oj.uz

Submission #803022

# Submission time Handle Problem Language Result Execution time Memory
803022 2023-08-02T19:08:35 Z jakobrs Cave (IOI13_cave) C++17
100 / 100
 103 ms 468 KB 
#include <iostream>
#include <list>
#include <vector>

#include "cave.h"

std::vector<int> states;

using pos = std::vector<int>::iterator;
std::vector<int> left;

int N;
int betterTryCombination(int S[]) {
    int a = tryCombination(S);
    return a >= 0 ? a : N;
}

int binarySearch(pos start, pos end, int n, int idx, int correctState,
                 int currentState) {
    if (n == 1) {
        states[*start] = correctState;
        int c = *start;
        *start = std::move(left.back());
        left.pop_back();
        return c;
    }

    int m = n / 2;
    auto mid = start;
    for (int i = 0; i < m; i++, mid++) {
        states[*mid] = !currentState;
    }

    bool open = betterTryCombination(states.data()) > idx;
    if (open == (currentState == correctState)) {
        return binarySearch(mid, end, n - m, idx, correctState, currentState);
    } else {
        return binarySearch(start, mid, m, idx, correctState, !currentState);
    }
}

void exploreCave(int N_) {
    N = N_;
    for (int i = 0; i < N; i++) {
        left.push_back(i);
    }
    states.resize(N);
    std::vector<int> positions(N, 0);

    std::cerr << N << '\n';

    for (int idx = 0; idx < N; idx++) {
        for (int j : left) {
            states[j] = 1;
        }
        bool correctState = betterTryCombination(states.data()) > idx;

        int c = binarySearch(left.begin(), left.end(), N - idx, idx,
                             correctState, 1);
        positions[c] = idx;
    }

    answer(states.data(), positions.data());
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 340 KB Output is correct
2 Correct 64 ms 408 KB Output is correct
3 Correct 101 ms 424 KB Output is correct
4 Correct 64 ms 340 KB Output is correct
5 Correct 91 ms 468 KB Output is correct
6 Correct 90 ms 412 KB Output is correct
7 Correct 93 ms 340 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 1 ms 212 KB Output is correct
12 Correct 88 ms 340 KB Output is correct
13 Correct 89 ms 340 KB Output is correct
14 Correct 91 ms 416 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 420 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 93 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 90 ms 412 KB Output is correct
7 Correct 99 ms 420 KB Output is correct
8 Correct 99 ms 340 KB Output is correct
9 Correct 95 ms 340 KB Output is correct
10 Correct 95 ms 412 KB Output is correct
11 Correct 91 ms 416 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 0 ms 212 KB Output is correct
7 Correct 1 ms 212 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 0 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 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 0 ms 212 KB Output is correct
7 Correct 1 ms 212 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 0 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 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 14 ms 340 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 13 ms 340 KB Output is correct
24 Correct 13 ms 364 KB Output is correct
25 Correct 13 ms 340 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 14 ms 364 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 14 ms 372 KB Output is correct
31 Correct 16 ms 372 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 13 ms 364 KB Output is correct
36 Correct 14 ms 340 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 68 ms 340 KB Output is correct
2 Correct 64 ms 408 KB Output is correct
3 Correct 101 ms 424 KB Output is correct
4 Correct 64 ms 340 KB Output is correct
5 Correct 91 ms 468 KB Output is correct
6 Correct 90 ms 412 KB Output is correct
7 Correct 93 ms 340 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 1 ms 212 KB Output is correct
12 Correct 88 ms 340 KB Output is correct
13 Correct 89 ms 340 KB Output is correct
14 Correct 91 ms 416 KB Output is correct
15 Correct 103 ms 420 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 93 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 90 ms 412 KB Output is correct
21 Correct 99 ms 420 KB Output is correct
22 Correct 99 ms 340 KB Output is correct
23 Correct 95 ms 340 KB Output is correct
24 Correct 95 ms 412 KB Output is correct
25 Correct 91 ms 416 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 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 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 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 14 ms 340 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 13 ms 340 KB Output is correct
49 Correct 13 ms 364 KB Output is correct
50 Correct 13 ms 340 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 14 ms 364 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 14 ms 372 KB Output is correct
56 Correct 16 ms 372 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 13 ms 364 KB Output is correct
61 Correct 14 ms 340 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 59 ms 400 KB Output is correct
64 Correct 60 ms 340 KB Output is correct
65 Correct 98 ms 340 KB Output is correct
66 Correct 67 ms 408 KB Output is correct
67 Correct 92 ms 416 KB Output is correct
68 Correct 89 ms 412 KB Output is correct
69 Correct 93 ms 340 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 88 ms 416 KB Output is correct
73 Correct 92 ms 428 KB Output is correct
74 Correct 89 ms 416 KB Output is correct
75 Correct 90 ms 416 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 98 ms 412 KB Output is correct
79 Correct 97 ms 412 KB Output is correct
80 Correct 95 ms 412 KB Output is correct
81 Correct 94 ms 340 KB Output is correct
82 Correct 95 ms 340 KB Output is correct
83 Correct 89 ms 412 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 15 ms 368 KB Output is correct
86 Correct 90 ms 340 KB Output is correct
87 Correct 1 ms 212 KB Output is correct
88 Correct 0 ms 212 KB Output is correct
89 Correct 13 ms 368 KB Output is correct
90 Correct 14 ms 368 KB Output is correct
91 Correct 14 ms 364 KB Output is correct
92 Correct 95 ms 340 KB Output is correct
93 Correct 93 ms 412 KB Output is correct
94 Correct 96 ms 412 KB Output is correct
95 Correct 0 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 89 ms 416 KB Output is correct
98 Correct 13 ms 340 KB Output is correct
99 Correct 89 ms 340 KB Output is correct
100 Correct 0 ms 212 KB Output is correct
101 Correct 14 ms 340 KB Output is correct
102 Correct 14 ms 364 KB Output is correct
103 Correct 91 ms 412 KB Output is correct
104 Correct 1 ms 212 KB Output is correct
105 Correct 0 ms 212 KB Output is correct
106 Correct 0 ms 212 KB Output is correct
107 Correct 16 ms 364 KB Output is correct
108 Correct 14 ms 340 KB Output is correct
109 Correct 101 ms 412 KB Output is correct
110 Correct 95 ms 412 KB Output is correct
111 Correct 0 ms 212 KB Output is correct