oj.uz

Submission #585095

# Submission time Handle Problem Language Result Execution time Memory
585095 2022-06-28T10:00:01 Z Einsitein Cave (IOI13_cave) C++
100 / 100
 233 ms 460 KB 
#include "cave.h"
 
#include <bits/stdc++.h>
 
using namespace std;
 
namespace
{
} // namespace
 
void exploreCave(int N)
{
    vector<int> s(N);
    vector<int> d(N);
 
    vector<int> guess(N, 0);
 
    vector<bool> done(N, 0);
 
    auto toggle = [&](int l, int r) -> void
    {
        for (int i = l; i < r; i++)
        {
            if (!done[i])
                guess[i] ^= 1;
        }
    };
 
    for (int i = 0; i < N; i++)
    {
        int lo = 0, hi = N;
 
        bool last = (tryCombination(guess.data()) + N + 1) % (N + 1) > i;
        while (hi - lo > 1)
        {
            int mid = (lo + hi) / 2;
            toggle(lo, mid);
            if (last != (tryCombination(guess.data()) + N + 1) % (N + 1) > i)
            {
                last = !last;
                hi = mid;
            }
            else
                lo = mid;
        }
 
        s[lo] = last ^ guess[lo] ^ 1;
        d[lo] = i;
        done[lo] = 1;
        guess[lo] = s[lo];
    }
 
    answer(s.data(), d.data());
}

Compilation message

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:38:74: warning: suggest parentheses around comparison in operand of '!=' [-Wparentheses]
   38 |             if (last != (tryCombination(guess.data()) + N + 1) % (N + 1) > i)
      |                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 412 KB Output is correct
2 Correct 80 ms 420 KB Output is correct
3 Correct 130 ms 440 KB Output is correct
4 Correct 91 ms 408 KB Output is correct
5 Correct 132 ms 428 KB Output is correct
6 Correct 140 ms 428 KB Output is correct
7 Correct 156 ms 428 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 304 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 130 ms 340 KB Output is correct
13 Correct 126 ms 440 KB Output is correct
14 Correct 133 ms 432 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 142 ms 428 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 138 ms 428 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 133 ms 428 KB Output is correct
7 Correct 134 ms 460 KB Output is correct
8 Correct 217 ms 444 KB Output is correct
9 Correct 216 ms 428 KB Output is correct
10 Correct 233 ms 440 KB Output is correct
11 Correct 183 ms 432 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 304 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 308 KB Output is correct
9 Correct 1 ms 300 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

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 304 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 308 KB Output is correct
9 Correct 1 ms 300 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 1 ms 212 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 25 ms 312 KB Output is correct
21 Correct 1 ms 304 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 35 ms 348 KB Output is correct
24 Correct 32 ms 340 KB Output is correct
25 Correct 30 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 19 ms 372 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 21 ms 340 KB Output is correct
31 Correct 20 ms 340 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 300 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 34 ms 340 KB Output is correct
36 Correct 33 ms 356 KB Output is correct
37 Correct 1 ms 296 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 412 KB Output is correct
2 Correct 80 ms 420 KB Output is correct
3 Correct 130 ms 440 KB Output is correct
4 Correct 91 ms 408 KB Output is correct
5 Correct 132 ms 428 KB Output is correct
6 Correct 140 ms 428 KB Output is correct
7 Correct 156 ms 428 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 304 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 130 ms 340 KB Output is correct
13 Correct 126 ms 440 KB Output is correct
14 Correct 133 ms 432 KB Output is correct
15 Correct 142 ms 428 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 138 ms 428 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 133 ms 428 KB Output is correct
21 Correct 134 ms 460 KB Output is correct
22 Correct 217 ms 444 KB Output is correct
23 Correct 216 ms 428 KB Output is correct
24 Correct 233 ms 440 KB Output is correct
25 Correct 183 ms 432 KB Output is correct
26 Correct 1 ms 300 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 304 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 308 KB Output is correct
34 Correct 1 ms 300 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 1 ms 212 KB Output is correct
42 Correct 1 ms 304 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 25 ms 312 KB Output is correct
46 Correct 1 ms 304 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 35 ms 348 KB Output is correct
49 Correct 32 ms 340 KB Output is correct
50 Correct 30 ms 340 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 308 KB Output is correct
53 Correct 19 ms 372 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 21 ms 340 KB Output is correct
56 Correct 20 ms 340 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 1 ms 300 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 34 ms 340 KB Output is correct
61 Correct 33 ms 356 KB Output is correct
62 Correct 1 ms 296 KB Output is correct
63 Correct 102 ms 416 KB Output is correct
64 Correct 101 ms 416 KB Output is correct
65 Correct 144 ms 340 KB Output is correct
66 Correct 89 ms 412 KB Output is correct
67 Correct 130 ms 428 KB Output is correct
68 Correct 120 ms 432 KB Output is correct
69 Correct 174 ms 428 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 118 ms 432 KB Output is correct
73 Correct 119 ms 432 KB Output is correct
74 Correct 119 ms 428 KB Output is correct
75 Correct 126 ms 460 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 125 ms 340 KB Output is correct
79 Correct 126 ms 432 KB Output is correct
80 Correct 190 ms 444 KB Output is correct
81 Correct 219 ms 448 KB Output is correct
82 Correct 186 ms 428 KB Output is correct
83 Correct 142 ms 440 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 19 ms 316 KB Output is correct
86 Correct 126 ms 340 KB Output is correct
87 Correct 1 ms 212 KB Output is correct
88 Correct 1 ms 300 KB Output is correct
89 Correct 26 ms 340 KB Output is correct
90 Correct 27 ms 320 KB Output is correct
91 Correct 27 ms 340 KB Output is correct
92 Correct 182 ms 428 KB Output is correct
93 Correct 188 ms 432 KB Output is correct
94 Correct 187 ms 432 KB Output is correct
95 Correct 1 ms 212 KB Output is correct
96 Correct 1 ms 300 KB Output is correct
97 Correct 134 ms 436 KB Output is correct
98 Correct 21 ms 340 KB Output is correct
99 Correct 119 ms 340 KB Output is correct
100 Correct 1 ms 308 KB Output is correct
101 Correct 18 ms 340 KB Output is correct
102 Correct 18 ms 340 KB Output is correct
103 Correct 125 ms 340 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 29 ms 368 KB Output is correct
108 Correct 36 ms 356 KB Output is correct
109 Correct 188 ms 340 KB Output is correct
110 Correct 186 ms 432 KB Output is correct
111 Correct 1 ms 212 KB Output is correct