oj.uz

Submission #862678

# Submission time Handle Problem Language Result Execution time Memory
862678 2023-10-18T19:52:24 Z Dec0Dedd Xoractive (IZhO19_xoractive) C++14
100 / 100
 5 ms 600 KB 
#include <bits/stdc++.h>
#include "interactive.h"

using namespace std;

int msb(int n) {
    if (n == 0) return -1;

    int k=0; n/=2;
    while (n != 0) ++k, n/=2;
    return k;
}

vector<int> guess(int n) {
    vector<int> ans(n);

    ans[0]=ask(1);
    map<int, bool> cnt[15];
    for (int i=0; (1<<i)<=n; ++i) {
        vector<int> x;
        for (int j=2; j<=n; ++j) {
            if (j&(1<<i)) x.push_back(j);
        }

        auto lf=get_pairwise_xor(x);
        x.push_back(1);
        auto rf=get_pairwise_xor(x);

        map<int, int> mp; --mp[0];
        for (auto u : lf) --mp[u];
        for (auto u : rf) ++mp[u];
        for (auto u : mp) {
            if (u.second > 0) cnt[i][u.first^ans[0]]=1;
        }
    }

    for (int i=2; i<=n; ++i) {
        int m=msb(i);

        for (auto u : cnt[m]) {
            if (u.second == 0) continue; 
            bool ok=true;

            for (int j=0; (1<<j)<=n; ++j) {
                if (i&(1<<j)) {
                    if (cnt[j][u.first] == 0) ok=false;
                } else {
                    if (cnt[j][u.first] > 0) ok=false;
                }
            }

            if (ok) {
                ans[i-1]=u.first;
                break;
            }
        }
    }

    return ans;
}

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 600 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 344 KB Output is correct
2 Correct 3 ms 520 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 5 ms 592 KB Output is correct
5 Correct 4 ms 344 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 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 3 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 3 ms 528 KB Output is correct
18 Correct 3 ms 528 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 3 ms 344 KB Output is correct
23 Correct 2 ms 344 KB Output is correct
24 Correct 3 ms 344 KB Output is correct
25 Correct 3 ms 344 KB Output is correct
26 Correct 3 ms 528 KB Output is correct
27 Correct 2 ms 344 KB Output is correct
28 Correct 3 ms 344 KB Output is correct
29 Correct 3 ms 344 KB Output is correct
30 Correct 4 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 4 ms 344 KB Output is correct
34 Correct 3 ms 344 KB Output is correct
35 Correct 2 ms 348 KB Output is correct
36 Correct 3 ms 544 KB Output is correct
37 Correct 3 ms 344 KB Output is correct
38 Correct 3 ms 344 KB Output is correct
39 Correct 2 ms 344 KB Output is correct
40 Correct 3 ms 340 KB Output is correct
41 Correct 3 ms 344 KB Output is correct
42 Correct 3 ms 520 KB Output is correct
43 Correct 2 ms 344 KB Output is correct
44 Correct 3 ms 344 KB Output is correct
45 Correct 4 ms 344 KB Output is correct
46 Correct 3 ms 596 KB Output is correct
47 Correct 2 ms 480 KB Output is correct
48 Correct 3 ms 344 KB Output is correct
49 Correct 3 ms 344 KB Output is correct
50 Correct 3 ms 344 KB Output is correct
51 Correct 2 ms 344 KB Output is correct
52 Correct 3 ms 344 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 484 KB Output is correct
56 Correct 3 ms 344 KB Output is correct
57 Correct 3 ms 344 KB Output is correct
58 Correct 3 ms 344 KB Output is correct
59 Correct 2 ms 344 KB Output is correct
60 Correct 3 ms 344 KB Output is correct
61 Correct 3 ms 344 KB Output is correct
62 Correct 3 ms 344 KB Output is correct
63 Correct 2 ms 344 KB Output is correct
64 Correct 3 ms 344 KB Output is correct
65 Correct 4 ms 344 KB Output is correct
66 Correct 3 ms 344 KB Output is correct
67 Correct 3 ms 344 KB Output is correct
68 Correct 3 ms 344 KB Output is correct
69 Correct 4 ms 344 KB Output is correct
70 Correct 3 ms 344 KB Output is correct
71 Correct 2 ms 496 KB Output is correct
72 Correct 3 ms 344 KB Output is correct
73 Correct 3 ms 344 KB Output is correct
74 Correct 3 ms 344 KB Output is correct
75 Correct 2 ms 340 KB Output is correct
76 Correct 4 ms 344 KB Output is correct
77 Correct 3 ms 344 KB Output is correct
78 Correct 3 ms 344 KB Output is correct
79 Correct 2 ms 344 KB Output is correct
80 Correct 3 ms 344 KB Output is correct
81 Correct 3 ms 344 KB Output is correct
82 Correct 3 ms 344 KB Output is correct
83 Correct 2 ms 344 KB Output is correct
84 Correct 3 ms 344 KB Output is correct
85 Correct 3 ms 344 KB Output is correct
86 Correct 3 ms 344 KB Output is correct
87 Correct 3 ms 344 KB Output is correct
88 Correct 3 ms 344 KB Output is correct
89 Correct 3 ms 344 KB Output is correct
90 Correct 3 ms 344 KB Output is correct
91 Correct 2 ms 344 KB Output is correct
92 Correct 3 ms 528 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 3 ms 344 KB Output is correct
99 Correct 2 ms 372 KB Output is correct
100 Correct 3 ms 344 KB Output is correct