dslam distance

Given a binary tree, find its minimum depth.The minimum depth is the number of nodes along, the shortest path from the root node to the nearest leaf node.classSolution:#@param root, a tree node #@return An integerMINDEP =-1defmindepth (self, root):ifRoot isNone:return0 self.helper (Root,1) returnSELF.MINDEP#@param DEP, currently the first level defHelper (SELF,ROOT,DEP):ifRoot.left isNone andRoot.right isNone:ifSelf.mindep is-1: SELF.MINDEP=DEPelifSELF.MINDEP >Dep:self.minDep=DEPifD

= Urlopen (' http://api.map.baidu.com/geocoder?address= %soutput=xmlkey=%s '% (addr, key)) dom = parsestring (Doc.read ()) lat = Doc.getelementsbytagname (' Lat ') [0].firstchild.data LNG = doc.getelementsbytagname (' LNG ') [0].firstchild.data return map (lat , LNG)) calculating distance between cities according to latitude and longitude def distance (A1, A2): Loc1, loc2 = getlocatio

This article describes the PHP calculation of Baidu map Two GPS coordinates of the distance between the method. Share to everyone for your reference. The implementation methods are as follows: Copy Code code as follows: /** * Calculate the distance between two coordinates (m) * @param float $fP 1Lat starting point (latitude) * @param float $fP 1Lon starting point (longitude) * @param float

In Away3d development, it is sometimes necessary to compute the distance or midpoint between two points (Vector3D). Suppose to have the following V1, v2 two coordinate points. Distance between 1 and two points (length of segment) var v1:vector3d = new Vector3D (0,0,0);var v2:vector3d = new Vector3D (200,200,200);var lenght:number = v1.subtract (v2). length; 346.41016151377545 Midpoint between 2, two po

Help coal mine customers adjusted for many years terminal resistance, summed up some of the experience for everyone to reference, no reference theory, but are the result of practice. About the terminal resistor: We always remember can terminal to add 120 euro, but that is a short distance impedance matching results, if in the long-distance or add 120 kohm will be very harmful to the signal, because the can

This problem, I met in Alibaba interview, Google's pen questions ... Set A and B are 2 strings. To convert string A to string B with a minimum of character manipulation. The character operations described here include: (1) Delete a character;(2) inserting a character;(3) Change one character to another character.The minimum character operand used to transform string A into string B is called the editing distance of the string A through B, which is re

Leetcode 461. Hamming Distance Topics The Hamming distance between and integers is the number of positions at which, the corresponding bits is different. Given integers x and y, calculate the Hamming distance. Solution: Class Solution {public : int hammingdistance (int x, int y) { int z = x^y; int ans = 0; while (z) { ans

ArticleDirectory Distance metrics Manhattan distance Taxi distanceTaxicab GeometryOrManhattan distanceCity block distance,Manhattan distance, OrManhattan Length Distance from Manhattan-the distance between two p

Autonomous Learning is a basic feature of distance education. Autonomous Learning means that students can make free and flexible arrangements or choices for learning. The basic motivation and purpose of the emergence and development of distance education is to effectively implement the arrangement and selection of students. Therefore, in this sense, students' autonomous learning is the core concept of

Why strong electricity weak wiring to separate?This is because there is a magnetic field around the strong electricity, if the strong electricity weak wiring is too close to the weak signal will have an impact, the specific performance: if it is a cable TV line, the signal will not be very clear; if it is a telephone line, the phone will appear murmur; if it is a network cable, the speed of transmission will be affected and so on.Therefore, in the strong electricity weak wiring, must follow the

/** * Calculates whether the point is within the radius of a fixed point * @ October 20, 2016 * @param a longitude 1 known * @param b latitude 1 known * @param x longitude 2 * @param y Latitude 2 * @param radius distance of R radius (m) comparison * @return Object[0] is in the known range*/ Public StaticObject[] Getmanypoint (DoubleADoubleBDoubleXDoubleYDoubleR) {object[] obj=Newobject[2]; DoublePK = the/3.14169; DoubleA1 = A/PK; DoubleA2 = bPK; D

