2016年10月3日
poj2248——Addition Chains（迭代加深搜索）
摘要： Description An addition chain for n is an integer sequence <a0, a1,a2,...,am="">with the following four properties: a0 = 1 am = n a0 < a1 < a2 < ... < 阅读全文
posted @ 2016-10-03 21:46 deadshotz 阅读(258) 评论(0) 推荐(1)