oj.uz

Submission #954548

# Submission time Handle Problem Language Result Execution time Memory
954548 2024-03-28T06:38:23 Z boris_mihov Xoractive (IZhO19_xoractive) C++17
100 / 100
 4 ms 848 KB 
#include "interactive.h"
#include <vector>
#include <map>
#include <set>

const int MAXN = 100 + 10;

std::map <int,int> map;
std::vector <int> query(std::vector <int> v)
{
    std::vector <int> res;
    for (int &i : v) i++;
    std::vector <int> returned = get_pairwise_xor(v);
    for (int i = v.size() ; i < returned.size() ; i += 2)
    {
        res.push_back(returned[i]);
    }

    return res;
}

std::vector <int> guess(int n)
{
    std::vector <int> result(n);
    result[0] = ask(1);

    for (int bit = 0 ; (1 << bit) < n ; ++bit)
    {
        std::vector <int> v;
        for (int i = 1 ; i < n ; ++i)
        {
            if (i & (1 << bit))
            {
                v.push_back(i);
            }
        }

        if (v.empty())
        {
            continue;
        }

        std::vector <int> without = query(v); v.push_back(0);
        std::vector <int> with = query(v);
        std::multiset <int> vals;

        for (const int &val : with)
        {
            vals.insert(val);
        }

        for (const int &val : without)
        {
            vals.erase(vals.find(val));
        }

        int last = -1;
        for (const int &val : vals)
        {
            if (val == last)
            {
                continue;
            }

            map[val ^ result[0]] |= (1 << bit);
            last = val;
        }
    }

    for (const auto &[key, value] : map)
    {
        result[value] = key;
    }

    return result;
}

Compilation message

Xoractive.cpp: In function 'std::vector<int> query(std::vector<int>)':
Xoractive.cpp:14:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for (int i = v.size() ; i < returned.size() ; i += 2)
      |                             ~~^~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 500 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 496 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 2 ms 500 KB Output is correct
18 Correct 2 ms 448 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 2 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 2 ms 344 KB Output is correct
26 Correct 3 ms 344 KB Output is correct
27 Correct 2 ms 344 KB Output is correct
28 Correct 2 ms 488 KB Output is correct
29 Correct 3 ms 344 KB Output is correct
30 Correct 3 ms 344 KB Output is correct
31 Correct 2 ms 344 KB Output is correct
32 Correct 3 ms 344 KB Output is correct
33 Correct 3 ms 344 KB Output is correct
34 Correct 3 ms 344 KB Output is correct
35 Correct 2 ms 344 KB Output is correct
36 Correct 2 ms 344 KB Output is correct
37 Correct 2 ms 344 KB Output is correct
38 Correct 2 ms 596 KB Output is correct
39 Correct 2 ms 344 KB Output is correct
40 Correct 2 ms 344 KB Output is correct
41 Correct 3 ms 344 KB Output is correct
42 Correct 3 ms 348 KB Output is correct
43 Correct 2 ms 344 KB Output is correct
44 Correct 3 ms 344 KB Output is correct
45 Correct 3 ms 344 KB Output is correct
46 Correct 3 ms 344 KB Output is correct
47 Correct 3 ms 344 KB Output is correct
48 Correct 2 ms 352 KB Output is correct
49 Correct 2 ms 352 KB Output is correct
50 Correct 3 ms 344 KB Output is correct
51 Correct 3 ms 344 KB Output is correct
52 Correct 2 ms 596 KB Output is correct
53 Correct 3 ms 344 KB Output is correct
54 Correct 3 ms 344 KB Output is correct
55 Correct 2 ms 344 KB Output is correct
56 Correct 3 ms 344 KB Output is correct
57 Correct 2 ms 344 KB Output is correct
58 Correct 2 ms 344 KB Output is correct
59 Correct 2 ms 596 KB Output is correct
60 Correct 3 ms 344 KB Output is correct
61 Correct 3 ms 416 KB Output is correct
62 Correct 3 ms 352 KB Output is correct
63 Correct 3 ms 352 KB Output is correct
64 Correct 2 ms 356 KB Output is correct
65 Correct 2 ms 608 KB Output is correct
66 Correct 2 ms 356 KB Output is correct
67 Correct 2 ms 356 KB Output is correct
68 Correct 2 ms 356 KB Output is correct
69 Correct 2 ms 356 KB Output is correct
70 Correct 2 ms 352 KB Output is correct
71 Correct 3 ms 352 KB Output is correct
72 Correct 2 ms 356 KB Output is correct
73 Correct 2 ms 356 KB Output is correct
74 Correct 2 ms 352 KB Output is correct
75 Correct 2 ms 356 KB Output is correct
76 Correct 3 ms 352 KB Output is correct
77 Correct 2 ms 508 KB Output is correct
78 Correct 3 ms 848 KB Output is correct
79 Correct 2 ms 352 KB Output is correct
80 Correct 2 ms 500 KB Output is correct
81 Correct 2 ms 344 KB Output is correct
82 Correct 4 ms 344 KB Output is correct
83 Correct 2 ms 344 KB Output is correct
84 Correct 3 ms 492 KB Output is correct
85 Correct 3 ms 344 KB Output is correct
86 Correct 3 ms 344 KB Output is correct
87 Correct 2 ms 344 KB Output is correct
88 Correct 3 ms 408 KB Output is correct
89 Correct 3 ms 344 KB Output is correct
90 Correct 2 ms 344 KB Output is correct
91 Correct 2 ms 344 KB Output is correct
92 Correct 3 ms 492 KB Output is correct
93 Correct 3 ms 344 KB Output is correct
94 Correct 3 ms 344 KB Output is correct
95 Correct 2 ms 344 KB Output is correct
96 Correct 3 ms 344 KB Output is correct
97 Correct 3 ms 344 KB Output is correct
98 Correct 2 ms 344 KB Output is correct
99 Correct 2 ms 344 KB Output is correct
100 Correct 3 ms 344 KB Output is correct