#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T> void debug(T L, T R) { while (L != R) cerr << *L << " \n"[next(L) == R], ++L; }
#else
#define DE(...) 0
#define debug(...) 0
#endif
#include "interactive.h"
const int MAX_N = 18;
vector<int> operator +(vector<int> a, vector<int> b) { a.insert(end(a), AI(b)); return a; }
vector<int> operator &(vector<int> a, vector<int> b) {
map<int,int> cnt;
for (auto i : a) ++cnt[i];
vector<int> res;
for (auto i : b) if (cnt[i])
res.pb(i), --cnt[i];
return res;
}
vector<int> operator -(vector<int> a, vector<int> b) {
map<int, int> cnt;
for (auto i : a) ++cnt[i];
for (auto i : b) --cnt[i];
vector<int> res;
for (auto [v, c] : cnt)
while (c--) res.pb(v);
return res;
}
int qcnt;
vector<int> ans;
// vector<int> get_pairwise_xor(vector<int>);
vector<int> get_values(vector<int> ids) {
cerr << "get values at index: ";
debug(AI(ids));
auto allid = get_pairwise_xor(ids);
auto id1 = ids;
id1.pb(1);
auto with1 = get_pairwise_xor(id1);
auto onewithid = with1 - allid;
sort(AI(onewithid));
vector<int> res;
for (int i = 2;i < onewithid.size();i += 2)
res.pb(onewithid[i] ^ ans[0]);
debug(AI(res));
qcnt += 2;
return res;
}
vector<int> have[MAX_N];
vector<int> guess(int n) {
ans.pb(ask(1));
if (n <= 15) {
for (int i = 2;i <= n;++i)
ans.pb(ask(i));
return ans;
}
// vector<int> allvalue(n-1); iota(AI(allvalue), 2);
//
// allvalue = get_values(allvalue);
int lg = 7;
for (int d = 0;d < lg;++d) {
vector<int> vec;
for (int i = 1;i < n;++i)
if ((i>>d)&1) vec.pb(i+1);
have[d] = get_values(vec);
}
for (int i = 1;i < n;++i) {
int lst = -1;
vector<int> cand;
for (int d = 0;d < lg;++d)
if (i>>d&1) {
if (lst == -1) cand = have[d];
cand = cand & have[d];
lst = d;
}
for (int d = 0;d < lg;++d)
if (~i>>d&1) {
for (int x : have[d]) {
auto it = find(AI(cand), x);
if (it != end(cand))
cand.erase(it);
}
}
ans.pb(cand[0]);
}
DE(qcnt, n);
return ans;
}
Compilation message
Xoractive.cpp: In function 'std::vector<int> get_values(std::vector<int>)':
Xoractive.cpp:15:20: warning: statement has no effect [-Wunused-value]
15 | #define debug(...) 0
| ^
Xoractive.cpp:50:2: note: in expansion of macro 'debug'
50 | debug(AI(ids));
| ^~~~~
Xoractive.cpp:63:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
63 | for (int i = 2;i < onewithid.size();i += 2)
| ~~^~~~~~~~~~~~~~~~~~
Xoractive.cpp:15:20: warning: statement has no effect [-Wunused-value]
15 | #define debug(...) 0
| ^
Xoractive.cpp:66:2: note: in expansion of macro 'debug'
66 | debug(AI(res));
| ^~~~~
Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:14:17: warning: statement has no effect [-Wunused-value]
14 | #define DE(...) 0
| ^
Xoractive.cpp:120:2: note: in expansion of macro 'DE'
120 | DE(qcnt, n);
| ^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
0 ms |
364 KB |
Output is correct |
| 3 |
Correct |
0 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
384 KB |
Output is correct |
| 2 |
Correct |
6 ms |
364 KB |
Output is correct |
| 3 |
Correct |
5 ms |
364 KB |
Output is correct |
| 4 |
Correct |
8 ms |
492 KB |
Output is correct |
| 5 |
Correct |
6 ms |
364 KB |
Output is correct |
| 6 |
Correct |
6 ms |
364 KB |
Output is correct |
| 7 |
Correct |
5 ms |
364 KB |
Output is correct |
| 8 |
Correct |
6 ms |
364 KB |
Output is correct |
| 9 |
Correct |
6 ms |
384 KB |
Output is correct |
| 10 |
Correct |
6 ms |
364 KB |
Output is correct |
| 11 |
Correct |
5 ms |
364 KB |
Output is correct |
| 12 |
Correct |
7 ms |
364 KB |
Output is correct |
| 13 |
Correct |
6 ms |
364 KB |
Output is correct |
| 14 |
Correct |
7 ms |
364 KB |
Output is correct |
| 15 |
Correct |
5 ms |
364 KB |
Output is correct |
| 16 |
Correct |
7 ms |
364 KB |
Output is correct |
| 17 |
Correct |
6 ms |
364 KB |
Output is correct |
| 18 |
Correct |
8 ms |
492 KB |
Output is correct |
| 19 |
Correct |
5 ms |
364 KB |
Output is correct |
| 20 |
Correct |
7 ms |
492 KB |
Output is correct |
| 21 |
Correct |
6 ms |
364 KB |
Output is correct |
| 22 |
Correct |
8 ms |
492 KB |
Output is correct |
| 23 |
Correct |
6 ms |
364 KB |
Output is correct |
| 24 |
