Fraktaali

#include <iostream>
#include <bitset>

int main() {
	int n;
	static char buf[(1 << 10) + 2];
	std::cin >> n;
	int w = 1 << (n - 1);
	for (int i = 0; i < w; ++i) {
		for (int j = 0; j < w; ++j) {
			std::bitset<10> b(i & j);
			buf[j] = "#."[b.count() & 1];
		}
		buf[w] = '\n';
		std::cout << buf;
	}
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED

Test 4

Group: 4

Verdict: ACCEPTED

Test 5

Group: 5

Verdict: ACCEPTED

Test 6

Group: 6

Verdict: ACCEPTED

Test 7

Group: 7

Verdict: ACCEPTED

Test 8

Group: 8

Verdict: ACCEPTED

Test 9

Group: 9

Verdict: ACCEPTED

Test 10

Group: 10

Verdict: ACCEPTED