WebGiven a BST and a number X, find Ceil of X.Note: Ceil(X) is a number that is either equal to X or is immediately greater than X. Best estimator of the mean of a normal distribution based only on box-plot statistics, Difference in meaning between "the last 7 days" and the preceding 7 days in the following sentence in the figure". Write efficient functions to find the floor and ceiling of x. Floor and Ceil from a BST - GeeksforGeeks How does generic find() function works in C++ STL? 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The second largest element is second last element in inorder traversal and second element in reverse inorder traversal. BST Smallest Range I. Note: Internal method is sourced from GeeksForGeeks. Convert it into a Height balanced Binary Search Tree (BST). 2,791 were here. WebSo try to get good command on above methods and do as many as problems you can do. Once the count becomes 2, we print the node. Construct Binary Search Tree from Preorder Traversal. leetcode of swaps of left & right childFind Lowest Common Ancestor (LCA) of two nodes in a binary treePrint all paths from root to leaf nodes in given binary treeFind ancestors of given node in a Binary TreeFind the distance between given pairs of nodes in a binary treeFind Vertical Sum in a given Binary TreePrint nodes in vertical order of a given Binary Tree (Vertical Traversal)Find the diagonal sum of given binary treePrint Diagonal Traversal of Binary TreePrint corner nodes of every level in binary treeIn-place convert convert given Binary Tree to Doubly Linked ListSink nodes containing zero to the bottom of the binary treeConvert given binary tree to full tree by removing half nodesTruncate given binary tree to remove nodes which lie on a path having sum less than KFind maximum sum root-to-leaf path in a binary treeCheck if given binary tree is height balanced or notDetermine if given Binary Tree is a BST or not, Insertion in BSTSearch given key in BSTDeletion from BSTConstruct balanced BST from given keysDetermine if given Binary Tree is a BST or notCheck if given keys represents same BSTs or not without building the BSTFind inorder predecessor for given key in a BSTFind Lowest Common Ancestor (LCA) of two nodes in a Binary Search TreeFind Kth smallest and Kth largest element in BSTFloor and Ceil in a Binary Search TreeFind optimal cost to construct binary search tree, Binary SearchTernary Search vs Binary searchExponential searchInterpolation searchFind number of rotations in a circularly sorted arraySearch an element in a circular sorted arrayFind first or last occurrence of a given number in a sorted arrayCount occurrences of a number in a sorted array with duplicatesFind smallest missing element from a sorted arrayFind Floor and Ceil of a number in a sorted arraySearch in a nearly sorted array in O(logn) timeFind number of 1s in a sorted binary arrayFind the peak element in an arrayMaximum Sum Subarray using Divide & ConquerFind Minimum and Maximum element in an array using minimum comparisonsEfficiently implement power function | Recursive and Iterative, Merge SortMerge Sort for Singly Linked ListInversion Count of an arrayQuicksortIterative Implementation of QuicksortHybrid QuickSort, Introduction to Dynamic ProgrammingLongest Common Subsequence | Introduction & LCS LengthLongest Common Subsequence | Space optimized versionLongest Common Subsequence of K-sequencesLongest Common Subsequence | Finding all LCSLongest Common Substring problemLongest Palindromic Subsequence using Dynamic ProgrammingLongest Repeated Subsequence problemShortest Common Supersequence | Introduction & SCS LengthShortest Common Supersequence | Finding all SCSShortest Common Supersequence | Using LCSLongest Increasing Subsequence using Dynamic ProgrammingLongest Bitonic SubsequenceIncreasing Subsequence with Maximum SumThe Levenshtein distance (Edit distance) problemFind size of largest square sub-matrix of 1s present in given binary matrixMatrix Chain MultiplicationFind the minimum cost to reach last cell of the matrix from its first cellFind longest sequence formed by adjacent numbers in the matrixCount number of paths in a matrix with given cost to reach destination cell01 Knapsack problemMaximize value of the expression A[s] A[r] + A[q] A[p] where s > r > q > pPartition problemSubset sum problemMinimum Sum Partition problemFind all N-digit binary strings without any consecutive 1sRod CuttingMaximum Product Rod CuttingCoin change-making