Recursion problems

	Problem Name	Online Judge	Contest	Difficulty Level
1	I'm bored with life	Codeforces	Codeforces Round #422 (Div. 2)	1
2	Fibonacci Array	URI		1
3	Hello Recursion	SPOJ		2
4	THE WEIRD STAIRCASE	SPOJ		3
5	PICK UP DROP ESCAPE	SPOJ		3