acm steps chapter2总结

	2.1.1	最小公倍数	76.19%(1200,1575)
	2.1.2	How many prime numbers	33.02%(1335,4043)
	2.1.3	相遇周期	48.98%(625,1276)
	2.1.4	Cake	47.83%(629,1315)
	2.1.5	七夕节	39.23%(739,1884)
	2.1.6	找新朋友	50.90%(704,1383)
	2.1.7	The area	83.19%(574,690)
	2.1.8	Leftmost Digit	46.90%(628,1339)

2.1 数论中素数相关以其他部分常用技巧

	2.2.1	Fibonacci	48.55%(739,1522)
	2.2.2	Joseph	61.37%(688,1121)
	2.2.3	汉诺塔VII	77.05%(517,671)
	2.2.4	Wolf and Rabbit	58.50%(616,1053)
	2.2.5	三角形	75.27%(274,364)
	2.2.6	Number Sequence	39.92%(301,754)
	2.2.7	Digital Roots	43.49%(257,591)
	2.2.8	Examining the Rooms	59.56%(215,361)

2.2 数论中的常用公式

	2.3.1	A + B Problem II	41.96%(449,1070)
	2.3.2	Exponentiation	26.65%(307,1152)
	2.3.3	Big Number	68.68%(329,479)
	2.3.4	Hat's Fibonacci	43.47%(343,789)
	2.3.5	Buy the Ticket	48.66%(382,785)
	2.3.6	Game of Connections	66.08%(265,401)
	2.3.7	下沙的沙子有几粒？	60.64%(285,470)
	2.3.8	小兔的棋盘	64.97%(280,431)

2.3 大数运算及关于组合的DP问题