Created
October 15, 2019 15:35
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#include <iostream> | |
using namespace std; | |
char mat[500][500]; | |
void print(int n, int x, int y) { | |
if (n == 1) { | |
mat[x][y] = '*'; | |
return; | |
} | |
int size = 4 * (n - 1) + 1; | |
for (int j = y; j < y + size; j++) { | |
mat[x][j] = '*'; | |
mat[x + size - 1][j] = '*'; | |
} | |
for (int i = x; i < x + size; i++) { | |
mat[i][y] = '*'; | |
mat[i][y + size - 1] = '*'; | |
} | |
print(n - 1, x + 2, y + 2); | |
return; | |
} | |
int main(void) { | |
ios_base::sync_with_stdio(false); | |
cin.tie(nullptr); | |
int n; | |
cin >> n; | |
for (int i = 0; i < 4 * (n - 1) + 1; i++) { | |
for (int j = 0; j < 4 * (n - 1) + 1; j++) { | |
mat[i][j] = ' '; | |
} | |
} | |
print(n, 0, 0); | |
for (int i = 0; i < 4 * (n - 1) + 1; i++) { | |
for (int j = 0; j < 4 * (n - 1) + 1; j++) { | |
cout << mat[i][j]; | |
} | |
cout << '\n'; | |
} | |
cout << '\n'; | |
return 0; | |
} |
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