problem (unlimited supply of coins)Coin Change Problem Find total number of ways to get the denomination of coinsLongest alternating subsequenceCount number of times a pattern appears in given string as a subsequenceCollect maximum points in a matrix by satisfying given constraintsCount total possible combinations of N-digit numbers in a mobile keypadFind optimal cost to construct binary search treeWord Break ProblemWildcard Pattern Matching, Find probability that a person is alive after taking N steps on the islandCalculate sum of all elements in a sub-matrix in constant timeFind maximum sum K x K sub-matrix in a given M x N matrixFind maximum sum submatrix present in a given matrixFind maximum sum of subsequence with no adjacent elementsMaximum subarray problem (Kadanes algorithm)Single-Source Shortest Paths Bellman Ford AlgorithmAll-Pairs Shortest Paths Floyd Warshall Algorithm, Terminology and Representations of GraphsGraph Implementation using STLGraph Implementation in C++ without using STLBreadth First Search (BFS) | Iterative & Recursive ImplementationDepth First Search (DFS) | Iterative & Recursive ImplementationArrival and Departure Time of Vertices in DFSTypes of edges involved in DFS and relation between themBipartite GraphMinimum number of throws required to win Snake and Ladder gameTopological Sorting in a DAGTransitive Closure of a GraphCheck if an undirected graph contains cycle or notTotal number of paths in given digraph from given source to destination having exactly m edgesDetermine if an undirected graph is a Tree (Acyclic Connected Graph)2-Edge Connectivity in the graph2-Vertex Connectivity in the graphCheck if given digraph is a DAG (Directed Acyclic Graph) or notDisjoint-Set Data Structure (Union-Find Algorithm)Chess Knight Problem Find Shortest path from source to destinationCheck if given Graph is Strongly Connected or notCheck if given Graph is Strongly Connected or not using one DFS TraversalUnion-Find Algorithm for Cycle Detection in undirected graphKruskals Algorithm for finding Minimum Spanning TreeSingle-Source Shortest Paths Dijkstras AlgorithmSingle-Source Shortest Paths Bellman Ford AlgorithmAll-Pairs Shortest Paths Floyd Warshall Algorithm, Print all k-colorable configurations of the graph (Vertex coloring of graph)Print All Hamiltonian Path present in a graphGreedy coloring of graph, Introduction to Priority Queues using Binary HeapsMin Heap and Max Heap Implementation in C++Heap Sort (Out-of-place and In-place implementation in C++ and C)Check if given array represents min heap or notConvert Max Heap to Min Heap in linear timeFind Kth largest element in an arraySort a K-Sorted ArrayMerge M sorted lists of variable lengthFind Kth smallest element in an arrayFind smallest range with at-least one element from each of the given listsMerge M sorted lists each containing N elements, External merge sortHuffman CodingFind first k maximum occurring words in given set of stringsFind first k non-repeating characters in a string in single traversal, Introduction to Linked ListsLinked List Implementation | Part 1Linked List Implementation | Part 2Static Linked List in CClone given Linked ListDelete Linked ListPop operation in linked listInsert given node into the correct sorted position in the given sorted linked listGiven a linked list, change it to be in sorted orderSplit the nodes of the given linked list into front and back halvesRemove duplicates from a sorted linked listMove front node of the given list to the front of the another listMove even nodes to the end of the list in reverse orderSplit given linked list into two lists where each list containing alternating elements from itConstruct a linked list by merging alternate nodes of two given listsMerge given sorted linked lists into oneMerge Sort for Singly Linked ListIntersection of two given sorted linked listsReverse linked list | Part 1 (Iterative Solution)Reverse linked list | Part 2 (Recursive Solution)Reverse every group of k nodes in given linked listFind Kth node from the end in a linked listMerge alternate nodes of two linked lists into the first listMerge two sorted linked lists from their endDelete every N nodes in a linked list after skipping M nodesRearrange linked list in specific manner in linear timeCheck if linked list is palindrome or notMove last node to front in a given Linked ListRearrange the linked list in specific mannerDetect Cycle in a linked list (Floyds Cycle Detection Algorithm), Print Matrix