POJ question difficulty sorting and poj question difficulty sorting

[Switch] sorting of question difficulty on POJ and sorting of question difficulty on poj

It took some time to import the question data of poj to excel, so that you can know the difficulty level.

Post 100 first. It takes a long time for me.

No.	Name	Pass rate	Pass	Submit	Date
1000	A and B	53%	85105	158028	2010-3-6
1004	Financial Management	48%	28378	58467	2010-3-6
1003	Hangover	46%	24483	52133	2010-3-6
1002	487-3279	17%	20927	122297	2010-3-6
1005	I Think I Need a Houseboat	40%	19549	47854	2010-3-6
1006	Physiological cycle	29%	18201	62274	2010-3-6
1007	DNA Sorting	38%	16293	41993	2010-3-6
1001	Power of High Precision	23%	14817	63110	2010-3-6
1011	Sticks	21%	13915	63469	2010-3-6
1088	Skiing	35%	12176	34717	2010-3-6
1008	Maya calendar	30%	10874	35590	2010-3-6
1163	The Triangle	58%	10461	17953	2010-3-6
1012	Joseph	37%	10193	27231	2010-3-
1050	To the Max	51%	9773	18954	2010-3-6
1159	Palindrome	33%	9287	27778	2010-3-6
1207	The 3n + 1 problem	31%	8833	28000	2010-3-6
2027	No Brainer	69%	8821	12784	2010-3-6
1046	Color Me Less	47%	8524	17998	2010-3-
1664	Put Apple	62%	8292	13245	2010-3-6
1218	THE DRUNK JAILER	64%	8177	12645	2010-3-5
2000	Gold Coins	62%	7939	12789	2010-3-
2388	Who's in the Middle	56%	7882	14053	2010-3-6
1017	Packets	32%	7720	23436	2010-3-
1013	Counterfeit Dollar	30%	7365	23765	2010-3-6
2262	Goldbach's Conjecture	40%	6999	17177	2010-3-6
1014	Dividing	24%	6868	28079	2010-3-6
1298	The most difficult problem in history	56%	6852	12097	2010-3-6
1316	Self Numbers	55%	6826	12194	2010-3-6
2017	Speed Limit	72%	6817	9426	2010-3-
1658	Eva's Problem	61%	6816	11152	2010-3-6
1517	U Calculate e	61%	6665	10903	2010-3-
2105	IP Address	57%	6660	11661	2010-3-
1552	Doubles	55%	6640	11961	2010-3-5
1273	Drainage Ditches	35%	6429	17881	2010-3-6
1458	Common Subsequence	38%	6380	16561	2010-3-6
1028	Web Navigation	43%	6373	14595	2010-3-6
1061	Frog appointment	14%	6361	44265	2010-3-6
1125	Stockbroker Grapevine	54%	5974	11046	2010-3-
2140	Herd Sums	59%	5941	9924	2010-3-6
1936	All in All	39%	5926	15044	2010-3-6
2503	Babelfish	44%	5845	13276	2010-3-6
1519	Digital Roots	32%	5771	17530	2010-3-5
2301	Beat the Spread!	48%	5563	11495	2010-3-
1503	Integer Inquiry	39%	5531	14110	2010-3-6
2533	Longest Ordered Subsequence	42%	5419	12771	2010-3-6
2390	Bank Interest	60%	5341	8887	2010-3-5
1401	Factorial	62%	5247	8379	2010-3-6
2136	Vertical Histogram	47%	5181	10920	2010-3-6
1657	Distance on Chessboard	35%	5176	14786	2010-3-5
1067	Stone game	30%	5174	17134	2010-3-6
2081	Recaman's Sequence	42%	5116	12032	2010-3-
1258	Agri-Net	41%	5106	12285	2010-3-6
1068	Parencodings	59%	5104	8582	2010-3-6
2352	Stars	42%	5077	11954	2010-3-
2656	Unhappy Jinjin	74%	5055	6821	2010-3-6
2350	Above Average	53%	4979	9358	2010-3-6
1742	Coins	34%	4957	14378	2010-3-
1363	Rails	39%	4900	12300	2010-3-6
2299	Ultra-QuickSort	35%	4895	13889	2010-3-6
1979	Red and Black	53%	4880	9042	2010-3-6
2509	Peter's smokes	40%	4872	11970	2010-3-6
2521	How much did the businessman lose	67%	4867	7216	2010-3-6
2406	Power Strings	41%	4859	11654	2010-3-6
3264	Balanced Lineup	47%	4853	10275	2010-3-6
2524	Ubiquitous Religions	46%	4836	10382	2010-3-5
1663	Number Steps	53%	4827	9021	2010-3-6
1019	Number Sequence	26%	4822	18324	2010-3-6
1504	Adding Reversed Numbers	55%	4795	8585	2010-3-6
2104	K-th Number	25%	4782	18431	2010-3-5
1338	Uugly Numbers	44%	4745	10757	2010-3-6
2479	Maximum sum	30%	4739	15694	2010-3-6
1459	Power Network	54%	4734	8650	2010-3-5
1922	Ride to School	39%	4721	11898	2010-3-6
1080	Human Gene Functions	55%	4684	8451	2010-3-6
2602	Superlong sums	29%	4648	15972	2010-3-6
3062	Celebrity jeopardy	55%	4577	8267	2010-3-6
1565	Skew count	63%	4564	7149	2010-3-6
2013	Invalid Ric Order	62%	4544	7314	2010-3-6
1256	Ansible	40%	4533	11087	2010-3-6
2739	Sum of Consecutive Prime Numbers	58%	4531	7780	2010-3-6
2159	Ancient Cipher	35%	4479	12458	2010-3-
1844	Sum	64%	4460	6943	2010-3-
1045	Bode Plot	67%	4451	6558	2010-3-6
1423	Big Number	31%	4443	14163	2010-3-6
1915	Knight Moves	44%	4404	9885	2010-3-6
3094	Quicksum	69%	4379	6288	2010-3-
1032	Parliament	42%	4328	10228	2010-3-6
3030	Nasty Hacks	72%	4278	5890	2010-3-6
1543	Perfect Cubes	53%	4272	7933	2010-3-6
2386	Lake Counting	50%	4270	8412	2010-3-6
3673	Cow Multiplication	65%	4264	6461	2010-3-6
3278	Catch That Cow	30%	4260	13900	2010-3-6
2421	Constructing Roads	39%	4252	10664	2010-3-6
1953	World Cup Noise	49%	4248	8586	2010-3-6
2665	Trees	68%	4221	6126	2010-3-6
2578	Keep on Truckin'	74%	4211	5672	2010-3-5
1182	Food Chain	27%	4144	14998	2010-3-6
1157	LITTLE SHOP OF FLOWERS	46%	4128	8900	2010-3-6
2141	Message Decowding