求问个算法问题 - V2EX
syahd

求问个算法问题

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  •   syahd Oct 13, 2016 4131 views
    This topic created in 3499 days ago, the information mentioned may be changed or developed.

    在算法设计中,批处理作业调度问题中,应用回溯法搜索排列树的算法框架,设=x=[1,2....,n]是所给的 n 个作业,则相应的排列数由 x[1:n]的所有排列构成,这里的 x[1:n]是什么意思呢,有约定的含义及格式吗? 只问这个概念,主要就是问下 x[1:n]是什么东西!!

    2 replies    2017-07-04 11:06:04 +08:00
    syahd
        1
    syahd  
    OP
       Oct 14, 2016
    厚颜无耻地自顶一次,真心求问啊,谷歌搜过,搜不到
    stackpop
        2
    stackpop  
       Jul 4, 2017
    在很多编程语言里面比如 python,x[1:n] 表示的是数组 x 的子数组, 范围为 1 到 n
    在这里其实就是表示一个区间内的任务的概念
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