Submission #384515

#	Time	Username	Problem	Language	Result	Execution time	Memory
384515		dorijanlendvaj	"The Lyuboyn" code (IZhO19_lyuboyn)	C++14	100 / 100	115 ms	5380 KiB

lyuboyn

#include <bits/stdc++.h>
#define x first
#define y second
#define pii pair<int,int>
using namespace std;
using ll=long long;
#define pll pair<ll,ll>
#define vi vector<int>
#define vl vector<ll>
#define pb push_back
#define eb emplace_back
#define all(a) begin(a),end(a)

const int N=300010,MOD=1e9+7;
const char en='\n';
const ll LLINF=1ll<<60;
int k,n,t;
string s;

void flip(vi v)
{
	for (auto a: v) s[a]^=1;
	cout<<s<<en;
}

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cin>>n>>k>>t>>s;
	if (k%2==0)
	{
		cout<<-1<<en;
		exit(0);
	}
	cout<<(1<<n)<<en<<s<<en;
	for (int i=0;i<(1<<(n-k-1));++i)
	{
		if (i)
		{
			vi v;
			v.pb(k+1+__builtin_ctz(i));
			for (int j=0;j<k-1;++j) v.pb(j);
			flip(v);
		}
		for (int j=1;j<(1<<(k+1));++j)
		{
			int av=__builtin_ctz(j);
			vi v;
			for (int z=0;z<=k;++z) if (z!=av) v.pb(z);
			flip(v);
		}
	}
}

• Subtask 1: 0 / 0
• Subtask 2: 5 / 5
• Subtask 3: 3 / 3
• Subtask 4: 11 / 11
• Subtask 5: 15 / 15
• Subtask 6: 18 / 18
• Subtask 7: 31 / 31
• Subtask 8: 17 / 17