oj.uz

Submission #202544

# Submission time Handle Problem Language Result Execution time Memory
202544 2020-02-17T00:34:59 Z klungs Xoractive (IZhO19_xoractive) C++14
100 / 100
 11 ms 632 KB 
#include "interactive.h"
#include <bits/stdc++.h>
using namespace std;

vector <int> ans;

vector<int> contains(vector<int> q) {
	if (q.size() == 0) return {};
	vector<int> qf = q;
	qf.push_back(1);
	auto res1 = get_pairwise_xor(qf);
	auto res2 = get_pairwise_xor(q);
	multiset<int> gg;
	for (auto x : res1) gg.insert(x);
	for (auto x : res2) gg.erase(gg.find(x));
	
	gg.erase(gg.find(0));
	vector<int> res;
	map<int, int> cnt_gg;
	for (auto x : gg) {
		cnt_gg[x]++;
	}
	for (auto x : cnt_gg) {
		for (int i = 0; i < x.second; i+= 2) {
			res.push_back(x.first ^ ans[1]);
		}
	}
	// cerr << res.size() << " " << q.size() << endl;
	assert(res.size() == q.size());
	return res;
}

vector<int> guess(int n) {
	ans.resize(n + 1);
	ans[1] = ask(1);
	
	vector<int> questions[7], answers[7];
	
	map<int, int> id;
	for (int i = 2; i <= n; i++) {
		for (int j = 0; j < 7; j++) if ((1 << j) & i) {
			questions[j].push_back(i);
		}
	}
	
	for (int j = 0; j < 7; j++) {
		answers[j] = contains(questions[j]);
		for (int x : answers[j]) {
			id[x] ^= (1 << j);
		}
	}
	
	for (auto x : id) {
		ans[x.second] = x.first;
	}
	
	vector<int> fix_ans(ans.begin() + 1, ans.end());
	return fix_ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 5 ms 248 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 248 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 504 KB Output is correct
2 Correct 8 ms 504 KB Output is correct
3 Correct 8 ms 504 KB Output is correct
4 Correct 9 ms 504 KB Output is correct
5 Correct 9 ms 376 KB Output is correct
6 Correct 9 ms 376 KB Output is correct
7 Correct 9 ms 376 KB Output is correct
8 Correct 9 ms 632 KB Output is correct
9 Correct 9 ms 376 KB Output is correct
10 Correct 8 ms 376 KB Output is correct
11 Correct 9 ms 504 KB Output is correct
12 Correct 8 ms 376 KB Output is correct
13 Correct 9 ms 376 KB Output is correct
14 Correct 9 ms 504 KB Output is correct
15 Correct 9 ms 376 KB Output is correct
16 Correct 9 ms 376 KB Output is correct
17 Correct 10 ms 504 KB Output is correct
18 Correct 9 ms 504 KB Output is correct
19 Correct 8 ms 376 KB Output is correct
20 Correct 9 ms 376 KB Output is correct
21 Correct 9 ms 552 KB Output is correct
22 Correct 9 ms 632 KB Output is correct
23 Correct 8 ms 376 KB Output is correct
24 Correct 9 ms 376 KB Output is correct
25 Correct 9 ms 376 KB Output is correct
26 Correct 8 ms 376 KB Output is correct
27 Correct 8 ms 380 KB Output is correct
28 Correct 9 ms 504 KB Output is correct
29 Correct 9 ms 376 KB Output is correct
30 Correct 10 ms 376 KB Output is correct
31 Correct 9 ms 504 KB Output is correct
32 Correct 8 ms 504 KB Output is correct
33 Correct 9 ms 504 KB Output is correct
34 Correct 9 ms 504 KB Output is correct
35 Correct 9 ms 376 KB Output is correct
36 Correct 9 ms 448 KB Output is correct
37 Correct 9 ms 376 KB Output is correct
38 Correct 9 ms 376 KB Output is correct
39 Correct 8 ms 504 KB Output is correct
40 Correct 9 ms 380 KB Output is correct
41 Correct 9 ms 504 KB Output is correct
42 Correct 11 ms 376 KB Output is correct
43 Correct 8 ms 376 KB Output is correct
44 Correct 8 ms 376 KB Output is correct
45 Correct 9 ms 376 KB Output is correct
46 Correct 9 ms 504 KB Output is correct
47 Correct 8 ms 504 KB Output is correct
48 Correct 9 ms 504 KB Output is correct
49 Correct 9 ms 504 KB Output is correct
50 Correct 9 ms 376 KB Output is correct
51 Correct 8 ms 376 KB Output is correct
52 Correct 9 ms 376 KB Output is correct
53 Correct 9 ms 504 KB Output is correct
54 Correct 9 ms 504 KB Output is correct
55 Correct 8 ms 376 KB Output is correct
56 Correct 9 ms 376 KB Output is correct
57 Correct 9 ms 396 KB Output is correct
58 Correct 9 ms 504 KB Output is correct
59 Correct 8 ms 376 KB Output is correct
60 Correct 9 ms 504 KB Output is correct
61 Correct 9 ms 376 KB Output is correct
62 Correct 9 ms 376 KB Output is correct
63 Correct 8 ms 376 KB Output is correct
64 Correct 9 ms 504 KB Output is correct
65 Correct 9 ms 376 KB Output is correct
66 Correct 9 ms 376 KB Output is correct
67 Correct 6 ms 376 KB Output is correct
68 Correct 8 ms 376 KB Output is correct
69 Correct 9 ms 556 KB Output is correct
70 Correct 9 ms 376 KB Output is correct
71 Correct 9 ms 376 KB Output is correct
72 Correct 8 ms 504 KB Output is correct
73 Correct 9 ms 380 KB Output is correct
74 Correct 8 ms 376 KB Output is correct
75 Correct 9 ms 380 KB Output is correct
76 Correct 9 ms 504 KB Output is correct
77 Correct 9 ms 376 KB Output is correct
78 Correct 9 ms 376 KB Output is correct
79 Correct 9 ms 504 KB Output is correct
80 Correct 9 ms 376 KB Output is correct
81 Correct 9 ms 376 KB Output is correct
82 Correct 9 ms 380 KB Output is correct
83 Correct 9 ms 376 KB Output is correct
84 Correct 9 ms 376 KB Output is correct
85 Correct 9 ms 376 KB Output is correct
86 Correct 10 ms 504 KB Output is correct
87 Correct 9 ms 376 KB Output is correct
88 Correct 9 ms 504 KB Output is correct
89 Correct 9 ms 376 KB Output is correct
90 Correct 8 ms 376 KB Output is correct
91 Correct 9 ms 376 KB Output is correct
92 Correct 8 ms 376 KB Output is correct
93 Correct 9 ms 376 KB Output is correct
94 Correct 9 ms 376 KB Output is correct
95 Correct 8 ms 376 KB Output is correct
96 Correct 10 ms 504 KB Output is correct
97 Correct 9 ms 376 KB Output is correct
98 Correct 9 ms 376 KB Output is correct
99 Correct 9 ms 380 KB Output is correct
100 Correct 9 ms 376 KB Output is correct