Merge of two avoidance trees whose ranges may overlap in $ O ( log N) $

I have two flared trees, $ A $ and $ B $.

When each element of $ A $ is smaller than each element of $ B $we can merge them $ O ( log N) $.

My question is; when all the elements of $ A $ are not necessarily smaller than all elements of $ B $, how can we still merge $ A $ and $ B $ in $ O ( log N) $?

What I have already tried:

Flare $ A $the biggest element of, splay $ B $The smallest element. The root $ R_A $ of $ A $ no longer have a righteous child, and the root $ R_B $ of $ B $ no longer has a left child. Compare $ R_A $ and $ R_B $. Yes $ R_B $ is taller than $ R_A $, make $ R_B $ the good child of $ R_A $, which fails when $ R_A $ is taller than $ R_B $.

java – Sort Algorithms in Kotlin – Bubbles, Insert, Selection, Merge and Quick Sort

I decided to try Kotlin because of its indulgent nature for long time Java users. I've implemented some introductory sorting algorithms and would like to see them again, not only to make sure that I apply Kotlin correctly, but also to improve my style and eliminate any bugs.

I've used some extension functions to make the code more readable and all relevant source codes will be posted in this issue.

Note: I also called it Java, because a person familiar with Java can easily access Kotlin if she sees how easy it is to read Kotlin. Anything that is applicable in Java can almost always be applied directly to the Kotlin code.

Main files

+ - meta
| + - annotations
| | + - ComparisonSort
| | + - StableSort
| + - Complexity
+ - sort
| + - AbstractSort
| + - BubbleSort
| + - InsertionSort
| + - MergeSort
| + - QuickSort
| + - SelectionSort
+ - util
+ - ArrayHelper

Tests

+ - sort
| + - AbstractSortTest
| + - BubbleSortTest
| + - InsertionSortTest
| + - MergeSortTest
| + - QuickSortTest
| + - SelectionSortTest
+ - util
+ - ArrayHelperTest

In addition to being undocumented (I have not added comments because I think the code is already readable enough), I think my code might be a little better organized. If I forgot to include some test cases, thank you for letting me know. General comments on all potential problems, preferences are always welcome.

ArrayHelper.kt

Note that all functions here are extension functions. These methods are added to the existing methods in the Array.kt class provided in the library.

package com.github.hungrybluedev.util

import kotlin.random.Random

fun  Board.swap (i: Int, j: Int) {
val tmp = this[i]
    this[i] = this[j]
    this[j] = tmp
}

fun  Board.shuffle () {
shuffle (0, size)
}

fun  Board. Shuffle (bottom: Int, up: Int) {
for (index down + 2 up to high) {
swap (index, Random.nextInt (index))
}
}

fun <T: comparable> Table.isSorted (): Boolean {
return isSorted (0, size)
}

fun <T: comparable> Table.isSorted (
lower: Int,
Above: Int
): Boolean {
for (index down + 1 up to high) {
if this[index - 1] > this[index]) {
false returns
}
}
returns true
}

fun  Board.isSorted (
comparator: comparator,
lower: Int,
Above: Int
): Boolean {
for (index down + 1 up to high) {
if (comparator.compare (this[index - 1], this[index])> 0) {
false returns
}
}
returns true
}

AbstractSort.kt

package com.github.hungrybluedev.sort

import com.github.hungrybluedev.meta.Complexity

AbstractSort abstract class (complexity of val: complexity) {
fun <T: comparable> so (arr: Array) {
sort (arr, naturalOrder (), 0, arr.size)
}

fun <T: comparable> so (arr: Array, lower: Int, upper: Int) {
sort (arr, naturalOrder (), lower, upper)
}

fun  spell (arr: Array, comparator: comparator) {
sort (arr, comparator, 0, arr.size)
}

abstract fun  Sort(
arr: Array,
comparator: comparator,
lower: Int,
Above: Int
)
}

BubbleSort.kt

package com.github.hungrybluedev.sort

import com.github.hungrybluedev.meta.Complexity
import com.github.hungrybluedev.meta.annotatioins.ComparisonSort
import com.github.hungrybluedev.meta.annotatioins.StableSort
import com.github.hungrybluedev.util.swap

