You are given an array of integers. Your task is to create pairs of them, such that every created pair has the same sum. This sum is not specified, but the number of created pairs should be the maximum possible. Each array element may belong to one pair only.

Write a function

class Solution public int
solution (int[] A); }

that, given an array A consisting of N integers, returns the maximum possible number of pairs with the same sum.

Examples:
1. Given A = [1, 9, 8, 100, 2], the function should return 2. The pairs are (A[0]. A[1]) and (A[2], A[4]); the sum of each pair is 10.
2. Given A = [2, 2, 2, 3], the function should return 1. Although, for instance, A[0]+A[1] = A[0]+A[2], the pairs (A[0], A[1]) and (A[0], A[2]) cannot exist at the same time, because they both contain a common element, A[0].

Answers

Answer 1
Complete PYTHON code with explanation:

def solution(nums):

# form a dictionary which will store

# the possible pair's sum as key and the indexs used for the sum

sumAndpair = {}

# for every element in list nums

for i in range(len(nums)):

# iterate on all the element to the right of current element

for j in range(i+1,len(nums)):

# calculate the sum of current 2 elements

sum = nums[i] + nums[j]

# if the sum is already in the dictionay

if sum in sumAndpair:

# check if the current index have already been used

# if yes, then continue to next iteration

# this will make sure that same number have not been used more than once

if i in sumAndpair[sum] or j in sumAndpair[sum]:

continue

# if no, then append the current i and j to the value of current sum

else:

sumAndpair[sum].append(i)

sumAndpair[sum].append(j)

# if the current sum is not in the dictionary

# add the sum as key with a list of index used

else:

sumAndpair[sum] = [i, j]

# copmpute the maximum possible number of pairs with the same sum

# which will be the maximum length value out of all the possible sum

# this maximum length will be divided by 2, since a pair of i, j contrinute to one sum

maxLength = 0

for key, value in sumAndpair.items():

if maxLength

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what's the question or answer you want or is it a joke?

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The correct answer is UPS

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1. It is based on scientific and technological advancements.
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Answer:

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Explanation:

"A computer is a general-purpose electrical device that is used to do arithmetic and logical processes automatically," according to some.

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Shoplifting! Did he pay for those?!?!

The given situation is an example of shoplifting.

What is hardware?

All the mechanical components made of simply plastic or metal used in houses or industries are termed as hardware.

You enter a hardware store where you have an account, pick up a pair of $5.00 pliers, and wave them at the manager as you leave the store.

This gives an idea of the shoplifting, as he hold the account with them. He doesn't need to pay every time he buys anything.

This, this would be an example of shoplifting.

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The answer is: switches.

Explanation:

Filtering is a function of switches.

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Answer:

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Explanation:

hope its help

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Answer:

Abacus many be built first in China

Explanation:

I know Abacus ^o^

Answer:

Hewo There!!!!

__________________

China- i thinkkk maybe?

__________________

“Hold fast to dreams,

For if dreams die

Life is a broken-winged bird,

That cannot fly.”

― Langston Hughes

__________________

Think of life as a mytery because well it sort of is! You don't know what may happen may be good or bad but be a little curious and get ready for whatever comes your way!! ~Ashlynn

BEBE
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Answers

Answer:

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Explanation:

Answer:

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insert rows and columns

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Explanation:

Match the vocabulary to the appropriate definition.
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and read
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are new to the code
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*Documentation

Answers

Answer:

Pulling related code together in objects is Arrays

Helps programmers when they revisit code or are new to code-- Documentation

Explanation:

This is all I know

Good documentation Helps programmers when they revisit code or are new to the code.

What is good documentation?

Good Documentation is known to be the guidelines that helps one or allows one to follows the steps for  recording raw data entries in a legible, right and reproducible way.

Note that Good documentation Helps programmers when they revisit code or are new to the code.

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Internet privacy refers to the level of information sharing on the web collected through web cookies, caches, and browsing history true or false

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The level of information sharing on the web that are mainly collected through web cookies, caches, and browsing history of a web browser is referred to as Internet privacy: True.

A web browser can be defined as a software program that is typically designed and developed for viewing a HTML document or browsing the Internet.

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This ultimately implies that, Internet privacy relates to the level of information sharing on the web that are mainly collected on a web browser through the following means:

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Game Changer Technologies has four software teams. Each of them is developing four different examples of its new game app. Which software development methodology is used by the Game Changer teams

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The software development methodology used by the Game Changer teams is called; Prototyping

We are given that;

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Now, since each of them is developing four four different examples of its new game app, the method being used is called prototyping. This is because prototyping is referred to as the early approximation of the final system of a product whereby such a product is built, tested and rebuilt if required until an acceptable prototype is achieved.

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Targeted advertising       hope it helps

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HKEY_CURRENT_USER
SOFTWARE
Microsoft
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The program allows the user to type in any linux command and then executes that command, such as "pwd" or "echo". The problem is that it should allow multiple commands to be typed in and executed at the same time, but it only allows one at a time currently. Please help fix it so it allows multiple commands to be typed and executed.
Code:
#include
#include
#include
#include
#include
#include
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exit(1);
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printf("*** ERROR: exec failed\n");
exit(1);
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}
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;
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Where is the question

Which of the following Access objects provides a user-friendly data entry method?
Select one:
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d. report

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Answer:

Table

Explanation:

Microsoft Access uses an object called a _____ to enter and organize data.

