Submission #143124

# Submission time Handle Problem Language Result Execution time Memory
143124 2019-08-13T06:24:16 Z tmwilliamlin168 Xoractive (IZhO19_xoractive) C++14
100 / 100
8 ms 508 KB
#include "interactive.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> guess(int n) {
	int k=-1;
	while(n>1<<++k);
	vector<int> ans, c[k];
	ans.push_back(ask(1));
	for(int j=0; j<k; ++j) {
		vector<int> a;
		for(int i=0; i<n; ++i)
			if(i>>j&1)
				a.push_back(i+1);
		vector<int> b=get_pairwise_xor(a);
		a.push_back(1);
		c[j]=get_pairwise_xor(a);
		c[j].erase(c[j].begin());
		for(int d : b)
			c[j].erase(find(c[j].begin(), c[j].end(), d));
		for(int &d : c[j])
			d^=ans[0];
	}
	for(int i=1; i<n; ++i) {
		vector<int> v;
		for(int j=0; j<k; ++j) {
			if(i>>j&1^1)
				continue;
			if(v.size()) {
				vector<int> w;
				for(int b : c[j])
					if(find(v.begin(), v.end(), b)!=v.end())
						w.push_back(b);
				v=w;
			} else
				v=c[j];
		}
		for(int j=0; j<k; ++j)
			if(i>>j&1^1)
				for(int b : c[j])
					if(find(v.begin(), v.end(), b)!=v.end())
						v.erase(find(v.begin(), v.end(), b));
		ans.push_back(v[0]);
	}
	return ans;
}

Compilation message

Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:27:11: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
    if(i>>j&1^1)
       ~~~~^~
Xoractive.cpp:39:11: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
    if(i>>j&1^1)
       ~~~~^~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 128 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 7 ms 376 KB Output is correct
2 Correct 8 ms 380 KB Output is correct
3 Correct 6 ms 376 KB Output is correct
4 Correct 7 ms 376 KB Output is correct
5 Correct 7 ms 376 KB Output is correct
6 Correct 7 ms 376 KB Output is correct
7 Correct 7 ms 504 KB Output is correct
8 Correct 7 ms 504 KB Output is correct
9 Correct 7 ms 376 KB Output is correct
10 Correct 7 ms 504 KB Output is correct
11 Correct 6 ms 376 KB Output is correct
12 Correct 7 ms 504 KB Output is correct
13 Correct 7 ms 504 KB Output is correct
14 Correct 7 ms 376 KB Output is correct
15 Correct 7 ms 376 KB Output is correct
16 Correct 7 ms 508 KB Output is correct
17 Correct 7 ms 376 KB Output is correct
18 Correct 7 ms 392 KB Output is correct
19 Correct 7 ms 376 KB Output is correct
20 Correct 7 ms 376 KB Output is correct
21 Correct 7 ms 504 KB Output is correct
22 Correct 7 ms 504 KB Output is correct
23 Correct 7 ms 504 KB Output is correct
24 Correct 7 ms 376 KB Output is correct
25 Correct 7 ms 376 KB Output is correct
26 Correct 7 ms 376 KB Output is correct
27 Correct 7 ms 504 KB Output is correct
28 Correct 7 ms 504 KB Output is correct
29 Correct 7 ms 424 KB Output is correct
30 Correct 7 ms 376 KB Output is correct
31 Correct 7 ms 376 KB Output is correct
32 Correct 7 ms 504 KB Output is correct
33 Correct 7 ms 376 KB Output is correct
34 Correct 7 ms 376 KB Output is correct
35 Correct 7 ms 376 KB Output is correct
36 Correct 7 ms 376 KB Output is correct
37 Correct 7 ms 504 KB Output is correct
38 Correct 7 ms 424 KB Output is correct
39 Correct 7 ms 376 KB Output is correct
40 Correct 7 ms 504 KB Output is correct
41 Correct 7 ms 376 KB Output is correct
42 Correct 7 ms 504 KB Output is correct
43 Correct 7 ms 504 KB Output is correct
44 Correct 7 ms 376 KB Output is correct
45 Correct 7 ms 504 KB Output is correct
46 Correct 7 ms 376 KB Output is correct
47 Correct 6 ms 504 KB Output is correct
48 Correct 7 ms 376 KB Output is correct
49 Correct 7 ms 380 KB Output is correct
50 Correct 7 ms 376 KB Output is correct
51 Correct 7 ms 424 KB Output is correct
52 Correct 7 ms 504 KB Output is correct
53 Correct 7 ms 504 KB Output is correct
54 Correct 7 ms 504 KB Output is correct
55 Correct 6 ms 504 KB Output is correct
56 Correct 7 ms 504 KB Output is correct
57 Correct 7 ms 380 KB Output is correct
58 Correct 6 ms 380 KB Output is correct
59 Correct 7 ms 376 KB Output is correct
60 Correct 7 ms 504 KB Output is correct
61 Correct 7 ms 376 KB Output is correct
62 Correct 7 ms 376 KB Output is correct
63 Correct 6 ms 376 KB Output is correct
64 Correct 7 ms 504 KB Output is correct
65 Correct 7 ms 504 KB Output is correct
66 Correct 7 ms 504 KB Output is correct
67 Correct 7 ms 376 KB Output is correct
68 Correct 7 ms 504 KB Output is correct
69 Correct 7 ms 376 KB Output is correct
70 Correct 7 ms 508 KB Output is correct
71 Correct 7 ms 376 KB Output is correct
72 Correct 7 ms 496 KB Output is correct
73 Correct 7 ms 504 KB Output is correct
74 Correct 7 ms 376 KB Output is correct
75 Correct 7 ms 504 KB Output is correct
76 Correct 7 ms 504 KB Output is correct
77 Correct 7 ms 504 KB Output is correct
78 Correct 7 ms 376 KB Output is correct
79 Correct 6 ms 376 KB Output is correct
80 Correct 7 ms 376 KB Output is correct
81 Correct 7 ms 376 KB Output is correct
82 Correct 7 ms 376 KB Output is correct
83 Correct 6 ms 376 KB Output is correct
84 Correct 7 ms 504 KB Output is correct
85 Correct 7 ms 376 KB Output is correct
86 Correct 7 ms 508 KB Output is correct
87 Correct 7 ms 376 KB Output is correct
88 Correct 7 ms 504 KB Output is correct
89 Correct 7 ms 376 KB Output is correct
90 Correct 7 ms 380 KB Output is correct
91 Correct 7 ms 376 KB Output is correct
92 Correct 7 ms 504 KB Output is correct
93 Correct 7 ms 504 KB Output is correct
94 Correct 7 ms 504 KB Output is correct
95 Correct 7 ms 376 KB Output is correct
96 Correct 7 ms 376 KB Output is correct
97 Correct 7 ms 376 KB Output is correct
98 Correct 7 ms 376 KB Output is correct
99 Correct 7 ms 376 KB Output is correct
100 Correct 7 ms 504 KB Output is correct