oj.uz

Submission #668054

# Submission time Handle Problem Language Result Execution time Memory
668054 2022-12-02T16:25:47 Z finn__ Cave (IOI13_cave) C++17
100 / 100
 525 ms 460 KB 
#include <bits/stdc++.h>
#include "cave.h"
using namespace std;

void exploreCave(int n)
{
    int p[n], comb[n];
    vector<int> x(n); // switches to be determined
    for (size_t i = 0; i < n; i++)
        x[i] = i;

    for (size_t i = 0; i < n; i++)
    {
        // First determine wheter the next switch must be on or off.
        for (size_t j = 0; j < n - i; j++)
            comb[x[j]] = 0;
        bool next_on = (tryCombination(comb) == i);

        size_t a = 0, b = n - i - 1;

        while (a < b)
        {
            size_t mid = (a + b) / 2;

            for (size_t j = 0; j <= mid; j++)
                comb[x[j]] = !next_on;
            for (size_t j = mid + 1; j < n - i; j++)
                comb[x[j]] = next_on;

            if (tryCombination(comb) == i)
                b = mid;
            else
                a = mid + 1;
        }

        p[x[a]] = i;
        comb[x[a]] = next_on;
        x.erase(x.begin() + a);
    }

    answer(comb, p);
}

Compilation message

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:9:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    9 |     for (size_t i = 0; i < n; i++)
      |                        ~~^~~
cave.cpp:12:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   12 |     for (size_t i = 0; i < n; i++)
      |                        ~~^~~
cave.cpp:17:46: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   17 |         bool next_on = (tryCombination(comb) == i);
      |                         ~~~~~~~~~~~~~~~~~~~~~^~~~
cave.cpp:30:38: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   30 |             if (tryCombination(comb) == i)
      |                 ~~~~~~~~~~~~~~~~~~~~~^~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 310 ms 460 KB Output is correct
2 Correct 329 ms 376 KB Output is correct
3 Correct 429 ms 392 KB Output is correct
4 Correct 319 ms 392 KB Output is correct
5 Correct 513 ms 340 KB Output is correct
6 Correct 493 ms 388 KB Output is correct
7 Correct 434 ms 392 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 503 ms 392 KB Output is correct
13 Correct 515 ms 388 KB Output is correct
14 Correct 470 ms 388 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 525 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 458 ms 388 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 511 ms 392 KB Output is correct
7 Correct 513 ms 340 KB Output is correct
8 Correct 508 ms 392 KB Output is correct
9 Correct 385 ms 460 KB Output is correct
10 Correct 505 ms 392 KB Output is correct
11 Correct 478 ms 392 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 304 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 304 KB Output is correct
14 Correct 0 ms 304 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 304 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 304 KB Output is correct
14 Correct 0 ms 304 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 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 67 ms 348 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 300 KB Output is correct
23 Correct 49 ms 348 KB Output is correct
24 Correct 71 ms 344 KB Output is correct
25 Correct 71 ms 344 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 66 ms 348 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 73 ms 340 KB Output is correct
31 Correct 63 ms 344 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 304 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 71 ms 344 KB Output is correct
36 Correct 65 ms 344 KB Output is correct
37 Correct 1 ms 212 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 310 ms 460 KB Output is correct
2 Correct 329 ms 376 KB Output is correct
3 Correct 429 ms 392 KB Output is correct
4 Correct 319 ms 392 KB Output is correct
5 Correct 513 ms 340 KB Output is correct
6 Correct 493 ms 388 KB Output is correct
7 Correct 434 ms 392 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 503 ms 392 KB Output is correct
13 Correct 515 ms 388 KB Output is correct
14 Correct 470 ms 388 KB Output is correct
15 Correct 525 ms 340 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 458 ms 388 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 511 ms 392 KB Output is correct
21 Correct 513 ms 340 KB Output is correct
22 Correct 508 ms 392 KB Output is correct
23 Correct 385 ms 460 KB Output is correct
24 Correct 505 ms 392 KB Output is correct
25 Correct 478 ms 392 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 304 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 304 KB Output is correct
39 Correct 0 ms 304 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 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 67 ms 348 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 300 KB Output is correct
48 Correct 49 ms 348 KB Output is correct
49 Correct 71 ms 344 KB Output is correct
50 Correct 71 ms 344 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 66 ms 348 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 73 ms 340 KB Output is correct
56 Correct 63 ms 344 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 1 ms 304 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 71 ms 344 KB Output is correct
61 Correct 65 ms 344 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 337 ms 408 KB Output is correct
64 Correct 332 ms 316 KB Output is correct
65 Correct 495 ms 424 KB Output is correct
66 Correct 337 ms 408 KB Output is correct
67 Correct 503 ms 424 KB Output is correct
68 Correct 486 ms 428 KB Output is correct
69 Correct 479 ms 424 KB Output is correct
70 Correct 1 ms 304 KB Output is correct
71 Correct 1 ms 300 KB Output is correct
72 Correct 469 ms 444 KB Output is correct
73 Correct 492 ms 340 KB Output is correct
74 Correct 432 ms 428 KB Output is correct
75 Correct 480 ms 340 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 0 ms 212 KB Output is correct
78 Correct 504 ms 424 KB Output is correct
79 Correct 465 ms 424 KB Output is correct
80 Correct 506 ms 440 KB Output is correct
81 Correct 514 ms 428 KB Output is correct
82 Correct 486 ms 424 KB Output is correct
83 Correct 480 ms 444 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 68 ms 340 KB Output is correct
86 Correct 466 ms 428 KB Output is correct
87 Correct 1 ms 212 KB Output is correct
88 Correct 1 ms 300 KB Output is correct
89 Correct 71 ms 352 KB Output is correct
90 Correct 67 ms 348 KB Output is correct
91 Correct 71 ms 344 KB Output is correct
92 Correct 465 ms 428 KB Output is correct
93 Correct 505 ms 460 KB Output is correct
94 Correct 497 ms 428 KB Output is correct
95 Correct 1 ms 304 KB Output is correct
96 Correct 1 ms 300 KB Output is correct
97 Correct 475 ms 424 KB Output is correct
98 Correct 70 ms 348 KB Output is correct
99 Correct 466 ms 428 KB Output is correct
100 Correct 1 ms 212 KB Output is correct
101 Correct 67 ms 348 KB Output is correct
102 Correct 59 ms 348 KB Output is correct
103 Correct 444 ms 460 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 300 KB Output is correct
107 Correct 71 ms 348 KB Output is correct
108 Correct 72 ms 352 KB Output is correct
109 Correct 495 ms 340 KB Output is correct
110 Correct 485 ms 340 KB Output is correct
111 Correct 1 ms 212 KB Output is correct