#include <bits/stdc++.h>
#include "interactive.h"
#define pb emplace_back
#define ll long long
#define fi first
#define se second
#define mp make_pair
//#define int int64_t
using namespace std;
const int N = 107;
int ans[N];
//
//vector<int> get_pairwise_xor(vector<int> pos) {
// vector<int> res;
// cout << "ask: ";
// for(int x: pos) cout << x << ' ';
// cout << "\n"; cout << "answer: ";
// for(int x: pos) {
// for(int y: pos) {
// res.pb(ans[x] ^ ans[y]);
// cout << (ans[x] ^ ans[y]) << ' ';
// }
// }
// cout << '\n';
// return res;
//}
//
//int ask(int i) {return ans[i];}
vector<int> get_xor(vector<int>& pos) {
auto tmp = get_pairwise_xor(pos);
sort(tmp.begin(), tmp.end());
vector<int> ans;
for(int i = 0; i < tmp.size(); i += 2) {
if(tmp[i] == 0) continue;
ans.pb(tmp[i]);
}
return ans;
}
set<int> get_ans(int cur, vector<int>& pos) {
auto tmp1 = get_xor(pos);
pos.pb(1);
auto tmp2 = get_xor(pos);
set<int> res;
map<int, int> cnt;
for(auto x: tmp2) ++cnt[x];
for(auto x: tmp1) --cnt[x];
for(auto x: cnt)
if(x.se)
res.insert(x.fi ^ cur);
return res;
}
set<int> value[10];
vector<int> guess(int n) {
vector<int> res(n), pos;
if(n <= 10) {
for(int i = 0; i < n; ++i) res[i] = ask(i + 1);
return res;
}
res[0] = ask(1);
for(int i = 0; i < 7; ++i) {
pos.clear();
for(int j = 1; j < n; ++j)
if(j >> i & 1) pos.pb(j + 1);
value[i] = get_ans(res[0], pos);
//cout << i << '\n';
//for(int x: value[i]) cout << x << ' ';
//cout << '\n';
}
set<int> can;
for(int j = n - 1; j > 0; --j) {
bool start = 0; can.clear();
for(int i = 0; i < 7; ++i) {
if(j >> i & 1) {
if(!start) can = value[i], start = 1;
else {
//for(int x: can) cout << x << ' ';
//cout << '\n';
vector<int> del;
for(int x: can)
if(!value[i].count(x)) del.pb(x);
for(int x: del) can.erase(x);
}
}
}
res[j] = *can.begin();
for(int i = 0; i < 7; ++i)
if(j >> i & 1) value[i].erase(res[j]);
}
return res;
}
//int32_t main() {
// ios_base::sync_with_stdio(0);
// cin.tie(0), cout.tie(0);
// #define Task "test"
// if(fopen(Task".inp", "r")) {
// freopen(Task".inp", "r", stdin);
// freopen(Task".out", "w", stdout);
// }
// int n; cin >> n;
// for(int i = 1; i <= n; ++i) cin >> ans[i];
// auto res = guess(n);
// for(int x: res) cout << x << ' ';
//}
Compilation message
Xoractive.cpp: In function 'std::vector<int> get_xor(std::vector<int>&)':
Xoractive.cpp:36:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < tmp.size(); i += 2) {
~~^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
3 ms |
384 KB |
Output is correct |
8 |
Correct |
6 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
4 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
384 KB |
Output is correct |
18 |
Correct |
4 ms |
384 KB |
Output is correct |
19 |
Correct |
3 ms |
384 KB |
Output is correct |
20 |
Correct |
4 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
4 ms |
384 KB |
Output is correct |
23 |
Correct |
4 ms |
384 KB |
Output is correct |
24 |
Correct |
4 ms |
384 KB |
Output is correct |
25 |
Correct |
4 ms |
384 KB |
Output is correct |
26 |
Correct |
4 ms |
384 KB |
Output is correct |
27 |
Correct |
3 ms |
384 KB |
Output is correct |
28 |
Correct |
4 ms |
384 KB |
Output is correct |
29 |
Correct |
4 ms |
384 KB |
Output is correct |
30 |
Correct |
4 ms |
384 KB |
Output is correct |
31 |
Correct |
4 ms |
384 KB |
Output is correct |
32 |
Correct |
4 ms |
384 KB |
Output is correct |
33 |
Correct |
4 ms |
384 KB |
Output is correct |
