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2447.cpp
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2447.cpp
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#include<cstdio>
using namespace std;
char arr[6200][6200];
void star(int y, int x, int n) {
if (n == 0) return;
if (n % 3 == 0) {
arr[y][x] = '*';
arr[y][x + 1] = '*';
arr[y][x + 2] = '*';
arr[y + 1][x] = '*';
arr[y + 1][x + 2] = '*';
arr[y + 2][x] = '*';
arr[y + 2][x + 1] = '*';
arr[y + 2][x + 2] = '*';
}
star(y, x, n / 3);
star(y, x + n / 3, n / 3);
star(y, x + (2 * n / 3), n / 3);
star(y + n / 3, x, n / 3);
star(y + n / 3, x + (2 * n / 3), n / 3);
star(y + (2 * n / 3), x, n / 3);
star(y + (2 * n / 3), x + n / 3, n / 3);
star(y + (2 * n / 3), x + (2 * n / 3), n / 3);
}
int main() {
int n;
scanf("%d", &n);
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
arr[i][j] = ' ';
}
}
star(0, 0, n);
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
printf("%c", arr[i][j]);
}
printf("\n");
}
return 0;
}