#include "interactive.h"
#include <bits/stdc++.h>
using namespace std;
template<typename T>
using vec = vector<T>;
#define bit(x, i) ((x >> i) & 1)
vector<int> guess(int n) {
vector<int> ans(n);
ans[0] = ask(1);
map<int, int> ans_map;
ans_map[ans[0]] = 0;
for (int b = 10; b >= 0; b--) {
vec<int> ids;
for (int i = 1; i < n; i++)
if (bit(i, b)) ids.push_back(i + 1);
if (ids.empty()) continue;
auto xors1 = get_pairwise_xor(ids);
ids.push_back(1);
auto xors2 = get_pairwise_xor(ids);
// find diff
multiset<int> xors1_ms(xors1.begin(), xors1.end());
vec<int> diff;
for (int i: xors2) {
if (xors1_ms.count(i) == 0) {
diff.push_back(i);
} else {
xors1_ms.erase(xors1_ms.find(i));
}
}
sort(diff.begin(), diff.end());
// unique(diff.begin(), diff.end());
diff.erase(unique(diff.begin(), diff.end()), diff.end());
for (int i = 1; i < diff.size(); i++) {
int vl = diff[i] ^ ans[0];
if (ans_map.count(vl) == 0) {
ans_map[vl] = 0;
}
ans_map[vl] += 1 << b;
}
}
for (auto &p: ans_map) {
ans[p.second] = p.first;
}
return ans;
}
Compilation message
Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:36:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
36 | for (int i = 1; i < diff.size(); i++) {
| ~~^~~~~~~~~~~~~
# |
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 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
576 KB |
Output is correct |
2 |
Correct |
3 ms |
344 KB |
Output is correct |
3 |
Correct |
3 ms |
344 KB |
Output is correct |
4 |
Correct |
3 ms |
344 KB |
Output is correct |
5 |
Correct |
3 ms |
572 KB |
Output is correct |
6 |
Correct |
4 ms |
576 KB |
Output is correct |
7 |
Correct |
3 ms |
344 KB |
Output is correct |
8 |
Correct |
3 ms |
576 KB |
Output is correct |
9 |
Correct |
3 ms |
344 KB |
Output is correct |
10 |
Correct |
3 ms |
344 KB |
Output is correct |
11 |
Correct |
3 ms |
596 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 |
3 ms |
576 KB |
Output is correct |
16 |
Correct |
3 ms |
344 KB |
Output is correct |
17 |
Correct |
3 ms |
344 KB |
Output is correct |
18 |
Correct |
3 ms |
344 KB |
Output is correct |
19 |
Correct |
3 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 |
3 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 |
344 KB |
Output is correct |
27 |
Correct |
3 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 |
3 ms |
344 KB |
Output is correct |
31 |
Correct |
3 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 |
572 KB |
Output is correct |
35 |
Correct |
4 ms |
344 KB |
Output is correct |
36 |
Correct |
3 ms |
500 KB |
Output is correct |
37 |
Correct |
3 ms |
344 KB |
Output is correct |
38 |
Correct |
3 ms |
344 KB |
Output is correct |
39 |
Correct |
3 ms |
344 KB |
Output is correct |
40 |
Correct |
3 ms |
344 KB |
Output is correct |
41 |
Correct |
3 ms |
344 KB |
Output is correct |
42 |
Correct |
3 ms |
344 KB |
Output is correct |
43 |
Correct |
3 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 |
344 KB |
Output is correct |
47 |
Correct |
3 ms |
344 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 |
3 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 |
4 ms |
344 KB |
Output is correct |
55 |
Correct |
3 ms |
344 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 |
3 ms |
344 KB |
Output is correct |
60 |
Correct |
4 ms |
500 KB |
Output is correct |
61 |
Correct |
3 ms |
344 KB |
Output is correct |
62 |
Correct |
3 ms |
344 KB |
Output is correct |
63 |
Correct |
4 ms |
344 KB |
Output is correct |
64 |
Correct |
3 ms |
344 KB |
Output is correct |
65 |
Correct |
3 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 |
3 ms |
344 KB |
Output is correct |
70 |
Correct |
3 ms |
572 KB |
Output is correct |
71 |
Correct |
3 ms |
344 KB |
Output is correct |
72 |
Correct |
3 ms |
344 KB |
Output is correct |
73 |
Correct |
3 ms |
344 KB |
Output is correct |
74 |
Correct |
4 ms |
344 KB |
Output is correct |
75 |
Correct |
3 ms |
344 KB |
Output is correct |
76 |
Correct |
3 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 |
3 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 |
576 KB |
Output is correct |
83 |
Correct |
3 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 |
3 ms |
344 KB |
Output is correct |
92 |
Correct |
3 ms |
596 KB |
Output is correct |
93 |
Correct |
3 ms |
352 KB |
Output is correct |
94 |
Correct |
3 ms |
344 KB |
Output is correct |
95 |
Correct |
3 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 |
3 ms |
344 KB |
Output is correct |
100 |
Correct |
3 ms |
344 KB |
Output is correct |