The answer is table.

smart art is considered a​

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Explanation:

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Answer:controlling a situation by making things happen or by preparing for possible future problems

Explanation:

Make things happen instead of waiting for them

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A distributed database is not limited by the data's physical location.

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Answers

Algorithms are used as a prototype of an actual program, during project design.

The algorithm the manager can use to find the productID of the desktop products is as follows:

Start

i = 0

if i > N, then Exit:

  Input productID:

       If productID.upper() == 'A' or 'I' or 'E' or 'O' or 'U':

                 Process data as desktop products

  i++

Go to step 2

Stop

Note that algorithms do not conform to programming syntax.

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In Python which is the correct method to load a module math?

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Answer: The math module is a standard module in Python and is always available. To use mathematical functions under this module, you have to import the module using import math .

Explanation:

Brainliest if correct. 3. You are researching ways to boost employee morale for a proposal. How can you
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To avoid copyright you can give credit to the original author. For example if I copy information that said “all humans are meant to be extinct by 2073” from notarealwebsite.com I shout credit them for this.

RAM or RIM is correct?

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RAM is the correct answer

_____ are extremely _____ data structure’s, used all the time, and there are so many _____ that can handle them to do useful things.
A _____ can be thought of as an array of arrays
•versatile
•functions
•arrays
•matrix

Answers

Answer:

arrays are extremely versatile  data structure’s, used all the time, and there are so many functions that can handle them to do useful things.

A matrix can be thought of as an array of arrays

Answer:

Arrays are extremely versatile data structure's, used all the time, and there are so many functions that can handle them to do useful things.

A matrix can be thought of as an array of arrays.

Happy Holidays

Explanation:

Read two numbers from user input. Then, print the sum of those numbers.
Hint -- Copy/paste the following code, then just type code where the question marks are to finish the code.
num1 = int(input())
num2 = ?
print(num1 + ?)

Answers

Answer:

First ? - int(input())

Second ? - num2

Explanation:

This works because we are just mimicing the first input in your first variable.

The second one is adding them together.

Don't remember to give me brainliest :)

Add comma(s) where needed, if needed.


My birthday October 31 2005 is on Halloween.


My birthday October 31 2005 is on Halloween. (no change)


My birthday October 31, 2005, is on Halloween.


My birthday October 31, 2005 is on Halloween.


My birthday, October 31, 2005, is on Halloween.

Answers

Answer:

My birthday, October 31, 2005, is on Halloween.

Explanation:

The correct option with commas is "My birthday, October 31, 2005, is on Halloween."

Why is this correct?

The revised sentence "My birthday, October 31, 2005, is on Halloween." correctly uses commas to separate the date from the year and to set off the date as an appositive.

This improves clarity and follows proper punctuation rules.

Hence,. The correct option with commas is "My birthday, October 31, 2005, is on Halloween."

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in excel If you have a lengthy text, adding a __________ can change the cell’s format to ________. *

Answers

Based on Microsoft Excel analysis, in excel If you have a lengthy text, adding a Wrap Text can change the cell’s format to high height.

What is Microsoft Excel?

Microsoft Excel is one of the software applications in Microsoft Office. It has cells of rows and columns in which users can easily put facts and figures to carry out tasks.

The function of Wrap Text

Wrap Text is applied in Microsoft Excel to show the cell contents on many lines instead of a single long line.

Hence, in this case, it is concluded that the correct answer is "Wrap Text and High Height."

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When do you think is the right time to use Styles,

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Answer:

1. Democratic Management Style

2. Coaching Management Style

3. Affiliative Management Style

4. Pacesetting Management Style

5. Authoritative Management Style

6. Coercive Management Style

7. Laissez-Faire Management Style

8. Persuasive Management Style

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Answers

Vfx used for visual effects in the creation on any screen.. imagery that does not physically exist in life. Vfx also allow makers of films to create environments, objects, creature,ect..

A hybrid data mart ________ data from a data warehouse as well as other data collection systems. It incorporates a top-down approach, end-user inputs, and enterprise-level integration. g

Answers

Answer:

Hybrid Data Marts

A hybrid data mart allows you to combine input from sources other than a data warehouse. This could be useful for many situations, especially when you need ad hoc integration, such as after a new group or product is added to the organization.

We can use a hybrid data mart to mix data from sources other than a data warehouse, and the further discussion can be defined as follows:

Hybrid Data Marts:

It could be useful in a variety of scenarios, particularly when informal integration is required, like when a new group or product is added to the organization.

We can use a hybrid data mart to combine data from various sources other than a data warehouse. It's a structure or access pattern that retrieves client-specific data in data warehouse environments. This data mart is a subset of a data warehouse that is typically focused on a particular business line or functional area.

Therefore, the final answer is "separates".

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