in Spiral OrderCreate Spiral Matrix from given arrayShift all matrix elements by 1 in Spiral OrderFind Shortest path from source to destination in a matrix that satisfies given constraintsChange all elements of row i and column j in a matrix to 0 if cell (i, j) has value 0Print diagonal elements of the matrix having positive slopeFind all paths from first cell to last cell of a matrixReplace all occurrences of 0 that are not surrounded by 1 in a binary matrixIn-place rotate the matrix by 90 degrees in clock-wise directionCount negative elements present in sorted matrix in linear timeReport all occurrences of an element in row wise and column wise sorted matrix in linear timeCalculate sum of all elements in a sub-matrix in constant timeFind maximum sum K x K sub-matrix in a given M x N matrixFind maximum sum submatrix present in a given matrixFind probability that a person is alive after taking N steps on the islandCount the number of islandsFlood fill AlgorithmFind shortest safe route in a field with sensors presentFind all occurrences of given string in a character matrixLee algorithm | Shortest path in a Maze, Travelling Salesman Problem using Branch and BoundCollect maximum points in a matrix by satisfying given constraintsCount number of paths in a matrix with given cost to reach destination cellFind longest sequence formed by adjacent numbers in the matrixFind the minimum cost to reach last cell of the matrix from its first cellMatrix Chain MultiplicationFind size of largest square sub-matrix of 1s present in given binary matrixChess Knight Problem Find Shortest path from source to destinationFind Duplicate rows in a binary matrixPrint all possible solutions to N Queens problemPrint all Possible Knights Tours in a chessboardFind Shortest Path in MazeFind Longest Possible Route in a Matrix, Chess Knight Problem Find Shortest path from source to destinationLee algorithm | Shortest path in a MazeFind shortest safe route in a field with sensors presentFlood fill AlgorithmCount the number of islandsFind Shortest path from source to destination in a matrix that satisfies given constraintsGenerate binary numbers between 1 to NCalculate height of a binary tree | Iterative & RecursiveDelete given Binary Tree | Iterative & RecursiveLevel Order Traversal of Binary TreeSpiral Order Traversal of Binary TreeReverse Level Order Traversal of Binary TreePrint all nodes of a given binary tree in specific orderPrint left view of binary treeFind next node in same level for given node in a binary treeCheck if given binary tree is complete binary tree or notPrint Diagonal Traversal of Binary TreePrint corner nodes of every level in binary treeBreadth First Search (BFS) | Iterative & Recursive ImplementationMinimum number of throws required to win Snake and Ladder gameCheck if an undirected graph contains cycle or not, Insertion sort | Iterative & RecursiveSelection sort | Iterative & RecursiveBubble sort | Iterative & RecursiveMerge SortQuicksortIterative Implementation of QuicksortHybrid QuickSortExternal merge sortCustom Sort | Sort elements by their frequency and IndexCustom Sort | Sort elements of the array by order of elements defined by the second arrayInversion Count of an arraySegregate positive and negative integers in linear time, Find the smallest window in array sorting which will make the entire array sortedFind largest number possible from set of given numbersMove all zeros present in the array to the endSort binary array in linear timeMerge Sort for Singly Linked ListGroup anagrams together from given list of wordsActivity Selection ProblemLexicographic sorting of given set of keysHeap Sort (Out-of-place and In-place implementation in C++ and C)Merge M sorted lists of variable lengthMerge M sorted lists each containing N elementsFind all palindromic permutations of a stringFind all lexicographically next permutations of a string sorted in ascending orderMerge two sorted linked lists from their endSort an array containing 0s, 1s and 2s (Dutch national flag problem)Find pair with given sum in the arrayInplace merge two sorted arraysMerge two arrays by satisfying given constraintsFind maximum product of two integers in an arrayFind all distinct combinations of given lengthFind all distinct combinations of given length with repetition allowedMerging Overlapping Intervals, Check if given expression is balanced expression or notFind duplicate parenthesis in an expressionEvaluate given postfix expressionDecode