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Palindrome Number之Java实现
给定一个整数,判断该数值是否为回文数。
分类:编程语言   时间:2019-05-13 10:35:35    阅读次数:111
Java String
部分整理自Stack Overflow: Java String: Q: I have some question that I wonder about. I know that string are immutable in Java and therefore a new string obj ...
分类:编程语言   时间:2019-03-17 13:57:23    阅读次数:135
英文论文常用句子
ABSTRACT In this paper, we propose a novel Deep Reinforcement Learning framework for news recommendation . Therefore, to address the aforementioned ch ...
分类:其他好文   时间:2019-03-05 21:29:09    阅读次数:251
JS中的跨域问题
跨域访问出错信息:No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:9100' is therefore not allowed access. ...
分类:Web程序   时间:2019-02-13 20:54:52    阅读次数:209
Nuclear Power Plant ZOJ - 3840 树形dp
There are N (1 ≤ N ≤ 105) cities on land, and there are N - 1 wires connecting the cities. Therefore, each city can transmit electricity to all other ...
分类:其他好文   时间:2019-02-07 22:05:50    阅读次数:153
#Leetcode# 451. Sort Characters By Frequency
https://leetcode.com/problems/sort-characters-by-frequency/ Given a string, sort it in decreasing order based on the frequency of characters. Example ...
分类:其他好文   时间:2019-01-30 20:53:43    阅读次数:199
PowerBI 安全
在Manage Roles中设置Table Filter: The USERNAME() DAX function returns the user's domain login in the format domain\user) locally, but returns the user pri ...
分类:其他好文   时间:2019-01-30 15:57:15    阅读次数:238
【LeetCode】数组
https://leetcode.com/tag/array/ ...
分类:编程语言   时间:2019-01-20 11:46:13    阅读次数:171
多项式求逆
想了想还是分开来发好了 求 $B$ 满足 $AB \equiv 1 \pmod{x^{2n}}$ 假设已经求出 $B_0$ 满足 $AB_0 \equiv 1 \pmod{x^n}$ $\because B B_0\equiv 0 \pmod{x^n}$ $\therefore B^2 2BB_0+ ...
分类:其他好文   时间:2019-01-13 14:25:13    阅读次数:186
花神的数论题
题面 题解 数位dp都是套路题 设$f[i][0/1][k][l]$表示$dp$到第$i$位,是否卡上界,现在$1$的个数为$k$,所求的$1$的个数为$l$的方案数 转移看一下代码吧,很好懂的。 $\because10^7+7$不是质数,$\therefore\;f$要开$\text{long l ...
分类:其他好文   时间:2019-01-05 13:29:06    阅读次数:158
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