Submission #336686

#	Time	Username	Problem	Language	Result	Execution time	Memory
336686		tengiz05	"The Lyuboyn" code (IZhO19_lyuboyn)	C++17	69 / 100	170 ms	6508 KiB

lyuboyn

#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, cnt;
 
void bin(int a){
	
	for(int i = n-1; i >=0 ;i--)
		cout << (a&(1<<i) ? "1" : "0");
	cout << '\n';
}
 
int main(){
	fastios 
	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++, cnt++)
		if(s[i] == '1') a += (1<<i);
	
	vector<int>ans;
	ans.reserve(1<<22);
	ans.pb(0);
	ans.pb(1);
	
	int mx = (1<<(k+1)) - 1;
	while(sz(ans) < (1<<(k+1))){
		cnt++;
		int add = sz(ans), size = sz(ans);
		for(int i = size-1; i>=0; i--, cnt++) ans.pb(ans[i] + add);
	}
	
	for(int i=0;i<sz(ans);i++, cnt++) if(i % 2 == 0) ans[i] ^= mx;
	mx = (1<<(k-1)) -1;
	
	while(sz(ans) < (1<<n)){
		cnt++;
		int add = sz(ans), size = sz(ans);
		for(int i = size-1; i>=0; i--, cnt++) ans.pb((ans[i] + add) ^ mx);
	}
	
	int start = 0;
	for(int i=0;i<(1<<n);i++, cnt++) if(ans[i] == a) start = i;
	
	cout << (1<<n) << '\n';
	int size = (1<<n);
	int C = 0;
	for(int i=start+1; i != start; i++){
		if(i == size+1) i = 1;
		bin(ans[i-1]);C++;
		if(C > 1<<n)break;
	}
	bin(ans[start-1]);
	//cout<<cnt<<"\n";
	return 0;
}

• 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: 0 / 31
• Subtask 8: 17 / 17