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Submission #387166

# Submission time Handle Problem Language Result Execution time Memory
387166 2021-04-08T05:32:27 Z kevinxiehk Xoractive (IZhO19_xoractive) C++17
100 / 100
 4 ms 512 KB 
#include "interactive.h"
#include "bits/stdc++.h"
using namespace std;

vector<int> guess(int n) {
	vector<int> ans(n);
	ans[0] = ask(1);
	vector<int> hm[7];
	vector<int> hv[7];
	set<int> tot;
	for(int i = 0; i <= floor(log2(n)); i++) {
		if(n < (1 << i)) break;
		for(int j = 2; j <= n; j++) {
			if(j & (1 << i)) hm[i].push_back(j);
		}
		vector<int> have =  get_pairwise_xor(hm[i]);
		hm[i].push_back(1);
		vector<int> have2 = get_pairwise_xor(hm[i]);
		int add = 1;
		have.push_back(-1);
		have2.push_back(-1);
		for(int j = 0; j < have.size(); j++) {
			while(have[j] != have2[j + add]){
				hv[i].push_back(have2[j + add] ^ ans[0]);
				tot.insert(have2[j + add] ^ ans[0]);
				add += 2;
			}
		}
		assert(hv[i].size() == hm[i].size() - 1);
	}
	for(auto x: tot) {
		int id = 0;
		for(int i = 0; i <= floor(log2(n)); i++) {
			for(auto y: hv[i]) {
				if(x == y) {
					id += (1 << i);
				}
			}
		}
		ans[id - 1] = x;
	}
	return ans;
}

Compilation message

Xoractive.cpp: In function 'std::vector<int> guess(int)':
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 j = 0; j < have.size(); j++) {
      |                  ~~^~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 364 KB Output is correct
2 Correct 3 ms 364 KB Output is correct
3 Correct 3 ms 364 KB Output is correct
4 Correct 3 ms 364 KB Output is correct
5 Correct 3 ms 364 KB Output is correct
6 Correct 4 ms 364 KB Output is correct
7 Correct 3 ms 364 KB Output is correct
8 Correct 3 ms 364 KB Output is correct
9 Correct 3 ms 364 KB Output is correct
10 Correct 3 ms 364 KB Output is correct
11 Correct 3 ms 364 KB Output is correct
12 Correct 4 ms 364 KB Output is correct
13 Correct 3 ms 364 KB Output is correct
14 Correct 3 ms 364 KB Output is correct
15 Correct 3 ms 364 KB Output is correct
16 Correct 3 ms 364 KB Output is correct
17 Correct 3 ms 364 KB Output is correct
18 Correct 3 ms 364 KB Output is correct
19 Correct 3 ms 364 KB Output is correct
20 Correct 3 ms 364 KB Output is correct
21 Correct 3 ms 364 KB Output is correct
22 Correct 3 ms 364 KB Output is correct
23 Correct 3 ms 364 KB Output is correct
24 Correct 3 ms 364 KB Output is correct
25 Correct 3 ms 364 KB Output is correct
26 Correct 3 ms 364 KB Output is correct
27 Correct 3 ms 364 KB Output is correct
28 Correct 3 ms 364 KB Output is correct
29 Correct 3 ms 364 KB Output is correct
30 Correct 3 ms 364 KB Output is correct
31 Correct 3 ms 364 KB Output is correct
32 Correct 3 ms 364 KB Output is correct
33 Correct 4 ms 364 KB Output is correct
34 Correct 3 ms 364 KB Output is correct
35 Correct 3 ms 364 KB Output is correct
36 Correct 3 ms 364 KB Output is correct
37 Correct 3 ms 364 KB Output is correct
38 Correct 3 ms 364 KB Output is correct
39 Correct 3 ms 364 KB Output is correct
40 Correct 4 ms 364 KB Output is correct
41 Correct 3 ms 364 KB Output is correct
42 Correct 3 ms 364 KB Output is correct
43 Correct 2 ms 364 KB Output is correct
44 Correct 3 ms 364 KB Output is correct
45 Correct 3 ms 364 KB Output is correct
46 Correct 3 ms 364 KB Output is correct
47 Correct 3 ms 364 KB Output is correct
48 Correct 3 ms 364 KB Output is correct
49 Correct 3 ms 508 KB Output is correct
50 Correct 3 ms 364 KB Output is correct
51 Correct 3 ms 364 KB Output is correct
52 Correct 3 ms 364 KB Output is correct
53 Correct 3 ms 364 KB Output is correct
54 Correct 3 ms 364 KB Output is correct
55 Correct 2 ms 364 KB Output is correct
56 Correct 3 ms 364 KB Output is correct
57 Correct 3 ms 364 KB Output is correct
58 Correct 3 ms 364 KB Output is correct
59 Correct 3 ms 364 KB Output is correct
60 Correct 3 ms 364 KB Output is correct
61 Correct 3 ms 364 KB Output is correct
62 Correct 3 ms 364 KB Output is correct
63 Correct 2 ms 364 KB Output is correct
64 Correct 3 ms 364 KB Output is correct
65 Correct 3 ms 364 KB Output is correct
66 Correct 3 ms 364 KB Output is correct
67 Correct 3 ms 364 KB Output is correct
68 Correct 4 ms 368 KB Output is correct
69 Correct 3 ms 364 KB Output is correct
70 Correct 3 ms 364 KB Output is correct
71 Correct 3 ms 364 KB Output is correct
72 Correct 3 ms 364 KB Output is correct
73 Correct 3 ms 364 KB Output is correct
74 Correct 3 ms 364 KB Output is correct
75 Correct 3 ms 364 KB Output is correct
76 Correct 3 ms 364 KB Output is correct
77 Correct 3 ms 364 KB Output is correct
78 Correct 3 ms 364 KB Output is correct
79 Correct 3 ms 512 KB Output is correct
80 Correct 3 ms 364 KB Output is correct
81 Correct 3 ms 364 KB Output is correct
82 Correct 3 ms 364 KB Output is correct
83 Correct 2 ms 364 KB Output is correct
84 Correct 3 ms 364 KB Output is correct
85 Correct 3 ms 364 KB Output is correct
86 Correct 3 ms 364 KB Output is correct
87 Correct 4 ms 364 KB Output is correct
88 Correct 3 ms 364 KB Output is correct
89 Correct 3 ms 364 KB Output is correct
90 Correct 3 ms 364 KB Output is correct
91 Correct 2 ms 364 KB Output is correct
92 Correct 3 ms 364 KB Output is correct
93 Correct 3 ms 364 KB Output is correct
94 Correct 3 ms 364 KB Output is correct
95 Correct 2 ms 364 KB Output is correct
96 Correct 3 ms 364 KB Output is correct
97 Correct 3 ms 364 KB Output is correct
98 Correct 3 ms 364 KB Output is correct
99 Correct 3 ms 364 KB Output is correct
100 Correct 3 ms 364 KB Output is correct