#include "interactive.h"
#include <bits/stdc++.h>
using namespace std;
void sub(vector<int> &a, vector<int> b) {
for (int x : b) {
a.erase(find(a.begin(), a.end(), x));
}
}
vector<int> qry(vector<int> cnd) {
vector<int> a = cnd;
a.push_back(1);
a = get_pairwise_xor(a);
sub(a, get_pairwise_xor(cnd));
a.erase(find(a.begin(), a.end(), 0));
vector<int> nw;
for (int i = 0; i < a.size(); i += 2) {
nw.push_back(a[i]);
}
a.swap(nw);
return a;
}
vector<int> cmb(vector<int> a, vector<int> b) {
vector<int> res;
for (int x : a) {
auto it = find(b.begin(), b.end(), x);
if (it != b.end()) {
res.push_back(x);
b.erase(it);
}
}
return res;
}
vector<int> guess(int n) {
vector<int> a(n);
a[0] = ask(1);
int lg = __lg(n);
vector<vector<int>> s(lg + 1);
for (int j = 0; j <= lg; ++j) {
vector<int> cnd;
for (int i = 2; i <= n; ++i) {
if (i >> j & 1) {
cnd.push_back(i);
}
}
s[j] = qry(cnd);
}
for (int i = n; i > 1; --i) {
vector<int> b;
for (int j = 0; j <= lg; ++j) {
if (i >> j & 1) {
if (!b.size()) {
b = s[j];
} else {
b = cmb(b, s[j]);
}
}
}
for (int j = 0; j <= lg; ++j) {
if (i >> j & 1) {
s[j].erase(find(s[j].begin(), s[j].end(), b[0]));
}
}
a[i - 1] = b[0] ^ a[0];
}
return a;
}
Compilation message
Xoractive.cpp: In function 'std::vector<int> qry(std::vector<int>)':
Xoractive.cpp:20:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | for (int i = 0; i < a.size(); i += 2) {
| ~~^~~~~~~~~~
| # |
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 |
344 KB |
Output is correct |
| 2 |
Correct |
3 ms |
344 KB |
Output is correct |
| 3 |
Correct |
2 ms |
468 KB |
Output is correct |
| 4 |
Correct |
3 ms |
344 KB |
Output is correct |
| 5 |
Correct |
3 ms |
344 KB |
Output is correct |
| 6 |
Correct |
3 ms |
344 KB |
Output is correct |
| 7 |
Correct |
3 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 |
468 KB |
Output is correct |
| 11 |
Correct |
3 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 |
3 ms |
344 KB |
Output is correct |
| 16 |
Correct |
3 ms |
596 KB |
Output is correct |
| 17 |
Correct |
3 ms |
472 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 |
468 KB |
Output is correct |
| 25 |
Correct |
3 ms |
596 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 |
344 KB |
Output is correct |
| 35 |
Correct |
3 ms |
344 KB |
Output is correct |
| 36 |
Correct |
3 ms |
344 KB |
Output is correct |
| 37 |
Correct |
3 ms |
340 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 |
3 ms |
420 KB |
Output is correct |
| 46 |
Correct |
3 ms |
344 KB |
Output is correct |
| 47 |
Correct |
2 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 |
2 ms |
464 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 |
472 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 |
3 ms |
344 KB |
Output is correct |
| 61 |
Correct |
3 ms |
476 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 |
3 ms |
476 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 |
344 KB |
Output is correct |
| 71 |
Correct |
3 ms |
344 KB |
Output is correct |
| 72 |
Correct |
3 ms |
472 KB |
Output is correct |
| 73 |
Correct |
3 ms |
344 KB |
Output is correct |
| 74 |
Correct |
3 ms |
344 KB |
Output is correct |
| 75 |
Correct |
3 ms |
468 KB |
Output is correct |
| 76 |
Correct |
3 ms |
468 KB |
Output is correct |
| 77 |
Correct |
3 ms |
472 KB |
Output is correct |
| 78 |
Correct |
3 ms |
476 KB |
Output is correct |
| 79 |
Correct |
2 ms |
344 KB |
Output is correct |
| 80 |
Correct |
3 ms |
472 KB |
Output is correct |
| 81 |
Correct |
4 ms |
344 KB |
Output is correct |
| 82 |
Correct |
4 ms |
344 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 |
344 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 |
472 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 |
