【转】POJ上题目难度排序

花了点时间，把poj的题目数据导入excel，排了个题目通过量，这样就知道难易程度了。

先帖100道，够我用很长时间了，呵呵

编号	名称	通过率	通过	提交	日期
1000	a加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	生理周期	29%	18201	62274	2010-3-6
1007	DNA Sorting	38%	16293	41993	2010-3-6
1001	求高精度幂	23%	14817	63110	2010-3-6
1011	木棒	21%	13915	63469	2010-3-6
1088	滑雪	35%	12176	34717	2010-3-6
1008	玛雅历	30%	10874	35590	2010-3-6
1163	The Triangle	58%	10461	17953	2010-3-6
1012	Joseph	37%	10193	27231	2010-3-6
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	2010-3-6
1664	放苹果	62%	8292	13245	2010-3-6
1218	THE DRUNK JAILER	64%	8177	12645	2010-3-5
2000	Gold Coins	62%	7939	12789	2010-3-6
2388	Who's in the Middle	56%	7882	14053	2010-3-6
1017	Packets	32%	7720	23436	2010-3-6
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	史上最难的问题	56%	6852	12097	2010-3-6
1316	Self Numbers	55%	6826	12194	2010-3-6
2017	Speed Limit	72%	6817	9426	2010-3-6
1658	Eva's Problem	61%	6816	11152	2010-3-6
1517	u Calculate e	61%	6665	10903	2010-3-6
2105	IP Address	57%	6660	11661	2010-3-6
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	青蛙的约会	14%	6361	44265	2010-3-6
1125	Stockbroker Grapevine	54%	5974	11046	2010-3-6
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	2010-3-6
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	取石子游戏	30%	5174	17134	2010-3-6
2081	Recaman's Sequence	42%	5116	12032	2010-3-5
1258	Agri-Net	41%	5106	12285	2010-3-6
1068	Parencodings	59%	5104	8582	2010-3-6
2352	Stars	42%	5077	11954	2010-3-6
2656	Unhappy Jinjin	74%	5055	6821	2010-3-6
2350	Above Average	53%	4979	9358	2010-3-6
1742	Coins	34%	4957	14378	2010-3-5
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	Ugly 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数	63%	4564	7149	2010-3-6
2013	Symmetric Order	62%	4544	7314	2010-3-6
1256	Anagram	40%	4533	11087	2010-3-6
2739	Sum of Consecutive Prime Numbers	58%	4531	7780	2010-3-6
2159	Ancient Cipher	35%	4479	12458	2010-3-6
1844	Sum	64%	4460	6943	2010-3-5
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	2010-3-6
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	食物链	27%	4144	14998	2010-3-6
1157	LITTLE SHOP OF FLOWERS	46%	4128	8900	2010-3-6
2141	Message Decowding