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$arr= [1, 2,-4, 4, 10,-23, 4,-5, 1]; $max _sum= 0; $sum=0; $new= []; $i= 1; Echo' ; foreach($arr as $key=$value ){ if($sum){ unset($new[$i]); $i++; $sum=$value; }Else{ $sum+=$value; } $new[$i][] =$value; if($max _sum$sum){ $max _arr=$new; $max _sum=$sum; } } Print_r($max _sum); Print_r($max _arr); Exit;An array of integ

#!/usr/bin/env python# Coding:utf-8Import Redef Dealwith (Express): Express.replace ('+-','-') Express.replace ('--','+') returnexpressdef Col_suanshu (exp):if '/' inchexp:a,b= Exp.split ('/') returnStrfloat(a)/float(b))if '*' inchexp:a,b= Exp.split ('*') returnStrfloat(a) *float(b) def get_no_barcate (Express): Express=express.strip ('()') Print ('>>>', Express) whileTrue:ret= Re.search ("-?\d+\.? \d*[*/]-?\d+\.? \d*", Express)ifRet:res=Col_suanshu (Ret.group ()) Express= Ex

numbers: ↑ Last used command: Nohl highlighted words, not highlighting hints: x save exit, change file is similar to Wq; File Open is not operational, change mtime: 1,100s/dnsmasq/aminglinux/g from line 1th to line 100, s means start substitution, replace DNSMASQ with aminglinux,g to replace all1, $s/\/etc\/hosts\//aminglinux/g replace/etc/hosts/with Aminglinux, escape with \ or 1, $s #/etc/hosts/#aminglinux/g or @ symbol delimitedSet NU Display line number 5.7 Vim Practice#cp/etc/

Summary:Ordinary BST does not guarantee a good performance after multiple operations. So we need a BST, yes. The cost of each insertion and search is a logarithmic function of the large size of the tree. The 2-3-4 tree is a kind of BST that maintains balance.2-3-4 Tree IntroductionTo ensure that BST is balanced, we nee

BS makes it clear in C ++ programming that the variable name is more binding than the previous one. Therefore, the following Variable declaration:Int ** a [3] [4];The two-dimensional array "[]" of the "int ** type is more binding than" int "and ). This two-dimensional array has a total of 12 members (3 × 4), each membe

Can I upgrade ios8.2 to iPad 2/3/4?The ios8.2 system supports the upgrade of ios8.2 for ipad 2 for iPad 3 for iPad miniiPad 4. The details are as follows:IPad 4IPad 4 (generation model A1458) WIFI (iPad3, 4)IPad

47. Innovation workshop (algorithm ):Returns the longest descending subsequence of an array, for example, {9, 4, 3, 2, 5, 3, 2,4,3, 2} Idea: Dynamic Planning Calculates the longest descending subsequence of the sequence of the current number. Each time you look for the longest child sequence, scan the child sequence obtained before it, and the first number is sm

Package com; public class test {public static void main (string [] ARGs) {system. out. println (getsteps1 (); system. out. println (">>>>>>>>>>>>>>>>>>>>>>>>>>>>"); system. out. println (test. getsteps (); system. out. println (">>>>>>>>>>>>>>>>>>>>>>>>>>>> ");} public static int getsteps () {// use the minimum public multiple to reduce the number of traversal times. Int I = 1; int step = 2; Boolean maxstep = false; while (true) {system. Out. Print ("" + I + "); If (! Maxstep) {if (I % 2 = 1) {s

Package COM. WZS; // Add difficulty to the first question. Use the numbers 1, 2, 3, 4, and 5 to write a main function in Java and print out all the different orders, // For example, 51234, 12345, etc., the requirement: "4" cannot be In the third place, "3" and "5" cannot be connected. Public class test3 {public static

Problem description: there are now n ordered arrays in M groups, such as {1, 2, 3, 4}, {2, 3, 6}, {1, 3, 5, 7 }, select the data smaller than K in these arrays and return this value. Idea: Compare the minimum data selected each time by referring to the process of merging two Arrays 1. Define the selection position arra

1. There are 4 Threads a,B,C,D, print separately 1,2,3,4, please start them at the same time, but require to follow The sequential output of the 1234. public class TestABCThread3 {Private Object lock = new Object ();private int count;public static void Main (string[] args) {TESTABCTHREAD3 ABC = new TESTABCTHREAD3 ();New Thread (Abc.new Run ("C", 3)). Start ();New Thread (Abc.new Run ("D",

How to convert the format to 3 4 4 when filling in the phone number:A: When filling the mobile phone number, in the KeyUp event to determine the length, when eligible to insert a space after the value$ (' #username '). On (' KeyUp ', function (e) {var val = $ (this). Val ();//The key is deleted to perform the following judgment, otherwise deleted to the third an

Common ratios At the beginning of the information age of 195x, the most notable feature is that analog technology has turned to digital technology, graphic design has been gradually led by electronic devices from paper to media, and the granularity units have changed, but this is not so much for designers, the problem is the ratio. Aspect ratio, which is the height ratio, only discusses the three most common categories: photography, video, and display equipment. The common rates of photograph

/*************************************** ************************Computer report 1: accumulated (c)AUTHOR: liuyongshuiDATE :************************************************ ***********************//*Question 4: f = 1! -2! + 3! -4! +... + 9! */ # Include # Define N 9 Void f (int m); // original function declaration Int main (){F (N ); Return 0;} // F () function

client for the previously active node, so it is a good way to establish a fencing command that can kill the namenode process.3) The command-line InterfaceA) You can type Hadoop fs-help to get detailed help on every command.You can use Hadoop fs–help on every command to get detailed help.b) Let's copy the file back to the local filesystem and check whether it ' s the same:% hadoop fs -copyToLocal quangle.txt quangle.copy.txt% md5 input/docs/quangle.tx

Title: There are 1, 2, 3, 4 of these 4 digits, can be composed of a number of different and no repeat number of three digits? How much are they? Program Analysis: Can be filled in hundreds, 10 digits, single-digit numbers are 1, 2, 3, 4. Form all permutations and then remov

Regular Expression of phone number (mobile phone number, 3-4 area code, 7-8 live video number, 1-4 extension code) (\ D {11}) | ^ (\ d {7, 8}) | (\ d {4} | \ d {3})-(\ d {7, 8 }) | (\ d {4} | \ d {

public class Test {public static void Main (string[] args) {Int[] A = new int[400];Int[] B = new INT[50];for (int i = 0; i A[i] = (int) (Math.random () * 50);}System.out.println ("Randomly generated array is:");for (int i:a) {System.out.print (i+ "");}for (int i = 0; i for (int j = i + 1; j > 0; j--) {if (A[j] int temp = A[j];A[J] = a[j-1];A[J-1] = temp;}}}System.out.println ("\ n the sorted array is:");for (int i:a) {System.out.print (i+ "");}for (int i = 0; I int temp = 0;for (int j = 0 + temp

1, the stack area (stacksegment)-Automatically allocated by the compiler release, stored function parameters value, local variable value, etc., the system automatically releases the JVM memory resources after the execution of the method is completed.2. Heap area (heapsegment)-typically released by programmers, storing objects and arrays created by new, the JVM does not periodically view this object, and if no reference points to the object, it is recycled3. Static zone (datasegment)-holds global

Spring 4 + jpa (hibernate 3/4) + spring mvc multi-data source configuration (2) + Druid connection pool, mvcdruid Pick up a blog post (http://www.loveweir.com/html/18.html), no database connection pool, purely using the official link of jpa. Therefore, we need to add the connection pool. In this article, we use the Druid connection pool to configure multiple data