Fraktaali

#include <iostream>
#include <string>
#include <cmath>
 
using namespace std;
 
bool fractalAt(int x, int y) {
    if (x == 0 && y == 0) return false;
    int l = log2(max(x, y));
    int ppt = pow(2, l), cx = 0, cy = 0;
    bool invert = false;
    if (x >= ppt) cx = 1;
    if (y >= ppt) cy = 1;
    if (cx == 1 && cy == 1) invert = true;
    if (x >= y) {
        if (invert) return !fractalAt(x - ppt, y);
        if (!invert) return fractalAt(x - ppt, y);
    } else {
        if (invert) return !fractalAt(x, y - ppt);
        if (!invert) return fractalAt(x, y - ppt);
    }
    return false;
}
 
int main(int argc, const char * argv[]) {
    int n;
    cin >> n;
    int d = pow(2, n-1);
    for (int i = 0; i < d; i++) {
        for (int j = 0; j < d; j++) {
            string s;
            bool state = fractalAt(i, j);
            if (state == false) s = "#";
            if (state == true) s = ".";
            cout << s;
        }
        cout << endl;
    }
    return 0;
}

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