给定一个正数数列，我们可以从中截取任意的连续的几个数，称为片段。例如，给定数列{0.1,0.2,0.3,0.4}，我们有(0.1)(0.1,0.2)(0.1,0.2,0.3)(0.1,0.2,0.3,0.4)(0.2)(0.2,0.3)(0.2,0.3,0.4)(0.3)(0.3,0.4)(0.4)这10个片段。给定正整数数列，求出全部片段包