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[leetcode]Math-413. Arithmetic Slices
A sequence of number is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is the ...
分类:其他好文   时间:2018-01-13 20:53:25    阅读次数:104
Binary Search Tree-530. Minimum Absolute Difference in BST
Given a binary search tree with non-negative values, find the minimum absolute difference between values of any two nodes. Example: Note: There are at ...
分类:其他好文   时间:2018-01-13 11:22:06    阅读次数:148
Python_Tips[6] -> is 和 == 的区别
is和==的区别 / Difference between is and == 对于Python的对象来说,具有id/type/value三种特性,而在判断两个相等的is和==中,分别是对对象的id和value进行判断,以下例子可以看出两者的不同之处, 从查看的结果来看,x和y的值相同,但是id却不 ...
分类:编程语言   时间:2018-01-07 14:29:16    阅读次数:157
Difference Between Session.run and Tensor.eval
【Question】: TensorFlow has two ways to evaluate part of graph: Session.run on a list of variables and Tensor.eval. Is there a difference between these ...
分类:其他好文   时间:2018-01-05 01:24:35    阅读次数:171
identity in sql server
https://stackoverflow.com/questions/1920558/what-is-the-difference-between-scope-identity-identity-identity-and-ide The @@identity function returns th ...
分类:数据库   时间:2018-01-02 18:43:21    阅读次数:127
【转载】原码,补码,反码
忘记基础的速度真可怕。加油~ You are, and you always will be making a difference. 1. 原码 原码就是符号位加上真值的绝对值, 即用第一位表示符号, 其余位表示值. 比如如果是8位二进制: [+1]原 = 0000 0001 [-1]原 = 10 ...
分类:其他好文   时间:2017-12-31 21:10:00    阅读次数:134
Codeforces 903D Almost Difference
Codeforces 903D Almost Difference ...
分类:其他好文   时间:2017-12-27 00:16:16    阅读次数:204
Educational Codeforces Round 34 (Rated for Div. 2) D. Almost Difference[数据结构]
题意:求一个数列中所有的绝对值差大于2的数,并用后面的数字减前面的数字的加和。 分析:可以用树状数组每次找前面的差值大于2的数,也可以直接每次加前面所有的数字,再减去差值为1的数字。题目最坑爹的是答案也许会爆long long,可以用long double或者使用unsigned long long ...
分类:其他好文   时间:2017-12-26 20:56:55    阅读次数:141
594. Longest Harmonious Subsequence
We define a harmonious array is an array where the difference between its maximum value and its minimum value is exactly 1. Now, given an integer arra ...
分类:其他好文   时间:2017-12-25 11:30:46    阅读次数:109
CF903 D.Almost Difference
题目链接:http://codeforces.com/problemset/problem/903/D 题目大意:就是给你n个数a1,a2,…,an,然后在1到n范围内求函数d(x,y)的和。 这道题可以这么想,就是先不考虑x,y的大小关系,直接认为d(x,y)= y - x 。记最后结果为sum, ...
分类:其他好文   时间:2017-12-21 01:49:19    阅读次数:190
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