Pattern

Question

I was stuck with a pattern. Can some one help me.
Note that input represents the number of rows.

input:- 5
output:-
15
14 10
13 09 06
12 08 05 03
11 07 04 02 01

input:- 7
output:-
28
27 21
26 20 15
25 19 14 10
24 18 13 09 06
23 17 12 08 05 03
22 16 11 07 04 02 01

Answer 1

You can either derive a formula for the number in the i-th row and j-th column. Or, you can use a print buffer (2-dim array) and first write to memory, and then print the memory representation of your pattern.