@ComparisonSort
@StableSort
BubbleSort class: AbstractSort (Complexity.QUADRATIC) {
to override the pleasure  Sort(
arr: Array,
comparator: comparator,
lower: Int,
Above: Int
) {
var sorted = 0
make {
permuted var = false
for (i down to high - 1 - sorted) {
if (comparator.compare (arr[i]arr[i + 1])> 0) {
arr.swap (i, i + 1)
permuted = true
}
}
sorted ++
} while (traded)
}
}

InsertionSort.kt

package com.github.hungrybluedev.sort

import com.github.hungrybluedev.meta.Complexity
import com.github.hungrybluedev.meta.annotatioins.ComparisonSort
import com.github.hungrybluedev.meta.annotatioins.StableSort

@StableSort
@ComparisonSort
class InsertionSort: AbstractSort (Complexity.QUADRATIC) {

to override the pleasure  Sort(
arr: Array,
comparator: comparator,
lower: Int,
Above: Int
) {
for (at the bottom + 1 until high) {
val = arr[j]
            var i = j - 1
while (i> = lower && comparator.compare (key, arr[i]) <0) {
arr[i + 1] = arr[i--]
            }
arr[i + 1] = key
}
}
}

MergeSort.kt

package com.github.hungrybluedev.sort

import com.github.hungrybluedev.meta.Complexity
import com.github.hungrybluedev.meta.annotatioins.ComparisonSort
import com.github.hungrybluedev.meta.annotatioins.StableSort

@StableSort
@ComparisonSort
MergeSort Class: AbstractSort (Complexity.LINEARITHMIC) {

private pleasure  merge(
from: Array,
to: table,
p: Int,
q: Int,
r: Int,
comparator: comparator
    ) {
var i = p
var j = p
var k = q
while (i <q && k <r) {
at[j++] = if (comparator.compare (from[i], from[k]) <0)
of[i++]
            other
of[k++]
        }
while (i <q) {
at[j++] = of[i++]
        }
while (k <r) {
at[j++] = of[k++]
        }
}

private pleasure  internalSort (
arrA: painting,
arrB: painting,
comparator: comparator,
p: Int,
r: Int
) {
if (r - p <= 1) {
return
}
val q = p + ((r - p) shr 1)
internalSort (arrB, arrA, comparator, p, q)
internalSort (arrB, arrA, comparator, q, r)
fusion (arrB, arrA, p, q, r, comparator)
}

to override the pleasure  Sort(
arr: Array,
comparator: comparator,
lower: Int,
Above: Int
) {
val copy = arr.clone ()
internalSort (arr, copy, comparator, lower, upper)
}
}

QuickSort.kt

package com.github.hungrybluedev.sort

import com.github.hungrybluedev.meta.Complexity
import com.github.hungrybluedev.meta.annotatioins.ComparisonSort
import com.github.hungrybluedev.util.swap
import kotlin.random.Random

@ComparisonSort
class QuickSort: AbstractSort (Complexity.LINEARITHMIC) {
private pleasure  partition(
arr: Array,
lower: Int,
Above: Int
comparator: comparator
    ): Int {
val pivot = arr[lower + Random.nextInt(upper - lower + 1)]

        var p = lower - 1
var q = higher + 1
while (true) {
while (comparator.compare (arr[++p], pivot) < 0);
            while (comparator.compare(arr[--q], pivot) > 0);
if (p> = q) {
back q
}
arr.swap (p, q)
}
}

private pleasure  internalSort (
arr: Array,
comparator: comparator,
lower: Int,
Above: Int
) {
if (lower> = higher) {
return
}
val pivot = partition (arr, lower, upper, comparator)
internalSort (arr, comparator, inferior, pivot)
internalSort (arr, comparator, pivot + 1, upper)
}

to override the pleasure  Sort(
arr: Array,
comparator: comparator,
lower: Int,
Above: Int
) {
internalSort (arr, comparator, lower, upper - 1)
}
}

Complexity.kt

package com.github.hungrybluedev.meta

Enum class Complexity {
lOGARITHMIC,
LINEAR,
LINEARITHMIQUE,
QUADRATIC,
CUBIC
}

ComparisonSort.kt

com.github.hungrybluedev.meta.annotatioins package

ComparisonSort annotation class

StableSortSort.kt

com.github.hungrybluedev.meta.annotatioins package

StableSort annotation class

AbstractSortTest.kt

package com.github.hungrybluedev.sort

import com.github.hungrybluedev.meta.Complexity
import com.github.hungrybluedev.util.isSorted
import com.github.hungrybluedev.util.shuffle
import org.junit.jupiter.api.Assertions.assertArrayEquals
import org.junit.jupiter.api.Assertions.assertTrue
import org.junit.jupiter.api.Test
import kotlin.random.Random

