• • Implement N timers on the imaginary system with only 1 (single) available system timer (assuming timer resolution 1 second)

• • Searching through the 2D array looking for Spiral.

Hope, in opposite of multiple examples on the Net this is more readable code and more accurate implementation...

• • There is a words set, for example: { "smart", "knowledge", "interesting", "apple", "car" } and patterns, for example: { "smar*", "*nowledge", "inte**sting", "apple*", "***" }

Need to Implement search function. Function receives as a parameter some pattern (1) and returns "true" if there is matching word in the words set, for example: giving "smar*" will return "true", but "smart*" or "*smart" should return "false", etc...

• • Playing with Binary Tree