#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 |
