list of classical problems

97864-noip-problems-and-similar

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
1475	Play with Digit Seven	3	121	36.53	34 14
1536	Help Blue Mary Please! (Act III)		29	21.26
1552	Mobiles		183	27.63	34 34
1553	Backup Files	3	749	19.39	9 42
1554	Zoo		110	29.26
1671	Another Mathematical Problem		60	11.37
1687	Logic II	1	24	12.50	34 34
1688	A Very Easy Problem!	40	6161	49.23	12 11
2005	Minus Operation	8	304	33.22	30 30
2007	Another Very Easy Problem! WOW!!!	17	758	39.00	13 28
2008	Dab of Backpack	17	667	23.63	21 17
2070	Minimum Distance		77	19.18	17 1
3105	Power Modulo Inverted	6	963	25.80	15 23
3464	Clock	3	47	35.23	34 9