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Submission #208355

# Submission time Handle Problem Language Result Execution time Memory
208355 2020-03-10T22:40:41 Z MetB Xoractive (IZhO19_xoractive) C++14
100 / 100
 42 ms 504 KB 
#include "interactive.h"
#include <bits/stdc++.h>

using namespace std;
 
vector <int> guess (int n) {
    map <int, int> ind;
    int d = ask (1);
 
    for (int b = 0; b < 7; b++) {
        vector <int> v;
 
        for (int i = 0; i < n; i++) {
            if (i & (1 << b)) v.push_back (i + 1);
        }
 
        if (v.empty ()) break;
        vector <int> ans = get_pairwise_xor (v);
        v.push_back (1);
        vector <int> ans2 = get_pairwise_xor (v);
 
        for (int a : ans)
            ans2.erase (find (ans2.begin (), ans2.end (), a));
 
        sort (ans2.begin(), ans2.end());
 
        for (int i = 1; i < ans2.size (); i += 2) {
            ind[ans2[i] ^ d] |= (1 << b);
        }
    }
 
    vector <int> ans (n);
 
    ans[0] = d;
 
    for (auto x : ind) {
        ans[x.second] = x.first;
    }
 
    return ans;
}

Compilation message

Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:27:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 1; i < ans2.size (); i += 2) {
                         ~~^~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 248 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 248 KB Output is correct
4 Correct 5 ms 376 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 248 KB Output is correct
2 Correct 38 ms 452 KB Output is correct
3 Correct 38 ms 376 KB Output is correct
4 Correct 39 ms 376 KB Output is correct
5 Correct 38 ms 376 KB Output is correct
6 Correct 38 ms 376 KB Output is correct
7 Correct 38 ms 376 KB Output is correct
8 Correct 36 ms 376 KB Output is correct
9 Correct 41 ms 368 KB Output is correct
10 Correct 36 ms 368 KB Output is correct
11 Correct 42 ms 248 KB Output is correct
12 Correct 36 ms 376 KB Output is correct
13 Correct 36 ms 376 KB Output is correct
14 Correct 39 ms 380 KB Output is correct
15 Correct 40 ms 248 KB Output is correct
16 Correct 40 ms 248 KB Output is correct
17 Correct 38 ms 248 KB Output is correct
18 Correct 37 ms 504 KB Output is correct
19 Correct 36 ms 248 KB Output is correct
20 Correct 38 ms 372 KB Output is correct
21 Correct 40 ms 248 KB Output is correct
22 Correct 38 ms 248 KB Output is correct
23 Correct 39 ms 248 KB Output is correct
24 Correct 39 ms 248 KB Output is correct
25 Correct 37 ms 376 KB Output is correct
26 Correct 36 ms 248 KB Output is correct
27 Correct 39 ms 248 KB Output is correct
28 Correct 37 ms 248 KB Output is correct
29 Correct 39 ms 376 KB Output is correct
30 Correct 37 ms 252 KB Output is correct
31 Correct 42 ms 248 KB Output is correct
32 Correct 38 ms 368 KB Output is correct
33 Correct 38 ms 248 KB Output is correct
34 Correct 38 ms 248 KB Output is correct
35 Correct 41 ms 252 KB Output is correct
36 Correct 39 ms 248 KB Output is correct
37 Correct 40 ms 368 KB Output is correct
38 Correct 37 ms 376 KB Output is correct
39 Correct 38 ms 248 KB Output is correct
40 Correct 38 ms 376 KB Output is correct
41 Correct 37 ms 248 KB Output is correct
42 Correct 38 ms 352 KB Output is correct
43 Correct 38 ms 376 KB Output is correct
44 Correct 36 ms 248 KB Output is correct
45 Correct 41 ms 376 KB Output is correct
46 Correct 37 ms 248 KB Output is correct
47 Correct 37 ms 376 KB Output is correct
48 Correct 37 ms 380 KB Output is correct
49 Correct 37 ms 376 KB Output is correct
50 Correct 36 ms 248 KB Output is correct
51 Correct 38 ms 352 KB Output is correct
52 Correct 37 ms 248 KB Output is correct
53 Correct 40 ms 432 KB Output is correct
54 Correct 38 ms 248 KB Output is correct
55 Correct 37 ms 248 KB Output is correct
56 Correct 40 ms 380 KB Output is correct
57 Correct 40 ms 372 KB Output is correct
58 Correct 38 ms 372 KB Output is correct
59 Correct 42 ms 376 KB Output is correct
60 Correct 36 ms 248 KB Output is correct
61 Correct 36 ms 376 KB Output is correct
62 Correct 42 ms 504 KB Output is correct
63 Correct 37 ms 352 KB Output is correct
64 Correct 37 ms 248 KB Output is correct
65 Correct 39 ms 376 KB Output is correct
66 Correct 37 ms 376 KB Output is correct
67 Correct 37 ms 248 KB Output is correct
68 Correct 37 ms 376 KB Output is correct
69 Correct 37 ms 376 KB Output is correct
70 Correct 36 ms 248 KB Output is correct
71 Correct 38 ms 248 KB Output is correct
72 Correct 37 ms 248 KB Output is correct
73 Correct 38 ms 248 KB Output is correct
74 Correct 35 ms 376 KB Output is correct
75 Correct 39 ms 248 KB Output is correct
76 Correct 40 ms 248 KB Output is correct
77 Correct 37 ms 248 KB Output is correct
78 Correct 36 ms 248 KB Output is correct
79 Correct 35 ms 376 KB Output is correct
80 Correct 38 ms 376 KB Output is correct
81 Correct 39 ms 376 KB Output is correct
82 Correct 36 ms 248 KB Output is correct
83 Correct 36 ms 248 KB Output is correct
84 Correct 39 ms 248 KB Output is correct
85 Correct 39 ms 376 KB Output is correct
86 Correct 40 ms 252 KB Output is correct
87 Correct 40 ms 248 KB Output is correct
88 Correct 40 ms 376 KB Output is correct
89 Correct 37 ms 248 KB Output is correct
90 Correct 35 ms 248 KB Output is correct
91 Correct 42 ms 376 KB Output is correct
92 Correct 36 ms 252 KB Output is correct
93 Correct 38 ms 248 KB Output is correct
94 Correct 37 ms 248 KB Output is correct
95 Correct 36 ms 376 KB Output is correct
96 Correct 38 ms 248 KB Output is correct
97 Correct 40 ms 504 KB Output is correct
98 Correct 36 ms 252 KB Output is correct
99 Correct 39 ms 248 KB Output is correct
100 Correct 40 ms 376 KB Output is correct