oj.uz

Submission #649732

# Submission time Handle Problem Language Result Execution time Memory
649732 2022-10-11T09:29:26 Z ymm Xoractive (IZhO19_xoractive) C++17
100 / 100
 3 ms 344 KB 
#include "interactive.h"
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (ll)(r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (ll)(l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;

vector<int> guess(int n)
{
	int val0 = ask(1);
	vector<vector<int>> vec;
	for (int b = 1; b < n; b *= 2) {
		vector<int> v, v0{1}, dif;
		Loop (i,0,n) {
			if (i&b) {
				v.push_back(i+1);
				v0.push_back(i+1);
			}
		}
		v = get_pairwise_xor(v);
		v0 = get_pairwise_xor(v0);
		set_difference(v0.begin(), v0.end(),
		               v.begin(), v.end(),
		               back_inserter(dif));
		vector<int> u;
		for (int i = 1; i < dif.size(); i += 2)
			u.push_back(dif[i] ^ val0);
		sort(u.begin(), u.end());
		vec.push_back(u);
	}
	vector<int> ans{val0};
	Loop (i,1,n) {
		int b = __builtin_ctz(i);
		vector<int> v = vec[b];
		Loop (j,0,b) {
			vector<int> tmp;
			set_difference(v.begin(), v.end(),
			               vec[j].begin(), vec[j].end(),
			               back_inserter(tmp));
			v = tmp;
		}
		Loop (j,b+1,vec.size()) {
			if (i&(1<<j)) {
				vector<int> tmp;
				set_intersection(
					v.begin(), v.end(),
					vec[j].begin(), vec[j].end(),
					back_inserter(tmp));
				v = tmp;
			} else {
				vector<int> tmp;
				set_difference(v.begin(), v.end(),
					       vec[j].begin(), vec[j].end(),
					       back_inserter(tmp));
				v = tmp;
			}
		}
		assert(v.size() == 1);
		ans.push_back(v[0]);
	}
	return ans;
}

Compilation message

Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:28:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   for (int i = 1; i < dif.size(); i += 2)
      |                   ~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 336 KB Output is correct
2 Correct 2 ms 336 KB Output is correct
3 Correct 3 ms 336 KB Output is correct
4 Correct 2 ms 336 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 2 ms 336 KB Output is correct
8 Correct 2 ms 336 KB Output is correct
9 Correct 3 ms 336 KB Output is correct
10 Correct 2 ms 336 KB Output is correct
11 Correct 3 ms 336 KB Output is correct
12 Correct 2 ms 336 KB Output is correct
13 Correct 3 ms 336 KB Output is correct
14 Correct 2 ms 336 KB Output is correct
15 Correct 3 ms 336 KB Output is correct
16 Correct 3 ms 336 KB Output is correct
17 Correct 3 ms 336 KB Output is correct
18 Correct 3 ms 336 KB Output is correct
19 Correct 2 ms 336 KB Output is correct
20 Correct 2 ms 336 KB Output is correct
21 Correct 2 ms 336 KB Output is correct
22 Correct 2 ms 336 KB Output is correct
23 Correct 2 ms 336 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 3 ms 336 KB Output is correct
26 Correct 2 ms 336 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 2 ms 336 KB Output is correct
29 Correct 2 ms 336 KB Output is correct
30 Correct 3 ms 336 KB Output is correct
31 Correct 2 ms 336 KB Output is correct
32 Correct 2 ms 336 KB Output is correct
33 Correct 2 ms 336 KB Output is correct
34 Correct 3 ms 336 KB Output is correct
35 Correct 2 ms 336 KB Output is correct
36 Correct 2 ms 336 KB Output is correct
37 Correct 3 ms 336 KB Output is correct
38 Correct 2 ms 336 KB Output is correct
39 Correct 3 ms 336 KB Output is correct
40 Correct 2 ms 336 KB Output is correct
41 Correct 2 ms 336 KB Output is correct
42 Correct 2 ms 336 KB Output is correct
43 Correct 2 ms 336 KB Output is correct
44 Correct 2 ms 336 KB Output is correct
45 Correct 2 ms 336 KB Output is correct
46 Correct 2 ms 336 KB Output is correct
47 Correct 2 ms 336 KB Output is correct
48 Correct 3 ms 336 KB Output is correct
49 Correct 3 ms 336 KB Output is correct
50 Correct 2 ms 336 KB Output is correct
51 Correct 2 ms 336 KB Output is correct
52 Correct 2 ms 336 KB Output is correct
53 Correct 2 ms 336 KB Output is correct
54 Correct 2 ms 336 KB Output is correct
55 Correct 2 ms 336 KB Output is correct
56 Correct 2 ms 336 KB Output is correct
57 Correct 2 ms 336 KB Output is correct
58 Correct 2 ms 336 KB Output is correct
59 Correct 2 ms 336 KB Output is correct
60 Correct 2 ms 336 KB Output is correct
61 Correct 2 ms 336 KB Output is correct
62 Correct 3 ms 336 KB Output is correct
63 Correct 3 ms 336 KB Output is correct
64 Correct 2 ms 336 KB Output is correct
65 Correct 3 ms 336 KB Output is correct
66 Correct 2 ms 336 KB Output is correct
67 Correct 2 ms 336 KB Output is correct
68 Correct 2 ms 336 KB Output is correct
69 Correct 2 ms 336 KB Output is correct
70 Correct 2 ms 336 KB Output is correct
71 Correct 2 ms 336 KB Output is correct
72 Correct 2 ms 344 KB Output is correct
73 Correct 2 ms 336 KB Output is correct
74 Correct 2 ms 336 KB Output is correct
75 Correct 3 ms 336 KB Output is correct
76 Correct 2 ms 336 KB Output is correct
77 Correct 2 ms 336 KB Output is correct
78 Correct 3 ms 336 KB Output is correct
79 Correct 2 ms 336 KB Output is correct
80 Correct 2 ms 336 KB Output is correct
81 Correct 2 ms 336 KB Output is correct
82 Correct 2 ms 336 KB Output is correct
83 Correct 2 ms 336 KB Output is correct
84 Correct 2 ms 336 KB Output is correct
85 Correct 3 ms 324 KB Output is correct
86 Correct 2 ms 336 KB Output is correct
87 Correct 2 ms 336 KB Output is correct
88 Correct 3 ms 336 KB Output is correct
89 Correct 2 ms 336 KB Output is correct
90 Correct 2 ms 336 KB Output is correct
91 Correct 2 ms 336 KB Output is correct
92 Correct 2 ms 336 KB Output is correct
93 Correct 2 ms 336 KB Output is correct
94 Correct 2 ms 336 KB Output is correct
95 Correct 2 ms 336 KB Output is correct
96 Correct 2 ms 336 KB Output is correct
97 Correct 2 ms 336 KB Output is correct
98 Correct 2 ms 336 KB Output is correct
99 Correct 2 ms 336 KB Output is correct
100 Correct 2 ms 336 KB Output is correct