将变量存储到txt，以便观察。...

numpy.hstack(tup)Stackarraysinsequencehorizontally(columnwise).Takeasequenceofarraysandstackthemhorizontallytomakeasinglearray.Rebuildarraysdividedby hspli...

http://docs.scipy.org/doc/numpy/reference/generated/numpy.random.uniform.html#numpy.random.uniform   http://docs.scipy.org/doc/ http://docs....

Givenacollectionofnumbersegments,youaresupposedtorecoverthesmallestnumberfromthem.Forexample,given{32,321,3214,0229,87},wecanrecovermanynumberssuchlike32-321-32...

Anumberthatwillbethesamewhenitiswrittenforwardsorbackwardsisknownasa PalindromicNumber.Forexample,1234321isapalindromicnumber.Allsingledigitnumbersarepalin...

1023 HaveFunwithNumbers (20 分) Noticethatthenumber123456789isa9-digitnumberconsistingexactlythenumbersfrom1to9,withnoduplication.Doubleitwew...

Anumberthatwillbethesamewhenitiswrittenforwardsorbackwardsisknownasa PalindromicNumber.Forexample,1234321isapalindromicnumber.Allsingledigitnumbersarepalin...

题目地址： http://acm.hdu.edu.cn/showproblem.php?pid=1711AC代码： #include<iostream>#include<cstdio>#include<cstdlib>#include<cmath>#i...

 classSolution(object):defletterCombinations(self,digits):""":typedigits:str:rtype:List[str]"""ifdigits=="":return[]nums_to_letters={2:"abc",3:"def",4:"ghi...

小键盘问题在Xshell6上用vi的时候，开NumLock时按小键盘上的数字键并不能输入数字，而是出现一个字母然后换行（实际上是命令模式上对应上下左右的键）。解决方法选项Terminal->Features里，找到Disableapplicationkeypadmode，选上就可以了在xmanager4中的xsh...

 classSolution(object):defisPalindrome(self,x):""":typex:int:rtype:bool"""s=str(x)if(s==s[::-1]):returnTrueelse:returnFalse ...

 classSolution(object):defaddTwoNumbers(self,l1,l2):l3=ListNode(0)current=l3carry=0whilel1orl2:#1,1|None,1|1,None#Pad0ifNoneifl1isNone:l1v=0else:l1v=l1.val...

 #Definitionforsingly-linkedlist.classListNode(object):def__init__(self,x):self.val=xself.next=NoneclassSolution(object):defaddTwoNumbers(self,l1,l2):l3=Li...

 [root@localhost~]#mongod--dbpath=/usr/local/mongodb/data--logpath=/usr/local/mongodb/logs--logappend--port=27017--forkabouttoforkchildprocess,waitinguntil...

importjava.util.ArrayList;importjava.util.List;importjava.util.Scanner;publicclassTest{publicstaticvoidmain(String[]args){/***2.求一个整型数字中有没有相同的部分，例如12386123这个整型数...