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banxi1988
V2EX  ›  程序员

狗年第一天我在 LC 上用 Go 刷了编号为 168 的题。

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  •   banxi1988 ·
    banxi1988 · Feb 16, 2018 · 6972 views
    This topic created in 3186 days ago, the information mentioned may be changed or developed.
    14 replies  •  2018-02-17 11:10:14 +08:00
    azh7138m
    azh7138m
    Feb 16, 2018 via Android
    1
    前段时间不是有个 php 的过来吐槽 Perl 加法吗,了解一下
    alcarl
    alcarl
    Feb 16, 2018 via Android
    2
    @azh7138m perl 加法肿么了⊙∀⊙!
    azh7138m
    azh7138m
    Feb 16, 2018 via Android
    3
    @alcarl 就是这题。。。。
    stzz
    stzz
    Feb 16, 2018 via Android
    4
    打开要登陆,登陆完 404
    Cbdy
    Cbdy
    Feb 16, 2018
    6
    10 进制转 26 进制?
    以前写过一个 10 进制转 62 进制的小方法用来压缩字符串。。。
    banxi1988
    banxi1988
    OP
    Feb 16, 2018
    7
    @Cbdy 基本思路是这样子的。 但是有额外的问题需要处理。
    主要是这个列名中是没有 0 值的。
    0person
    0person
    Feb 16, 2018 via Android
    8
    502
    naiba
    naiba
    Feb 16, 2018 via Android
    9
    你这个叫 LCC 吧
    cheesea
    cheesea
    Feb 16, 2018❤️1
    10
    账户不互通,没有讨论。
    综上 lcc 打入死牢
    banxi1988
    banxi1988
    OP
    Feb 16, 2018
    11
    @0person 已经恢复了。
    @cheesea 这个我又注册了一次。主要是觉得国内版网络应该快一些,可能以后人气也会旺一些。

    又刷了两个吉祥序号题。66 和 88
    hazhaz
    hazhaz
    Feb 16, 2018
    12
    @cheesea 刚开放测试啊,讨论应该是会有的吧,总之不用翻墙了。新年想刷个 666,结果有 665,有 667,结果就是没有 666
    ToT
    ToT
    Feb 17, 2018
    13
    @hazhaz

    LeetCode 666 Path Sum IV

    If the depth of a tree is smaller than 5, then this tree can be represented by a list of three-digits integers.

    For each integer in this list:
    The hundreds digit represents the depth D of this node, 1 <= D <= 4.
    The tens digit represents the position P of this node in the level it belongs to, 1 <= P <= 8. The position is the same as that in a full binary tree.
    The units digit represents the value V of this node, 0 <= V <= 9.
    Given a list of ascending three-digits integers representing a binary with the depth smaller than 5. You need to return the sum of all paths from the root towards the leaves.

    Example 1:
    Input: [113, 215, 221]
    Output: 12
    Explanation:
    The tree that the list represents is:
    3
    / \
    5 1

    The path sum is (3 + 5) + (3 + 1) = 12.
    Example 2:
    Input: [113, 221]
    Output: 4
    Explanation:
    The tree that the list represents is:
    3
    \
    1

    The path sum is (3 + 1) = 4.
    hazhaz
    hazhaz
    Feb 17, 2018
    14
    @ToT lccn 没有啊,老板富啊,美金玩家啊
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