#include "interactive.h"
#include <bits/stdc++.h>
#define all(x) begin(x), end(x)
using namespace std;
int first = -1;
vector<int> getNums(vector<int> a) {
vector<int> q(a.size()+1);
for (int i = 0; i < a.size(); i++) {
q[i] = a[i]+1;
}
q[a.size()] = 1;
vector<int> tot = get_pairwise_xor(q);
q.resize(a.size());
vector<int> own = get_pairwise_xor(q);
vector<int> res(2*a.size()+1);
set_difference(all(tot), all(own), res.begin());
sort(res.begin(), res.end());
res.resize(unique(res.begin(), res.end())-res.begin());
assert(res.size() == a.size()+1 && res[0] == 0);
vector<int> ret(a.size());
for (int i = 1; i < res.size(); i++) {
ret[i-1] = res[i]^first;
}
sort(all(ret));
return ret;
}
vector<int> guess(int n) {
vector <int> ans(n);
// if (n <= 15) {
// for (int i = 0; i < n; i++) {
// ans[i] = ask(i+1);
// }
// return ans;
// }
first = ask(1);
ans[0] = first;
vector<int> av(n-1);
for (int i = 1; i < n; i++) {
av[i-1] = i;
}
vector<vector<int>> on(7);
vector<vector<int>> off(7, vector<int>(n));
for (int i = 0; i < 7; i++) {
vector<int> prep;
for (int j = 0; j < n; j++) {
if ((1<<i)&j) {
prep.push_back(j);
}
}
if (prep.size() != 0) {
on[i] = getNums(prep);
}
}
vector<int> c;
vector<int> tot;
for (int i = 0; i < 7; i++) {
c.resize(n);
c.resize(set_union(all(tot), all(on[i]), c.begin())-c.begin());
tot = c;
}
for (int i = 0; i < 7; i++) {
off[i].resize(set_difference(all(tot), all(on[i]), off[i].begin())-off[i].begin());
}
for (int i = 1; i < n; i++) {
vector<int> cur(tot.size());
copy(all(tot), cur.begin());
for (int b = 0; b < 7; b++) {
vector<int>& nxt = (((1<<b)&i) ? on[b] : off[b]);
cur.resize(set_intersection(all(cur), all(nxt), cur.begin())-cur.begin());
}
assert(cur.size() == 1);
ans[i] = cur[0];
}
return ans;
}
Compilation message
Xoractive.cpp: In function 'std::vector<int> getNums(std::vector<int>)':
Xoractive.cpp:9:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
9 | for (int i = 0; i < a.size(); i++) {
| ~~^~~~~~~~~~
Xoractive.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
23 | for (int i = 1; i < res.size(); i++) {
| ~~^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
0 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
364 KB |
Output is correct |
3 |
Correct |
2 ms |
364 KB |
Output is correct |
4 |
Correct |
2 ms |
364 KB |
Output is correct |
5 |
Correct |
3 ms |
364 KB |
Output is correct |
6 |
Correct |
2 ms |
364 KB |
Output is correct |
7 |
Correct |
2 ms |
364 KB |
Output is correct |
8 |
Correct |
2 ms |
364 KB |
Output is correct |
9 |
Correct |
3 ms |
364 KB |
Output is correct |
10 |
Correct |
2 ms |
364 KB |
Output is correct |
11 |
Correct |
2 ms |
364 KB |
Output is correct |
12 |
Correct |
3 ms |
364 KB |
Output is correct |
13 |
Correct |
2 ms |
364 KB |
Output is correct |
14 |
Correct |
2 ms |
364 KB |
Output is correct |
15 |
Correct |
2 ms |
364 KB |
Output is correct |
16 |
Correct |
3 ms |
364 KB |
Output is correct |
17 |
Correct |
2 ms |
364 KB |
Output is correct |
18 |
Correct |
2 ms |
492 KB |
Output is correct |
19 |
Correct |
2 ms |
364 KB |
Output is correct |
20 |
Correct |
3 ms |
364 KB |
Output is correct |
21 |
Correct |
3 ms |
364 KB |
Output is correct |
22 |
Correct |
3 ms |
364 KB |
Output is correct |
23 |
Correct |
3 ms |
364 KB |
Output is correct |
24 |
Correct |
2 ms |
364 KB |
Output is correct |
25 |
Correct |
2 ms |
364 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
364 KB |
Output is correct |
28 |
Correct |
2 ms |
364 KB |
Output is correct |
29 |
Correct |
3 ms |
364 KB |
Output is correct |
30 |
Correct |
2 ms |
364 KB |
