#include <stdio.h> int main () { int n, m = 1; printf ("Enter the number of columns"); scanf ("%d", &n); for (int i = 1; i <= n; i++) { for (int j = 1; j <= i; j++) { printf ("*"); } printf ("\n"); } for (int i = n - 1; i >= 1; i--) { for (int j = 1; j <= i; j++) { printf ("*"); } printf ("\n"); } return 0; }
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