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Write a program or function to print the following cube (if you allow me to call it so) in different sizes:
^L^L^L^L^L^L^L^L^L^L^L
//^L^L^L^L^L^L^L^L^L^L^L
////^L^L^L^L^L^L^L^L^L^L^L
//////^L^L^L^L^L^L^L^L^L^L^L
////////^L^L^L^L^L^L^L^L^L^L^L
/////////...
Is it a Lobster Number?
Introduction
A "lobster number", by my own designation, is a number that contains within itself all of its prime factors. The "lobster" description was inspired by the recent question "Speed of Lobsters". The basic idea is that each prime factor can be made by lobsters m...0
How to place exactly 2 elements in every 2x2 sub array in nxn int array such that the sum is maximum?
For example, if you have 3x3 array [5 1 4] [1 8 2 ] [1 7 1] you will place in the following way (every 2x2 sub array we place exactly 2 elements denoted as p) to maximize the sum
[p 1 p] [1 p 2] ...
