Solved by nahowo

#	Title	# Solved	Avg. Tries
4386	Freckles	9,239	1.70
4485	Obstacle Course	12,992	1.94
4631	Symmetric Order	248	1.50
4673	Self Numbers	73,599	2.02
4821	Page Count	597	2.55
4883	Tri graphs	2,471	3.77
4921	Wooden Blocks	386	2.54
4948	Chebyshev's Theorem	36,679	2.55
4949	The Balance of the World	43,747	3.03
4963	How Many Islands? STANDARD	28,856	2.00
4998	Savings Account	903	1.70
5014	Elevator Trouble	16,293	2.92
5015	ls	386	2.89
5046	Event Planning	890	2.07
5052	Phone List	10,763	3.17
5073	Triangles	23,521	2.11
5086	Factors And Multiples	41,462	1.60
5107	Secret Santa	573	1.78
5235	Even Sum More Than Odd Sum	762	1.36
5430	Integer Lists STANDARD	28,587	4.84
5525	IOIOI	11,779	3.36
5527	전구 장식	401	1.98
5533	유니크	2,749	1.31
5534	간판	616	1.95
5543	상근날드	28,638	1.47
5549	행성 탐사	1,114	1.99
5565	영수증	13,870	1.14
5575	타임 카드	6,970	1.32
5597	Who have not handed in ?	71,720	1.94
5622	BAKA	79,703	1.71
5635	Birthdates	8,953	1.47
5636	Prime Substring	577	2.11
5638	Water Gate Management	127	2.34
5639	Binary Search Tree	14,892	2.61
5671	Different Digits	1,527	1.75
5721	Candy Distribution	755	2.42
5766	Grandpa is Famous	721	1.81
5800	Class Statistics	6,173	1.88
5875	Typo	383	2.78
5883	Cows in a Row	838	2.38
5957	Cleaning the Dishes	365	1.47
5972	Package Delivery	5,244	1.72
6064	Cain Calendar	16,377	3.66
6146	Mud Puddles	414	1.39
6503	Broken Keyboard	332	2.83
6550	All in All	2,641	2.54
6604	Matrix Chain Multiplication	102	1.71
7287	Registration STANDARD	64,306	1.92
7453	4 Values whose Sum is 0	7,342	4.40
7507	Olympic Games	282	2.51

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