 |
Correct |
27 ms |
360 KB |
Output is correct |
31 |
Correct |
29 ms |
492 KB |
Output is correct |
32 |
Correct |
0 ms |
360 KB |
Output is correct |
33 |
Correct |
0 ms |
360 KB |
Output is correct |
34 |
Correct |
0 ms |
360 KB |
Output is correct |
35 |
Correct |
31 ms |
360 KB |
Output is correct |
36 |
Correct |
32 ms |
488 KB |
Output is correct |
37 |
Correct |
0 ms |
360 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
91 ms |
348 KB |
Output is correct |
2 |
Correct |
93 ms |
492 KB |
Output is correct |
3 |
Correct |
130 ms |
504 KB |
Output is correct |
4 |
Correct |
86 ms |
524 KB |
Output is correct |
5 |
Correct |
179 ms |
348 KB |
Output is correct |
6 |
Correct |
129 ms |
540 KB |
Output is correct |
7 |
Correct |
181 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
500 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
127 ms |
536 KB |
Output is correct |
13 |
Correct |
136 ms |
600 KB |
Output is correct |
14 |
Correct |
141 ms |
348 KB |
Output is correct |
15 |
Correct |
173 ms |
508 KB |
Output is correct |
16 |
Correct |
0 ms |
352 KB |
Output is correct |
17 |
Correct |
165 ms |
360 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
168 ms |
348 KB |
Output is correct |
21 |
Correct |
175 ms |
540 KB |
Output is correct |
22 |
Correct |
203 ms |
556 KB |
Output is correct |
23 |
Correct |
190 ms |
348 KB |
Output is correct |
24 |
Correct |
201 ms |
548 KB |
Output is correct |
25 |
Correct |
176 ms |
540 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
348 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
0 ms |
348 KB |
Output is correct |
38 |
Correct |
1 ms |
348 KB |
Output is correct |
39 |
Correct |
0 ms |
348 KB |
Output is correct |
40 |
Correct |
1 ms |
348 KB |
Output is correct |
41 |
Correct |
1 ms |
348 KB |
Output is correct |
42 |
Correct |
1 ms |
348 KB |
Output is correct |
43 |
Correct |
0 ms |
348 KB |
Output is correct |
44 |
Correct |
1 ms |
348 KB |
Output is correct |
45 |
Correct |
22 ms |
480 KB |
Output is correct |
46 |
Correct |
0 ms |
348 KB |
Output is correct |
47 |
Correct |
0 ms |
348 KB |
Output is correct |
48 |
Correct |
32 ms |
456 KB |
Output is correct |
49 |
Correct |
31 ms |
348 KB |
Output is correct |
50 |
Correct |
33 ms |
500 KB |
Output is correct |
51 |
Correct |
1 ms |
360 KB |
Output is correct |
52 |
Correct |
0 ms |
360 KB |
Output is correct |
53 |
Correct |
25 ms |
360 KB |
Output is correct |
54 |
Correct |
1 ms |
360 KB |
Output is correct |
55 |
Correct |
27 ms |
360 KB |
Output is correct |
56 |
Correct |
29 ms |
492 KB |
Output is correct |
57 |
Correct |
0 ms |
360 KB |
Output is correct |
58 |
Correct |
0 ms |
360 KB |
Output is correct |
59 |
Correct |
0 ms |
360 KB |
Output is correct |
60 |
Correct |
31 ms |
360 KB |
Output is correct |
61 |
Correct |
32 ms |
488 KB |
Output is correct |
62 |
Correct |
0 ms |
360 KB |
Output is correct |
63 |
Correct |
110 ms |
592 KB |
Output is correct |
64 |
Correct |
97 ms |
524 KB |
Output is correct |
65 |
Correct |
146 ms |
348 KB |
Output is correct |
66 |
Correct |
92 ms |
504 KB |
Output is correct |
67 |
Correct |
170 ms |
548 KB |
Output is correct |
68 |
Correct |
127 ms |
540 KB |
Output is correct |
69 |
Correct |
178 ms |
540 KB |
Output is correct |
70 |
Correct |
0 ms |
348 KB |
Output is correct |
71 |
Correct |
1 ms |
500 KB |
Output is correct |
72 |
Correct |
170 ms |
348 KB |
Output is correct |
73 |
Correct |
124 ms |
536 KB |
Output is correct |
74 |
Correct |
126 ms |
536 KB |
Output is correct |
75 |
Correct |
156 ms |
540 KB |
Output is correct |
76 |
Correct |
1 ms |
348 KB |
Output is correct |
77 |
Correct |
0 ms |
440 KB |
Output is correct |
78 |
Correct |
185 ms |
536 KB |
Output is correct |
79 |
Correct |
172 ms |
540 KB |
Output is correct |
80 |
Correct |
151 ms |
540 KB |
Output is correct |
81 |
Correct |
177 ms |
536 KB |
Output is correct |
82 |
Correct |
166 ms |
540 KB |
Output is correct |
83 |
Correct |
172 ms |
556 KB |
Output is correct |
84 |
Correct |
0 ms |
348 KB |
Output is correct |
85 |
Correct |
25 ms |
348 KB |
Output is correct |
86 |
Correct |
147 ms |
536 KB |
Output is correct |
87 |
Correct |
0 ms |
600 KB |
Output is correct |
88 |
Correct |
1 ms |
348 KB |
Output is correct |
89 |
Correct |
30 ms |
348 KB |
Output is correct |
90 |
Correct |
30 ms |
492 KB |
Output is correct |
91 |
Correct |
30 ms |
488 KB |
Output is correct |
92 |
Correct |
216 ms |
348 KB |
Output is correct |
93 |
Correct |
230 ms |
348 KB |
Output is correct |
94 |
Correct |
221 ms |
344 KB |
Output is correct |
95 |
Correct |
0 ms |
348 KB |
Output is correct |
96 |
Correct |
0 ms |
348 KB |
Output is correct |
97 |
Correct |
127 ms |
548 KB |
Output is correct |
98 |
Correct |
21 ms |
344 KB |
Output is correct |
99 |
Correct |
130 ms |
540 KB |
Output is correct |
100 |
Correct |
0 ms |
348 KB |
Output is correct |
101 |
Correct |
25 ms |
492 KB |
Output is correct |
102 |
Correct |
26 ms |
348 KB |
Output is correct |
103 |
Correct |
172 ms |
540 KB |
Output is correct |
104 |
Correct |
0 ms |
348 KB |
Output is correct |
105 |
Correct |
0 ms |
348 KB |
Output is correct |
106 |
Correct |
1 ms |
348 KB |
Output is correct |
107 |
Correct |
30 ms |
472 KB |
Output is correct |
108 |
Correct |
30 ms |
348 KB |
Output is correct |
109 |
Correct |
222 ms |
536 KB |
Output is correct |
110 |
Correct |
232 ms |
508 KB |
Output is correct |
111 |
Correct |
0 ms |
344 KB |
Output is correct |