Other programming challenges and problems from codesignal and leetcode sorted by first letter/number (did not find a better way to sort/group them 😊).
Some have multiple solutions with different approaches.
B - Beginner, I - Intermediate, A - Advanced
I absoluteValuesSumMinimization I adaNumber B addBorder B addTwoDigits B addTwoNumbersList B additionWithoutCarrying B adjacentElementsProduct B allLongestStrings B almostIncreasingSequence B alphabetSubsequence B alphabeticShift I alphanumericLess B alternatingSums B appleBoxes B areEquallyStrong I areSimilar B arithmeticExpression B arrayChange I arrayConversion B arrayMaxConsecutiveSum B arrayMaximalAdjacentDifference I arrayPacking I arrayPreviousLess B avoidObstacles B arrayReplace B candies B candles B centuryFromYear B characterParity B checkIfDoubleExists B checkPalindrome B chessBoardCellColor I chessKnight B cipher26 B circleOfNumbers I combs B comfortableNumbers B commonCharacterCount B concatenateArrays I constructSquare B containsDuplicate B copyRandomList I countBlackCells I countRectangles B countSumOfTwoRepresentations2 B createAnagram I crosswordFormation B increaseNumberRoundness B integerToStringOfFixedWidth B inorderTraversal B invertTree I isBeautifulString B isCaseInsensitivePalindrome B isDigit B isInfiniteProcess I isIPV4Address B isLucky I isMAC48Address B isPalindrome B isPalindromeLinkedList B isPower B isSmooth I isSubstitutionCipher I isSumOfConsecutive2 B isTandemRepeat I isUnstablePair B rangeBitCount B rangeBitCount copy B reachNextLevel I rectangleRotation B reflectString B removeArrayPart B removeDuplicates B removeElements B removeNthFromEndOfOList B removeThreeDuplicates B replaceElements B replaceMiddle B replaceSequence B reverse I reverseInParentheses B reverseList B rotateArray B rotateList B rounders B tennisSet B thirdMax I threeSplit I timedReading B twoSum B twoSumOrdered B weakNumbers B willYou