#include <bits/stdc++.h>
#include "interactive.h"
using namespace std;
vector<int> intervalXor(int id, vector<int> v, int valId)
{
// cerr << "v: "; for (auto x : v) cerr << x << " "; cerr << '\n';
if (v.empty()) return v;
v.push_back(id);
vector<int> r1 = get_pairwise_xor(v);
v.pop_back();
vector<int> r2 = get_pairwise_xor(v);
vector<int> resp;
int id2 = 0;
for (int i = 0; i < r1.size(); i++)
{
if (r2[id2] == r1[i]) {id2++; continue;}
resp.push_back(r1[i]);
}
if (resp[0] == 0) resp.erase(resp.begin());
vector<int> realResp(1, resp[0]);
for (int i = 1; i < resp.size(); i++) if (resp[i] != resp[i-1]) realResp.push_back(resp[i]);
resp = realResp;
for (auto &x : resp) x ^= valId;
sort(resp.begin(), resp.end());
// cerr << "resp: "; for (auto x : resp) cerr << x << " "; cerr << '\n';
return resp;
}
vector<int> guess(int n)
{
// cerr << "BONGA" << '\n';
vector<int> ans(n);
ans[0] = ask(1);
vector<int> ids(n-1); iota(ids.begin(), ids.end(), 2);
// vector<int> nums = intervalXor(1, ids, ans[0]);
vector<int> pos(n-1);
set<int> nVals; vector<vector<int>> aux(7);
for (int k = 6; k >= 0; k--)
{
ids.clear();
for (int i = 2; i <= n; i++)
if (i & (1 << k))
ids.push_back(i);
aux[k] = intervalXor(1, ids, ans[0]);
for (auto x : aux[k]) nVals.insert(x);
}
vector<int> nums(nVals.begin(), nVals.end());
for (int k = 6; k >= 0; k--)
{
int idAux = 0;
for (int i = 0; i < nums.size() && idAux < aux[k].size(); i++)
{
if (aux[k][idAux] == nums[i]) pos[i] |= (1 << k), idAux++;
}
}
// cerr << "pos: "; for (auto x : pos) cerr << x << " "; cerr << '\n';
for (int i = 0; i < pos.size(); i++) ans[pos[i]-1] = nums[i];
// cerr << "n: " << n << ", ans: "; for (auto x : ans) cerr << x << " "; cerr << '\n';
return ans;
}
Compilation message
Xoractive.cpp: In function 'std::vector<int> intervalXor(int, std::vector<int>, int)':
Xoractive.cpp:15:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
15 | for (int i = 0; i < r1.size(); i++)
| ~~^~~~~~~~~~~
Xoractive.cpp:22:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
22 | for (int i = 1; i < resp.size(); i++) if (resp[i] != resp[i-1]) realResp.push_back(resp[i]);
| ~~^~~~~~~~~~~~~
Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:52:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
52 | for (int i = 0; i < nums.size() && idAux < aux[k].size(); i++)
| ~~^~~~~~~~~~~~~
Xoractive.cpp:52:44: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
52 | for (int i = 0; i < nums.size() && idAux < aux[k].size(); i++)
| ~~~~~~^~~~~~~~~~~~~~~
Xoractive.cpp:58:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
58 | for (int i = 0; i < pos.size(); i++) ans[pos[i]-1] = nums[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 |
2 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
2 ms |
344 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
2 ms |
488 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
2 ms |
344 KB |
Output is correct |
9 |
Correct |
2 ms |
344 KB |
Output is correct |
10 |
Correct |
2 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
2 ms |
344 KB |
Output is correct |
14 |
Correct |
2 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
344 KB |
Output is correct |
16 |
Correct |
2 ms |
344 KB |
Output is correct |
17 |
Correct |
2 ms |
344 KB |
Output is correct |
18 |
Correct |
2 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
344 KB |
Output is correct |
20 |
Correct |
2 ms |
344 KB |
Output is correct |
21 |
Correct |
2 ms |
344 KB |
Output is correct |
22 |
Correct |
2 ms |
344 KB |
Output is correct |
23 |
Correct |
2 ms |
344 KB |
Output is correct |
24 |
Correct |
2 ms |
344 KB |
Output is correct |
25 |
Correct |
2 ms |
344 KB |
Output is correct |
26 |
Correct |
2 ms |
344 KB |
Output is correct |
27 |
Correct |
1 ms |
