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Submission #226210

# Submission time Handle Problem Language Result Execution time Memory
226210 2020-04-22T22:14:59 Z zoooma13 Xoractive (IZhO19_xoractive) C++14
100 / 100
 9 ms 640 KB 
#include "bits/stdc++.h"
#include "interactive.h"
using namespace std;

vector<int> guess(int n){
    if(n == 2)
        return {ask(1) ,ask(2)};

    vector <int> ans(n); ans[0] = ask(1);
    map <int ,int> pos;

    int lg2 = 31-__builtin_clz(n);
    for(int b=0; b<=lg2; b++){
        vector <int> ids{1};
        for(int i=2; i<=n; i++)
            if(i&(1<<b))
                ids.push_back(i);

        auto vv = get_pairwise_xor(ids);
        multiset <int> vals = multiset<int>{vv.begin() ,vv.end()};
        ids.erase(ids.begin());
        for(int r : get_pairwise_xor(ids))
            vals.erase(vals.find(r));
        vals.erase(0);
        for(int r : vals)
            pos[r^ans[0]] |= (1<<b);
    }

    for(auto&p : pos)
        ans[p.second-1] = p.first;
    return ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 512 KB Output is correct
2 Correct 8 ms 512 KB Output is correct
3 Correct 8 ms 512 KB Output is correct
4 Correct 8 ms 512 KB Output is correct
5 Correct 8 ms 512 KB Output is correct
6 Correct 8 ms 384 KB Output is correct
7 Correct 8 ms 512 KB Output is correct
8 Correct 8 ms 512 KB Output is correct
9 Correct 8 ms 512 KB Output is correct
10 Correct 8 ms 512 KB Output is correct
11 Correct 8 ms 512 KB Output is correct
12 Correct 8 ms 512 KB Output is correct
13 Correct 8 ms 512 KB Output is correct
14 Correct 8 ms 512 KB Output is correct
15 Correct 8 ms 512 KB Output is correct
16 Correct 8 ms 512 KB Output is correct
17 Correct 8 ms 512 KB Output is correct
18 Correct 8 ms 512 KB Output is correct
19 Correct 8 ms 512 KB Output is correct
20 Correct 9 ms 512 KB Output is correct
21 Correct 8 ms 512 KB Output is correct
22 Correct 8 ms 512 KB Output is correct
23 Correct 8 ms 512 KB Output is correct
24 Correct 9 ms 512 KB Output is correct
25 Correct 9 ms 512 KB Output is correct
26 Correct 8 ms 512 KB Output is correct
27 Correct 8 ms 640 KB Output is correct
28 Correct 8 ms 512 KB Output is correct
29 Correct 8 ms 512 KB Output is correct
30 Correct 8 ms 512 KB Output is correct
31 Correct 8 ms 512 KB Output is correct
32 Correct 8 ms 512 KB Output is correct
33 Correct 8 ms 512 KB Output is correct
34 Correct 8 ms 512 KB Output is correct
35 Correct 8 ms 512 KB Output is correct
36 Correct 8 ms 512 KB Output is correct
37 Correct 8 ms 512 KB Output is correct
38 Correct 8 ms 512 KB Output is correct
39 Correct 8 ms 512 KB Output is correct
40 Correct 8 ms 512 KB Output is correct
41 Correct 8 ms 512 KB Output is correct
42 Correct 8 ms 512 KB Output is correct
43 Correct 8 ms 512 KB Output is correct
44 Correct 8 ms 512 KB Output is correct
45 Correct 8 ms 512 KB Output is correct
46 Correct 8 ms 512 KB Output is correct
47 Correct 9 ms 512 KB Output is correct
48 Correct 9 ms 512 KB Output is correct
49 Correct 8 ms 512 KB Output is correct
50 Correct 8 ms 512 KB Output is correct
51 Correct 8 ms 512 KB Output is correct
52 Correct 9 ms 512 KB Output is correct
53 Correct 8 ms 512 KB Output is correct
54 Correct 9 ms 512 KB Output is correct
55 Correct 8 ms 512 KB Output is correct
56 Correct 8 ms 512 KB Output is correct
57 Correct 8 ms 540 KB Output is correct
58 Correct 8 ms 512 KB Output is correct
59 Correct 8 ms 512 KB Output is correct
60 Correct 8 ms 512 KB Output is correct
61 Correct 8 ms 512 KB Output is correct
62 Correct 8 ms 512 KB Output is correct
63 Correct 7 ms 512 KB Output is correct
64 Correct 8 ms 512 KB Output is correct
65 Correct 8 ms 512 KB Output is correct
66 Correct 9 ms 512 KB Output is correct
67 Correct 7 ms 512 KB Output is correct
68 Correct 8 ms 512 KB Output is correct
69 Correct 8 ms 512 KB Output is correct
70 Correct 8 ms 512 KB Output is correct
71 Correct 8 ms 512 KB Output is correct
72 Correct 8 ms 512 KB Output is correct
73 Correct 9 ms 512 KB Output is correct
74 Correct 8 ms 512 KB Output is correct
75 Correct 8 ms 512 KB Output is correct
76 Correct 8 ms 512 KB Output is correct
77 Correct 8 ms 536 KB Output is correct
78 Correct 8 ms 512 KB Output is correct
79 Correct 8 ms 512 KB Output is correct
80 Correct 8 ms 512 KB Output is correct
81 Correct 8 ms 564 KB Output is correct
82 Correct 8 ms 512 KB Output is correct
83 Correct 8 ms 512 KB Output is correct
84 Correct 8 ms 512 KB Output is correct
85 Correct 8 ms 512 KB Output is correct
86 Correct 8 ms 512 KB Output is correct
87 Correct 8 ms 512 KB Output is correct
88 Correct 8 ms 512 KB Output is correct
89 Correct 8 ms 512 KB Output is correct
90 Correct 8 ms 512 KB Output is correct
91 Correct 8 ms 512 KB Output is correct
92 Correct 8 ms 512 KB Output is correct
93 Correct 8 ms 512 KB Output is correct
94 Correct 8 ms 512 KB Output is correct
95 Correct 7 ms 512 KB Output is correct
96 Correct 8 ms 512 KB Output is correct
97 Correct 8 ms 512 KB Output is correct
98 Correct 8 ms 512 KB Output is correct
99 Correct 7 ms 512 KB Output is correct
100 Correct 8 ms 488 KB Output is correct