Problem: How do I get to the offset distance between any HTML element and the BODY element in the page? The two attributes of offsettop and Offsetleft, IE, opera and Firefox, differ in their interpretation: ie5.0+, opera8.0+: offsettop and offsetleft are relative parent elements Firefox1.06:offsettop and offsetleft are all relative to the BODY element. So: (1) directly using offsettop and offsetleft under FF, you can take the offset

Recently in the work of leaf reconstruction, the construction of the Leaf tin algorithm will be used to 3-dimensional midpoint to the line of the distance equation, a beginning to think like a two-dimensional formula and so on, and then find a bit did not find, wrote a function, to share Double dis_3d (Point a,point b,point s) { double ab=sqrt (POW (a.x-b.x), 2.0) +pow ((A.Y-B.Y), 2.0) +pow ((A.Z-B.Z), 2.0) ); Double as=sqrt (POW (a.x-s.x), 2

Java implementation to calculate the distance between the two longitude and latitude points, directly on the code, specific explanations please refer to the note Copy Code code as follows: Package com.jttx.poi.utils; Import Com.jttx.poi.entity.Point; /** * Created by Louis on 2014/9/2. */ public class Geoutils { /** * Calculate the distance between the two latitude and longitude points (

(location); Locationlistener Gps_listener = new Locationlistener () {Monitor position change and get location information in real time@Overridepublic void onstatuschanged (String provider, int status,Bundle Extras) {TODO auto-generated Method Stub } @Overridepublic void onproviderenabled (String provider) {TODO auto-generated Method Stub } @Overridepublic void onproviderdisabled (String provider) {TODO auto-generated Method Stub } @Overridepublic void onlocationchanged (Location L

The following is the use of JS code to achieve the Baidu map to calculate the distance between the two, the code is as follows: to tell you how C # according to Baidu map, calculate the driving distance between the two places

Copy Code code as follows: function Getdistancebetweenpointsnew ($latitude 1, $longitude 1, $latitude 2, $longitude 2) { $theta = $longitude 1-$longitude 2; $miles = (sin (Deg2rad ($latitude 1)) * Sin (Deg2rad ($latitude 2)) + (cos (Deg2rad ($latitude 1)) * cos (Deg2rad ($latitude 2)) * Cos (Deg2rad ($theta))); $miles = ACOs ($miles); $miles = Rad2deg ($miles); $miles = $miles * 60 * 1.1515; $feet = $miles * 5280; $yards = $feet/3; $kilometers = $miles * 1.609344; $meters = $kilome

Copy Code code as follows: function Cal_pace (d,h,m,s) { var distance = D; var hours = h; var minutes = m; var seconds = s; if (distance.length > 0 hours.length > 0 minutes.length > 0 seconds.length > 0 ) { var speed = parsefloat (hours) * 60.0 + parsefloat (minutes) + parsefloat (seconds)/60.0; Speed = speed/parsefloat (distance); var speed_minutes = Math.floor (speed); var speed_seconds

Why strong electricity weak wiring to separate? This is because there is a magnetic field around the strong electricity, if the strong electricity weak wiring is too close to the weak signal will have an impact, the specific performance: if it is a cable TV line, the signal will not be very clear; if it is a telephone line, the phone will appear murmur; if it is a network cable, the speed of transmission will be affected and so on. Therefore, in the strong electricity weak wiring, must follow

One Edit DistanceTotal accepted: 709Total Submissions: 3097 Given two strings S and T, determine if they are both one edit distance apart. Analysis Delete, add, replace three are all one edit distance. The delete and add two string lengths are 1 and replace the same length. Attention None [CODE] public class Solution {public Boolean isoneeditdistance (string s, String t) {if (S==null | | | t==null) retur