34 |
Correct |
4 ms |
384 KB |
Output is correct |
35 |
Correct |
4 ms |
384 KB |
Output is correct |
36 |
Correct |
4 ms |
384 KB |
Output is correct |
37 |
Correct |
4 ms |
384 KB |
Output is correct |
38 |
Correct |
4 ms |
384 KB |
Output is correct |
39 |
Correct |
3 ms |
384 KB |
Output is correct |
40 |
Correct |
4 ms |
384 KB |
Output is correct |
41 |
Correct |
4 ms |
384 KB |
Output is correct |
42 |
Correct |
4 ms |
384 KB |
Output is correct |
43 |
Correct |
3 ms |
384 KB |
Output is correct |
44 |
Correct |
5 ms |
512 KB |
Output is correct |
45 |
Correct |
4 ms |
384 KB |
Output is correct |
46 |
Correct |
4 ms |
384 KB |
Output is correct |
47 |
Correct |
3 ms |
384 KB |
Output is correct |
48 |
Correct |
4 ms |
384 KB |
Output is correct |
49 |
Correct |
5 ms |
384 KB |
Output is correct |
50 |
Correct |
4 ms |
384 KB |
Output is correct |
51 |
Correct |
3 ms |
384 KB |
Output is correct |
52 |
Correct |
4 ms |
384 KB |
Output is correct |
53 |
Correct |
4 ms |
384 KB |
Output is correct |
54 |
Correct |
4 ms |
384 KB |
Output is correct |
55 |
Correct |
3 ms |
384 KB |
Output is correct |
56 |
Correct |
4 ms |
384 KB |
Output is correct |
57 |
Correct |
4 ms |
384 KB |
Output is correct |
58 |
Correct |
4 ms |
384 KB |
Output is correct |
59 |
Correct |
3 ms |
384 KB |
Output is correct |
60 |
Correct |
4 ms |
384 KB |
Output is correct |
61 |
Correct |
4 ms |
384 KB |
Output is correct |
62 |
Correct |
5 ms |
384 KB |
Output is correct |
63 |
Correct |
4 ms |
384 KB |
Output is correct |
64 |
Correct |
4 ms |
384 KB |
Output is correct |
65 |
Correct |
4 ms |
384 KB |
Output is correct |
66 |
Correct |
4 ms |
384 KB |
Output is correct |
67 |
Correct |
3 ms |
384 KB |
Output is correct |
68 |
Correct |
4 ms |
384 KB |
Output is correct |
69 |
Correct |
4 ms |
384 KB |
Output is correct |
70 |
Correct |
4 ms |
384 KB |
Output is correct |
71 |
Correct |
4 ms |
384 KB |
Output is correct |
72 |
Correct |
4 ms |
384 KB |
Output is correct |
73 |
Correct |
5 ms |
384 KB |
Output is correct |
74 |
Correct |
4 ms |
384 KB |
Output is correct |
75 |
Correct |
3 ms |
384 KB |
Output is correct |
76 |
Correct |
4 ms |
384 KB |
Output is correct |
77 |
Correct |
4 ms |
384 KB |
Output is correct |
78 |
Correct |
4 ms |
384 KB |
Output is correct |
79 |
Correct |
3 ms |
384 KB |
Output is correct |
80 |
Correct |
4 ms |
384 KB |
Output is correct |
81 |
Correct |
4 ms |
384 KB |
Output is correct |
82 |
Correct |
4 ms |
384 KB |
Output is correct |
83 |
Correct |
3 ms |
384 KB |
Output is correct |
84 |
Correct |
4 ms |
384 KB |
Output is correct |
85 |
Correct |
4 ms |
384 KB |
Output is correct |
86 |
Correct |
4 ms |
384 KB |
Output is correct |
87 |
Correct |
3 ms |
384 KB |
Output is correct |
88 |
Correct |
4 ms |
384 KB |
Output is correct |
89 |
Correct |
4 ms |
384 KB |
Output is correct |
90 |
Correct |
4 ms |
384 KB |
Output is correct |
91 |
Correct |
3 ms |
384 KB |
Output is correct |
92 |
Correct |
4 ms |
384 KB |
Output is correct |
93 |
Correct |
4 ms |
384 KB |
Output is correct |
94 |
Correct |
4 ms |
384 KB |
Output is correct |
95 |
Correct |
3 ms |
384 KB |
Output is correct |
96 |
Correct |
4 ms |
384 KB |
Output is correct |
97 |
Correct |
4 ms |
384 KB |
Output is correct |
98 |
Correct |
4 ms |
384 KB |
Output is correct |
99 |
Correct |
3 ms |
384 KB |
Output is correct |
100 |
Correct |
4 ms |
384 KB |
Output is correct |