AbstractSortTest abstract class(private yard sorter: T) {
size of the private value = when (sorter.complexity) {
Complexity.QUADRATIC -> 20_000
Complexity.LINEARITHMIC -> 1_000_000
otherwise -> 10_000
}

@Test
internal fun emptyTest () {
val arr = arrayOf()
sorter.sort (arr)
assertArrayEquals (arrayOf(), arr)
}

@Test
internal fun singleElementTest () {
val arr = arrayOf (1)
sorter.sort (arr)
assertArrayEquals (arrayOf (1), arr)
}

@Test
internal fun sortElementsTest () {
val arr = arrayOf (1, 2, 5, 7)
sorter.sort (arr)
assertArrayEquals (arrayOf (1, 2, 5, 7), arr)
}

@Test
internal fun unsortedElementsTest () {
val arr = arrayOf (7, 2, 5, 1)
sorter.sort (arr)
assertArrayEquals (arrayOf (1, 2, 5, 7), arr)
}

@Test
internal fun reverseOrderTest () {
val arr = arrayOf (9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
sorter.sort (arr)
assertArrayEquals (arrayOf (0, 1, 2, 3, 4, 5, 6, 7, 8, 9), arr)
}

@Test
internal fun partialSortTest () {
val arr = arrayOf (9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
sorter.sort (arr, 4, 9)
assertArrayEquals (arrayOf (9, 8, 7, 6, 1, 2, 3, 4, 5, 0), arr)
}

@Test
Internal Fun ComparatorDescendingTest () {
val arr = arrayOf (9, 3, 4, 6, 2, 1, 0, 5, 7, 8)
sorter.sort (arr, reverseOrder ())
assertArrayEquals (arrayOf (9, 8, 7, 6, 5, 4, 3, 2, 1, 0), arr)
}

@Test
Internal Fun ComparatorPartialDescendingTest () {
val arr = arrayOf (3, 0, 1, 2, 4, 8, 5, 9, 7, 6)
sorter.sort (arr, 0, 5)
sorter.sort (arr, reverseOrder (), 5, 10)
assertArrayEquals (arrayOf (0, 1, 2, 3, 4, 9, 8, 7, 6, 5), arr)
}

@Test
internal fun repeatElementsTest () {
val arr = arrayOf (0, 0, 1, 2, 3, 3, 4, 4, 4, 4, 4, 5, 6, 7, 8, 8, 9, 9, 9, 9)
val cpy = arr.clone ()
cpy.shuffle ()
sorter.sort (cpy)
assertArrayEquals (arr, cpy)
}

@Test
internal fun randomDistinctArrayTest () {
val arr = Tableau (size) {x -> x}
sorter.sort (arr)
assertTrue (arr.isSorted ())
}

@Test
internal randomRepeatedTest () {
val arr = Array (size) {Random.nextInt (size)}
sorter.sort (arr)
assertTrue (arr.isSorted ())
}

@Test
internal fun descendingTest () {
val arr = Tableau (size) {x -> size - x}
sorter.sort (arr)
assertTrue (arr.isSorted ())
}
}

BubbleSortTest.kt

package com.github.hungrybluedev.sort


BubbleSortTest internal class: AbstractSortTest(BubbleSort ())

InsertionSortTest.kt

package com.github.hungrybluedev.sort

internal class InsertionSortTest: AbstractSortTest(Insert Sort ())

MergeSortTest.kt

package com.github.hungrybluedev.sort

MergeSortTest internal class: AbstractSortTest(Merge sort ())

QuickSortTest.kt

package com.github.hungrybluedev.sort

QuickSortTest internal class: AbstractSortTest(Fast sort ())

SelectionSortTest.kt

package com.github.hungrybluedev.sort

SelectionSortTest internal class: AbstractSortTest(SelectionSort ())