Correct |
7 ms |
364 KB |
Output is correct |
| 25 |
Correct |
6 ms |
364 KB |
Output is correct |
| 26 |
Correct |
6 ms |
364 KB |
Output is correct |
| 27 |
Correct |
5 ms |
364 KB |
Output is correct |
| 28 |
Correct |
6 ms |
364 KB |
Output is correct |
| 29 |
Correct |
7 ms |
364 KB |
Output is correct |
| 30 |
Correct |
6 ms |
364 KB |
Output is correct |
| 31 |
Correct |
7 ms |
364 KB |
Output is correct |
| 32 |
Correct |
6 ms |
364 KB |
Output is correct |
| 33 |
Correct |
6 ms |
364 KB |
Output is correct |
| 34 |
Correct |
6 ms |
364 KB |
Output is correct |
| 35 |
Correct |
5 ms |
364 KB |
Output is correct |
| 36 |
Correct |
6 ms |
364 KB |
Output is correct |
| 37 |
Correct |
6 ms |
364 KB |
Output is correct |
| 38 |
Correct |
6 ms |
364 KB |
Output is correct |
| 39 |
Correct |
5 ms |
364 KB |
Output is correct |
| 40 |
Correct |
6 ms |
492 KB |
Output is correct |
| 41 |
Correct |
6 ms |
364 KB |
Output is correct |
| 42 |
Correct |
8 ms |
364 KB |
Output is correct |
| 43 |
Correct |
5 ms |
364 KB |
Output is correct |
| 44 |
Correct |
6 ms |
364 KB |
Output is correct |
| 45 |
Correct |
6 ms |
364 KB |
Output is correct |
| 46 |
Correct |
6 ms |
364 KB |
Output is correct |
| 47 |
Correct |
5 ms |
364 KB |
Output is correct |
| 48 |
Correct |
6 ms |
364 KB |
Output is correct |
| 49 |
Correct |
6 ms |
364 KB |
Output is correct |
| 50 |
Correct |
6 ms |
364 KB |
Output is correct |
| 51 |
Correct |
5 ms |
364 KB |
Output is correct |
| 52 |
Correct |
6 ms |
364 KB |
Output is correct |
| 53 |
Correct |
6 ms |
364 KB |
Output is correct |
| 54 |
Correct |
8 ms |
364 KB |
Output is correct |
| 55 |
Correct |
4 ms |
364 KB |
Output is correct |
| 56 |
Correct |
6 ms |
364 KB |
Output is correct |
| 57 |
Correct |
7 ms |
492 KB |
Output is correct |
| 58 |
Correct |
6 ms |
364 KB |
Output is correct |
| 59 |
Correct |
6 ms |
364 KB |
Output is correct |
| 60 |
Correct |
6 ms |
364 KB |
Output is correct |
| 61 |
Correct |
6 ms |
364 KB |
Output is correct |
| 62 |
Correct |
7 ms |
492 KB |
Output is correct |
| 63 |
Correct |
5 ms |
364 KB |
Output is correct |
| 64 |
Correct |
6 ms |
364 KB |
Output is correct |
| 65 |
Correct |
7 ms |
640 KB |
Output is correct |
| 66 |
Correct |
7 ms |
364 KB |
Output is correct |
| 67 |
Correct |
5 ms |
364 KB |
Output is correct |
| 68 |
Correct |
6 ms |
364 KB |
Output is correct |
| 69 |
Correct |
6 ms |
364 KB |
Output is correct |
| 70 |
Correct |
6 ms |
364 KB |
Output is correct |
| 71 |
Correct |
5 ms |
364 KB |
Output is correct |
| 72 |
Correct |
7 ms |
364 KB |
Output is correct |
| 73 |
Correct |
6 ms |
364 KB |
Output is correct |
| 74 |
Correct |
6 ms |
492 KB |
Output is correct |
| 75 |
Correct |
6 ms |
364 KB |
Output is correct |
| 76 |
Correct |
6 ms |
364 KB |
Output is correct |
| 77 |
Correct |
8 ms |
364 KB |
Output is correct |
| 78 |
Correct |
6 ms |
364 KB |
Output is correct |
| 79 |
Correct |
5 ms |
364 KB |
Output is correct |
| 80 |
Correct |
6 ms |
364 KB |
Output is correct |
| 81 |
Correct |
6 ms |
364 KB |
Output is correct |
| 82 |
Correct |
6 ms |
364 KB |
Output is correct |
| 83 |
Correct |
5 ms |
364 KB |
Output is correct |
| 84 |
Correct |
6 ms |
364 KB |
Output is correct |
| 85 |
Correct |
7 ms |
364 KB |
Output is correct |
| 86 |
Correct |
6 ms |
364 KB |
Output is correct |
| 87 |
Correct |
5 ms |
364 KB |
Output is correct |
| 88 |
Correct |
7 ms |
364 KB |
Output is correct |
| 89 |
Correct |
6 ms |
364 KB |
Output is correct |
| 90 |
Correct |
7 ms |
364 KB |
Output is correct |
| 91 |
Correct |
5 ms |
364 KB |
Output is correct |
| 92 |
Correct |
8 ms |
492 KB |
Output is correct |
| 93 |
Correct |
7 ms |
364 KB |
Output is correct |
| 94 |
Correct |
6 ms |
364 KB |
Output is correct |
| 95 |
Correct |
4 ms |
364 KB |
Output is correct |
| 96 |
Correct |
6 ms |
364 KB |
Output is correct |
| 97 |
Correct |
6 ms |
364 KB |
Output is correct |
| 98 |
Correct |
6 ms |
364 KB |
Output is correct |
| 99 |
Correct |
5 ms |
364 KB |
Output is correct |
| 100 |
Correct |
6 ms |
364 KB |
Output is correct |
