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| #include <iostream>
#include <math.h>
#include <algorithm>
using namespace std;
char arr[2187][2187];
int N;
void print()
{
for (int i = 0; i < N; i++)
{
for (int j = 0; j < N; j++)
{
cout << arr[i][j];
}
cout << endl;
}
}
void draw(int x, int y,int length, bool tf)
{
if (length == 1 && tf)
{
arr[x + 1][y + 1] = ' ';
return;
}
if (length == 1 && !tf)
{
for (int i = x; i < x+3; i++)
{
for (int j = y; j < y+3; j++)
{
arr[i][j] = ' ';
}
}
return;
}
draw(x, y, length - 1, tf);
draw(x + pow(3, length - 1), y, length - 1, tf);
draw(x + (pow(3, length - 1) * 2), y, length - 1, tf);
draw(x, y +pow(3, length - 1), length - 1, tf);
draw(x + pow(3, length - 1), y + pow(3, length - 1), length - 1, false);
draw(x + (pow(3, length - 1) * 2), y + pow(3, length - 1), length - 1, tf);
draw(x, y + (pow(3, length - 1) * 2), length - 1, tf);
draw(x + pow(3, length - 1), y + (pow(3, length - 1) * 2), length - 1, tf);
draw(x + (pow(3, length - 1) * 2), y + (pow(3, length - 1) * 2), length - 1, tf);
}
int main(void)
{
cin >> N;
int num=3;
for (int i = 0; i < 8; i++)
{
if (num == N)
{
num = i+1;
break;
}
num = num * 3;
}
for (int i = 0; i < N; i++)
{
for (int j = 0; j < N; j++)
{
arr[i][j] = '*';
}
}
draw(0, 0, num, true);
print();
}
|