ArrayHelperTest.kt

package com.github.hungrybluedev.util

import org.junit.jupiter.api.Assertions.assertFalse
import org.junit.jupiter.api.Assertions.assertTrue
import org.junit.jupiter.api.Test

internal class ArrayHelperTest {
@Test
internal fun smallAscendingTest () {
val arr = arrayOf (1, 2, 3, 4, 5)
assertTrue (arr.isSorted ())
assertTrue (arr.isSorted (0, arr.size))
assertTrue (arr.isSorted (naturalOrder (), 0, arr.size))
}

@Test
internal fun smallDescendingTest () {
val arr = arrayOf (9, 7, 6, 4, 3, 2)
assertFalse (arr.isSorted ())
assertFalse (arr.isSorted (0, arr.size))
assertTrue (arr.isSorted (reverseOrder (), 0, arr.size))
}
}

Merge 4 input channels in two on macOS

I'm trying to merge the audio from two input sources (soundflower and a microphone), each with 2 channels, into a single source input to 2 channels free. I thought of doing this in two ways:

  • Multiple input source
    A new input source is created, which links the 4 channels into 2. Applications I have tried for this:

    • RA Loopback
      This works, but this reduces the audio quality after 20 minutes and the output is too low.
    • MIDI audio configuration
      This does not join the channels, so any 2ch application will get audio from only one source
  • Play exit
    Because one of the sources I'm trying to merge is soundflower, I could also play the sound from the mic input into the soundflower output.

    • RA Loopback
      Same complaints as above
    • RA audio hijacking
      Reduces audio quality after 10 minutes, must also keep the application open at all times
    • AU Labs
      This is my current solution, but I would prefer not to keep the application open at all times.

tableau – Extract vectors from a set of vector names of vectors and merge them into a single vector, any help?

[LINGUAGEM R] Hello

I have a vector that contains that contains names of other vectors

example:

Vector test: [1] "vector_art" "vector_rio" "vector_parque"

Vector Vector_art: [1] 1 3 4 11 12 13 14 16 29 30 41

Vector Vector: [1] 6 7 8 9 10

vector vector_parque: [1] 5 15 17 27

I want a general vector: 1 3 4 11 12 13 14 16 29 30 41 6 7 8 9 10 5 15 17 27

I can do it manually, but I want to do it dynamically because my initial vector will sometimes be
contain names of 3, 4, 2, 5 vectors. No is a fixed vector.

I have trouble developing this logic.

Advice, help?

thank you!

woocommerce – Merge Attributes – WordPress Development Stack Exchange

By mistake, a former developer has created many attributes with many color variants of cosmetics.
I now have trouble linking an attribute to the nuances of the catalog page. My only way is to merge all these color attributes into an attribute. I've tried the group of attributes but it was not like that, it falls into the same situation.
See attached, each attribute has a list of colors (image type)
How could I merge all these attributes into one and add up their variations.

enter the description of the image here

python – How to merge the columns of a dataframe into one?

I have a datadrame df with multiple columns that contain tables and I would like to join them in one.

Australian Financial Report Financial Times Reuters The Times of India
2019-01-13 NaN [AirAsia set to meet its match in Vietnam’s Vi...   [China promises graft crackdown in education, ...   ['US will hurt Turkey economically if it hits ...
2019-01-12  NaN [Former San Antonio mayor announces presidenti...   [Maradona admitted to Argentine hospital for s...   [Congress questions defence minister's 'no ter...
2019-01-11  NaN [Bull markets need fresh blood to drive higher] [Roundup: Betts, Grom head busy day of signi ...[Gabbard says she will report to the US president in ...
...

For example, turn it into something like this:

                price of articles
2007-01-01 12469 What remains from 2006. Somalia orders Islamists
2007-01-02 12472 Heart Health: Vitamin does not prevent death ...
2007-01-03 12474 Google's answer to filling jobs is an algorithm ...
2007-01-04 12480 We help to move from combat to ...
2007-01-05 12398 The rise of ethanol raises concerns about corn ...

"Price" is another column that I want to add later.

I'm trying the following:

df_test = df
df_test.fillna (0) # if the spaces are nan, this line must first be used
df_test['merged']= df['Australian Financial Review']+ df['Financial Times']+ df['Reuters']+ df['The Times of India']

But I receive:

2019-01-13 NaN
2019-01-12 NaN
2019-01-11 NaN
2019-01-10 NaN
2019-01-09 NaN

Merge variable rows in a cell

I have the following data

The data

and I'd like it to be organized by individual parts when merging the part IDs in a cell

Exit

Is there a way to do that with Google Sheets?

