Submission #291054

#	Time	Username	Problem	Language	Result	Execution time	Memory
291054		Autoratch	"The Lyuboyn" code (IZhO19_lyuboyn)	C++14	5 / 100	1091 ms	5752 KiB

lyuboyn

#include <bits/stdc++.h>
using namespace std;

const int N = 1<< 18;

int n,k,t,s;
string ss;
bool used[N];
set<int> r;

int main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);

	cin >> n >> k >> t >> ss;
	for(int i = 0;i < n;i++) if(ss[i]=='1') s+=(1 << i);
	cout << (1 << n) << '\n' << ss << '\n';
	used[s] = true;
	for(int i = 1;i < (1 << n);i++)
	{
		while(true)
		{
			r.clear();
			while(r.size()<k) r.insert(rand()%n);
			int t = s;
			for(int x : r) t^=(1 << x);
			if(!used[t]){ s = t; break; }
		}
		used[s] = true;
		for(int j = 0;j < n;j++) cout << (bool)((1 << j)&s);
		cout << '\n';
	}
}

Compilation message (stderr)

lyuboyn.cpp: In function 'int main()':
lyuboyn.cpp:24:18: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |    while(r.size()<k) r.insert(rand()%n);
      |          ~~~~~~~~^~

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