#include <stdio.h> int main() { int num = 0; while (scanf("%d", &num) != EOF) { for (int i = 0; i < num; i++) { for (int j = 0; j < num; j++) { if (j == i || j == num - i-1) { printf("*"); } else { printf(" "); } } printf("\n"); } } return 0; }