Hostway, Hosting to merge; will continue to function as separate brands for the period of integration

Hostway, Hosting to merge; will continue to operate as separate brands for the integration period | Talk Web Hosting

& # 39;);
var sidebar_align = & # 39; right & # 39 ;;
var content_container_margin = parseInt (& # 39; 350px & # 39;);
var sidebar_width = parseInt (& # 39; 330px & # 39;)
// ->

  1. Hostway, Hosting to merge; will continue to function as separate brands for the period of integration

    Hostway and Hosting announced a merger to strengthen its hybrid cloud and managed services for enterprise computing customers, according to a report released Tuesday by Light Reading. The terms of the deal have not been disclosed, but Emil Sayegh, CEO of Hostway, says his revenue is close to $ 200 million. The combined company will have 14 data centers in five countries. The integration period is expected to be completed in the next 12 months, when the merged company will operate under one brand.


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How to merge the new phone number of my friend in WhatsApp without losing any history of discussions

I have been using Whatsapp with my best friend for years and he recently exchanged his prepaid SIM card (old phone with a number = X) for a new prepaid SIM card (new phone with the Y number).
When he sent me the first message using the new phone numbered Y, I received a new chat window because his number Y wasn''t saved on the list of my contacts.
By getting this new cat, I blocked the number because I did not know him.
When he gave his new number Y, I added it to his contact card on my phone, but the discussions did not get merged and that's not what I was expecting. … because I now have our old chat window + the new one.

How can I merge the two chat windows and keep only the one containing the full history of conversations / calls / media?

Thank you,
Bruno

How to merge 167.67 to 167.7 in python 3

What is the value of the product: R $ 1,000
You want to install the product value [S/N]s
You have chosen to install to buy!
See the table below for payment options.


| TABLE OF PARCELS |

| | TOTAL VALUE |

| TERRAINS | Privacy Policy | WITHOUT INTEREST% | WITH INTEREST% |

| 2 park. | increase of 2% | R $ 1000.0 | R $ 1020.0 |
| 3 park. | 3% increase | R $ 1000.0 | R $ 1030.0 |
| 4 park. | 4% increase | R $ 1000.0 | R $ 1040.0 |
| 5 park. | increase of 5% | R $ 1000.0 | R $ 1050.0 |
| 6 park. | 6% increase | R $ 1000.0 | R $ 1060.0 |
| 7 park. | 7% increase | R $ 1000.0 | R $ 1070.0 |
| 8 park. | 8% increase | R $ 1000.0 | $ 1080.0 |
| 9 park. | 9% increase | R $ 1000.0 | R $ 1090.0 |

| 10 park. | 10% increase | R $ 1000.0 | R $ 1100.0 |

Number of bedrooms: 6
You chose to install in 6 times.
You will receive a 6% increase on the value of the product
6 installments of R $ 176.67 in total

Final product price of R $ 1060.0

Thank you for shopping at MattTeck!

Then
What is the value of the product: R $ 1,000
You want to install the product value [S/N]s
You have chosen to install to buy!
See the table below for payment options.


| TABLE OF PARCELS |

| | TOTAL VALUE |

| TERRAINS | Privacy Policy | WITHOUT INTEREST% | WITH INTEREST% |

| 2 park. | increase of 2% | R $ 1000.0 | R $ 1020.0 |
| 3 park. | 3% increase | R $ 1000.0 | R $ 1030.0 |
| 4 park. | 4% increase | R $ 1000.0 | R $ 1040.0 |
| 5 park. | increase of 5% | R $ 1000.0 | R $ 1050.0 |
| 6 park. | 6% increase | R $ 1000.0 | R $ 1060.0 |
| 7 park. | 7% increase | R $ 1000.0 | R $ 1070.0 |
| 8 park. | 8% increase | R $ 1000.0 | $ 1080.0 |
| 9 park. | 9% increase | R $ 1000.0 | R $ 1090.0 |

| 10 park. | 10% increase | R $ 1000.0 | R $ 1100.0 |

Number of bedrooms: 6
You chose to install in 6 times.
You will receive a 6% increase on the value of the product
For a total of 6 down payments of R $ 176.70

Final product price of R $ 1060.0

Thank you for shopping at MattTeck!

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