Output is correct |
31 |
Correct |
2 ms |
364 KB |
Output is correct |
32 |
Correct |
4 ms |
364 KB |
Output is correct |
33 |
Correct |
3 ms |
364 KB |
Output is correct |
34 |
Correct |
2 ms |
364 KB |
Output is correct |
35 |
Correct |
2 ms |
364 KB |
Output is correct |
36 |
Correct |
2 ms |
364 KB |
Output is correct |
37 |
Correct |
2 ms |
364 KB |
Output is correct |
38 |
Correct |
2 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
364 KB |
Output is correct |
40 |
Correct |
3 ms |
364 KB |
Output is correct |
41 |
Correct |
3 ms |
364 KB |
Output is correct |
42 |
Correct |
3 ms |
364 KB |
Output is correct |
43 |
Correct |
2 ms |
364 KB |
Output is correct |
44 |
Correct |
2 ms |
364 KB |
Output is correct |
45 |
Correct |
2 ms |
364 KB |
Output is correct |
46 |
Correct |
2 ms |
364 KB |
Output is correct |
47 |
Correct |
2 ms |
364 KB |
Output is correct |
48 |
Correct |
4 ms |
364 KB |
Output is correct |
49 |
Correct |
3 ms |
512 KB |
Output is correct |
50 |
Correct |
3 ms |
492 KB |
Output is correct |
51 |
Correct |
2 ms |
364 KB |
Output is correct |
52 |
Correct |
2 ms |
364 KB |
Output is correct |
53 |
Correct |
2 ms |
364 KB |
Output is correct |
54 |
Correct |
2 ms |
364 KB |
Output is correct |
55 |
Correct |
3 ms |
364 KB |
Output is correct |
56 |
Correct |
2 ms |
364 KB |
Output is correct |
57 |
Correct |
2 ms |
364 KB |
Output is correct |
58 |
Correct |
2 ms |
364 KB |
Output is correct |
59 |
Correct |
2 ms |
364 KB |
Output is correct |
60 |
Correct |
3 ms |
384 KB |
Output is correct |
61 |
Correct |
2 ms |
364 KB |
Output is correct |
62 |
Correct |
2 ms |
364 KB |
Output is correct |
63 |
Correct |
2 ms |
364 KB |
Output is correct |
64 |
Correct |
3 ms |
364 KB |
Output is correct |
65 |
Correct |
3 ms |
364 KB |
Output is correct |
66 |
Correct |
2 ms |
384 KB |
Output is correct |
67 |
Correct |
2 ms |
364 KB |
Output is correct |
68 |
Correct |
2 ms |
364 KB |
Output is correct |
69 |
Correct |
2 ms |
364 KB |
Output is correct |
70 |
Correct |
2 ms |
364 KB |
Output is correct |
71 |
Correct |
2 ms |
364 KB |
Output is correct |
72 |
Correct |
3 ms |
364 KB |
Output is correct |
73 |
Correct |
3 ms |
364 KB |
Output is correct |
74 |
Correct |
3 ms |
364 KB |
Output is correct |
75 |
Correct |
2 ms |
364 KB |
Output is correct |
76 |
Correct |
3 ms |
364 KB |
Output is correct |
77 |
Correct |
2 ms |
364 KB |
Output is correct |
78 |
Correct |
2 ms |
364 KB |
Output is correct |
79 |
Correct |
3 ms |
364 KB |
Output is correct |
80 |
Correct |
2 ms |
364 KB |
Output is correct |
81 |
Correct |
2 ms |
364 KB |
Output is correct |
82 |
Correct |
2 ms |
364 KB |
Output is correct |
83 |
Correct |
2 ms |
364 KB |
Output is correct |
84 |
Correct |
3 ms |
364 KB |
Output is correct |
85 |
Correct |
2 ms |
364 KB |
Output is correct |
86 |
Correct |
3 ms |
364 KB |
Output is correct |
87 |
Correct |
3 ms |
364 KB |
Output is correct |
88 |
Correct |
2 ms |
364 KB |
Output is correct |
89 |
Correct |
2 ms |
364 KB |
Output is correct |
90 |
Correct |
2 ms |
364 KB |
Output is correct |
91 |
Correct |
2 ms |
364 KB |
Output is correct |
92 |
Correct |
2 ms |
364 KB |
Output is correct |
93 |
Correct |
2 ms |
364 KB |
Output is correct |
94 |
Correct |
2 ms |
384 KB |
Output is correct |
95 |
Correct |
2 ms |
364 KB |
Output is correct |
96 |
Correct |
2 ms |
364 KB |
Output is correct |
97 |
Correct |
2 ms |
364 KB |
Output is correct |
98 |
Correct |
2 ms |
364 KB |
Output is correct |
99 |
Correct |
2 ms |
364 KB |
Output is correct |
100 |
Correct |
3 ms |
384 KB |
Output is correct |