package Interview;
public class Pyramid {
public static void main(String[] args) {
/*
1
111
11111
i=0, k=1 i is height, k=number of 1s
i=1, k=3
i=2, k=5
//i=3, k=7
*/
int ht = 5;
for (int i = 0; i < ht; i++) {
for (int j = ht-i-2; j >= 0; j--) {
System.out.print(" ");
}
for (int k = 0; k < i*2+1; k++) {
System.out.print("1");
}
System.out.print("\n");
}
}
}
Output:
1
111
11111
1111111
111111111