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Commit32cdf02

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itsAkshayDubeygithub-actionssiriak
authored
Add Pronic Number (TheAlgorithms#2867)
* Add Pronic Number* Update directory* Add unit tests for Pronic Number implementationCo-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>Co-authored-by: Andrii Siriak <siryaka@gmail.com>
1 parent98656cb commit32cdf02

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‎DIRECTORY.md‎

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*[GenericRoot](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/GenericRoot.java)
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*[HarshadNumber](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/HarshadNumber.java)
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*[JugglerSequence](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/JugglerSequence.java)
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*[KaprekarNumbers](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/KaprekarNumbers.java)
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*[KeithNumber](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/KeithNumber.java)
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*[KrishnamurthyNumber](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/KrishnamurthyNumber.java)
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*[LeonardoNumber](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/LeonardoNumber.java)
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*[NumberOfDigits](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/NumberOfDigits.java)
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*[PalindromeNumber](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/PalindromeNumber.java)
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*[ParseInteger](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/ParseInteger.java)
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*[PascalTriangle](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/PascalTriangle.java)
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*[PerfectCube](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/PerfectCube.java)
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*[PerfectNumber](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/PerfectNumber.java)
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*[PerfectSquare](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/PerfectSquare.java)
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*[PowRecursion](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/PowRecursion.java)
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*[PrimeCheck](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/PrimeCheck.java)
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*[PrimeFactorization](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/PrimeFactorization.java)
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*[PronicNumber](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/PronicNumber.java)
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*[PythagoreanTriple](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/PythagoreanTriple.java)
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*[ReverseNumber](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/ReverseNumber.java)
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*[RomanNumeralUtil](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/maths/RomanNumeralUtil.java)
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*[TwoSumProblem](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/misc/TwoSumProblem.java)
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*[WordBoggle](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/misc/WordBoggle.java)
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* others
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*[ArrayLeftRotation](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/ArrayLeftRotation.java)
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*[BankersAlgorithm](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/BankersAlgorithm.java)
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*[BestFit](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/BestFit.java)
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*[BFPRT](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/others/BFPRT.java)
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*[LowerBound](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/LowerBound.java)
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*[MonteCarloTreeSearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/MonteCarloTreeSearch.java)
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*[PerfectBinarySearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/PerfectBinarySearch.java)
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*[QuickSelect](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/QuickSelect.java)
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*[SaddlebackSearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/SaddlebackSearch.java)
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*[SquareRootBinarySearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/SquareRootBinarySearch.java)
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*[TernarySearch](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/searches/TernarySearch.java)
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*[TreeSort](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/sorts/TreeSort.java)
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* strings
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*[Alphabetical](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/Alphabetical.java)
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*[Anagrams](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/Anagrams.java)
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*[CharactersSame](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/CharactersSame.java)
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*[CheckAnagrams](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/CheckAnagrams.java)
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*[CheckVowels](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/CheckVowels.java)
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*[Rotation](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/Rotation.java)
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*[Upper](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/Upper.java)
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*[WordLadder](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/WordLadder.java)
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* test
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* maths
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*[KaprekarNumbersTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/KaprekarNumbersTest.java)
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*[PascalTriangleTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/PascalTriangleTest.java)
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*[PronicNumberTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/PronicNumberTest.java)
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* others
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*[ArrayLeftRotationTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/others/ArrayLeftRotationTest.java)
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* searches
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*[QuickSelectTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/searches/QuickSelectTest.java)
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packagecom.thealgorithms.maths;
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/*
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* Java program for Pronic Number
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* Pronic Number: A number n is a pronic number if
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* it is equal to product of two consecutive numbers m and m+1.
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* Wikipedia: https://en.wikipedia.org/wiki/Pronic_number
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*
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* Author: Akshay Dubey (https://github.com/itsAkshayDubey)
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*
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* */
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publicclassPronicNumber {
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/**
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* This method checks if the given number is pronic number or non-pronic number
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*
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* @param input_number Integer value which is to be checked if is a pronic number or not
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* @return true if input number is a pronic number, false otherwise
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*/
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staticbooleanisPronic(intinput_number) {
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//Iterating from 0 to input_number
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for(inti =0;i <=input_number;i++) {
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//Checking if product of i and (i+1) is equals input_number
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if(i * (i+1) ==input_number &&i !=input_number) {
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//return true if product of i and (i+1) is equals input_number
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returntrue;
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}
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}
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//return false if product of i and (i+1) for all values from 0 to input_number is not equals input_number
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returnfalse;
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}
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}
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packagecom.thealgorithms.maths;
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importorg.junit.jupiter.api.Test;
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importstaticorg.junit.jupiter.api.Assertions.*;
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publicclassPronicNumberTest {
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@Test
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voidtestForPronicNumber() {
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//given
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intnumber =30;
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//when
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booleanresult =PronicNumber.isPronic(number);
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//then
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assertTrue(result);
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}
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@Test
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voidtestForNonPronicNumber() {
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//given
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intnumber =21;
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//when
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booleanresult =PronicNumber.isPronic(number);
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//then
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assertFalse(result);
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}
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}

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