#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
//#define mp make_pair
#define ub upper_bound
#define lb lower_bound
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<ll, ll>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(),x.rend()
#define prc(n) fixed << setprecision(n)
#define fastios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define pi acos(-1);
const int inf = 1e9+7;
const int N = 105;
int n, k, t, a;
string bin(int a){
string s;
while(a){
s.pb(char((a%2) + '0'));
a/=2;
}
while(sz(s) < n) s.pb('0');
reverse(all(s));
return s;
}
int main(){
cin>>n>>k>>t;
if(k%2 == 0){
cout<<-1;
return 0;
}
string s;
cin>>s;
reverse(all(s));
for(int i=0;i<sz(s);i++)
if(s[i] == '1') a += (1<<i);
vector<int>ans = {0, 1};
int mx = (1<<(k+1)) - 1;
while(sz(ans) < (1<<(k+1))){
int add = sz(ans), size = sz(ans);
for(int i = size-1; i>=0; i--)
ans.pb(ans[i] + add);
}
if(sz(ans) == (1<<n)){
for(int i = 0; i< sz(ans); i++)
if(i % 2 == 0) ans[i] = (mx ^ ans[i]);
}
else{
while(sz(ans) < (1<<n)){
int add = sz(ans), size = sz(ans);
for(int i = size-1; i>=0; i--)
ans.pb(ans[i] + add);
for(int i = 0; i< sz(ans); i++)
if(i % 2 == 0) ans[i] = (mx ^ ans[i]);
mx++;
}
}
int start;
for(int i=0;i<(1<<n);i++){
if(ans[i] == a) start = i;
}
cout<<(1<<n)<<"\n";
int size = (1<<n);
for(int i=start+1;i != start;i++){
if(i == size+1) i = 1;
cout<<bin(ans[i-1])<<"\n";
}
cout<<bin(ans[start-1])<<"\n";
return 0;
}
Compilation message
lyuboyn.cpp: In function 'int main()':
lyuboyn.cpp:82:21: warning: 'start' may be used uninitialized in this function [-Wmaybe-uninitialized]
82 | cout<<bin(ans[start-1])<<"\n";
| ~~~~~^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
364 KB |
Ok |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
364 KB |
Ok |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
364 KB |
Ok |
| 2 |
Correct |
0 ms |
364 KB |
Ok |
| 3 |
Correct |
1 ms |
384 KB |
Ok |
| 4 |
Correct |
0 ms |
364 KB |
Ok |
| 5 |
Correct |
0 ms |
364 KB |
Ok |
| 6 |
Correct |
0 ms |
364 KB |
Ok |
| 7 |
Correct |
1 ms |
384 KB |
Ok |
| 8 |
Correct |
0 ms |
364 KB |
Ok |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
84 ms |
6496 KB |
Fail, not exactly k bits are different: line = 0 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
3 ms |
620 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
86 ms |
6484 KB |
Fail, not exactly k bits are different: line = 5 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
84 ms |
6496 KB |
Fail, not exactly k bits are different: line = 0 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
38 ms |
3300 KB |
Fail, not exactly k bits are different: line = 9014 |
| 2 |
Halted |
0 ms |
0 KB |
- |
