list of classical problems

97864-noip-problems-and-similar

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
1475	Play with Digit Seven	3	136	38.22	28 12
1536	Help Blue Mary Please! (Act III)		30	14.42
1552	Mobiles		192	28.32	28 23
1553	Backup Files	3	997	21.52	17 34
1554	Zoo		115	28.60
1671	Another Mathematical Problem		69	12.36	1 17
1687	Logic II	1	36	17.65	34 34
1688	A Very Easy Problem!	40	6172	49.09	12 11
2005	Minus Operation	8	307	33.47	30 30
2007	Another Very Easy Problem! WOW!!!	17	792	39.04	13 28
2008	Dab of Backpack	17	674	23.80	21 17
2070	Minimum Distance		86	16.85	17 1
3105	Power Modulo Inverted	6	1155	27.55	15 23
3464	Clock	3	66	36.47	34 9