344 KB |
Output is correct |
28 |
Correct |
2 ms |
344 KB |
Output is correct |
29 |
Correct |
2 ms |
344 KB |
Output is correct |
30 |
Correct |
2 ms |
344 KB |
Output is correct |
31 |
Correct |
2 ms |
344 KB |
Output is correct |
32 |
Correct |
2 ms |
476 KB |
Output is correct |
33 |
Correct |
2 ms |
344 KB |
Output is correct |
34 |
Correct |
2 ms |
344 KB |
Output is correct |
35 |
Correct |
2 ms |
344 KB |
Output is correct |
36 |
Correct |
2 ms |
344 KB |
Output is correct |
37 |
Correct |
2 ms |
344 KB |
Output is correct |
38 |
Correct |
2 ms |
344 KB |
Output is correct |
39 |
Correct |
2 ms |
380 KB |
Output is correct |
40 |
Correct |
2 ms |
344 KB |
Output is correct |
41 |
Correct |
2 ms |
344 KB |
Output is correct |
42 |
Correct |
2 ms |
344 KB |
Output is correct |
43 |
Correct |
1 ms |
344 KB |
Output is correct |
44 |
Correct |
2 ms |
344 KB |
Output is correct |
45 |
Correct |
3 ms |
344 KB |
Output is correct |
46 |
Correct |
2 ms |
344 KB |
Output is correct |
47 |
Correct |
2 ms |
344 KB |
Output is correct |
48 |
Correct |
2 ms |
344 KB |
Output is correct |
49 |
Correct |
2 ms |
344 KB |
Output is correct |
50 |
Correct |
2 ms |
344 KB |
Output is correct |
51 |
Correct |
1 ms |
344 KB |
Output is correct |
52 |
Correct |
2 ms |
344 KB |
Output is correct |
53 |
Correct |
2 ms |
344 KB |
Output is correct |
54 |
Correct |
2 ms |
344 KB |
Output is correct |
55 |
Correct |
1 ms |
344 KB |
Output is correct |
56 |
Correct |
2 ms |
344 KB |
Output is correct |
57 |
Correct |
2 ms |
344 KB |
Output is correct |
58 |
Correct |
2 ms |
344 KB |
Output is correct |
59 |
Correct |
2 ms |
344 KB |
Output is correct |
60 |
Correct |
2 ms |
344 KB |
Output is correct |
61 |
Correct |
2 ms |
344 KB |
Output is correct |
62 |
Correct |
2 ms |
344 KB |
Output is correct |
63 |
Correct |
1 ms |
344 KB |
Output is correct |
64 |
Correct |
2 ms |
344 KB |
Output is correct |
65 |
Correct |
2 ms |
344 KB |
Output is correct |
66 |
Correct |
2 ms |
344 KB |
Output is correct |
67 |
Correct |
1 ms |
344 KB |
Output is correct |
68 |
Correct |
2 ms |
344 KB |
Output is correct |
69 |
Correct |
2 ms |
344 KB |
Output is correct |
70 |
Correct |
2 ms |
344 KB |
Output is correct |
71 |
Correct |
2 ms |
344 KB |
Output is correct |
72 |
Correct |
2 ms |
344 KB |
Output is correct |
73 |
Correct |
2 ms |
344 KB |
Output is correct |
74 |
Correct |
2 ms |
344 KB |
Output is correct |
75 |
Correct |
2 ms |
344 KB |
Output is correct |
76 |
Correct |
2 ms |
344 KB |
Output is correct |
77 |
Correct |
2 ms |
344 KB |
Output is correct |
78 |
Correct |
2 ms |
344 KB |
Output is correct |
79 |
Correct |
1 ms |
344 KB |
Output is correct |
80 |
Correct |
2 ms |
344 KB |
Output is correct |
81 |
Correct |
2 ms |
456 KB |
Output is correct |
82 |
Correct |
2 ms |
344 KB |
Output is correct |
83 |
Correct |
1 ms |
472 KB |
Output is correct |
84 |
Correct |
2 ms |
344 KB |
Output is correct |
85 |
Correct |
2 ms |
344 KB |
Output is correct |
86 |
Correct |
2 ms |
344 KB |
Output is correct |
87 |
Correct |
1 ms |
344 KB |
Output is correct |
88 |
Correct |
2 ms |
344 KB |
Output is correct |
89 |
Correct |
2 ms |
596 KB |
Output is correct |
90 |
Correct |
2 ms |
344 KB |
Output is correct |
91 |
Correct |
2 ms |
344 KB |
Output is correct |
92 |
Correct |
2 ms |
344 KB |
Output is correct |
93 |
Correct |
2 ms |
348 KB |
Output is correct |
94 |
Correct |
2 ms |
348 KB |
Output is correct |
95 |
Correct |
1 ms |
348 KB |
Output is correct |
96 |
Correct |
2 ms |
344 KB |
Output is correct |
97 |
Correct |
2 ms |
344 KB |
Output is correct |
98 |
Correct |
2 ms |
344 KB |
Output is correct |
99 |
Correct |
2 ms |
344 KB |
Output is correct |
100 |
Correct |
2 ms |
344 KB |
Output is correct |