the given sequence to construct minimum number without repeated digits, Inorder Tree Traversal | Iterative & RecursivePreorder Tree Traversal | Iterative & RecursivePostorder Tree Traversal | Iterative & RecursiveFind ancestors of given node in a Binary TreeCheck if two given binary trees are identical or not | Iterative & RecursiveReverse given text without reversing the individual wordsFind all binary strings that can be formed from given wildcard patternIterative Implementation of QuicksortDepth First Search (DFS) | Iterative & Recursive Implementation, Check if given set of moves is circular or notCheck if given string is a rotated palindrome or notLongest Palindromic Substring (Non-DP Space Optimized Solution)Check if repeated subsequence is present in the string or notCheck if strings can be derived from each other by circularly rotating themConvert given number into corresponding excel column nameDetermine if two strings are anagram or notFind all binary strings that can be formed from given wildcard patternFind all interleavings of given stringsIsomorphic StringsFind all possible palindromic substrings in a stringFind all possible combinations of words formed from mobile keypadFind all possible combinations by replacing given digits with characters of the corresponding listFind all words from given list that follows same order of characters as given patternFind first k non-repeating characters in a string in single traversalGroup anagrams together from given list of wordsIntroduction to Pattern MatchingInplace remove all occurrences of AB and C from the stringLongest even length palidromic sum substringPrint string in zig-zag form in k rowsReverse given text without reversing the individual wordsRun Length Encoding (RLE) data compression algorithmValidate an IP addressFind the longest substring of given string containing k distinct charactersFind all palindromic permutations of a stringFind all substrings of a string that are permutation of a given stringFind the longest substring of given string containing all distinct charactersFind all Permutations of a given stringFind all lexicographically next permutations of a string sorted in ascending orderFind Lexicographically minimal string rotationFind all strings of given length containing balanced parenthesesFind all N-digit binary numbers with k-bits set where k ranges from 1 to NGenerate binary numbers between 1 to NFind all combinations of non-overlapping substrings of a stringCheck if given sentence is syntactically correct or notFind all N-digit strictly increasing numbers (Bottom-Up and Top-Down Approach), Combinations of words formed by replacing given numbers with corresponding English alphabetsWord Break ProblemWildcard Pattern MatchingCount number of times a pattern appears in given string as a subsequenceThe Levenshtein distance (Edit distance) problemLongest Common Subsequence | Introduction & LCS LengthLongest Common Subsequence | Space optimized versionLongest Common Subsequence of K-sequencesLongest Common Subsequence | Finding all LCSLongest Repeated Subsequence problemLongest Palindromic Subsequence using Dynamic ProgrammingLongest Common Substring problemShortest Common Supersequence | Introduction & SCS LengthShortest Common Supersequence | Finding all SCSShortest Common Supersequence | Using LCS, Trie Implementation | Insert, Search and DeleteMemory efficient Trie Implementation using Map | Insert, Search and DeleteLongest Common Prefix in given set of strings (using Trie)Lexicographic sorting of given set of keysFind maximum occurring word in given set of stringsFind first k maximum occurring words in given set of stringsFind Duplicate rows in a binary matrix, Activity Selection ProblemHuffman CodingShortest Superstring ProblemJob Sequencing Problem with DeadlinesGreedy coloring of graph, Clock angle problem Find angle between hour and minute handAdd two numbers without using addition operator | 5 methodsGenerate power set of a given setImplement power function without using multiplication and division operatorsPrint all numbers between 1 to N without using semicolonSwap two numbers without using third variable | 5 methodsDetermine the if condition to print specific outputFind maximum, minimum of three numbers without using conditional statement and ternary operator | 4 methodsFind numbers represented as sum of two cubes for two different pairsPrint Hello World with empty main() function | 3 methodsTower of Hanoi ProblemPrint all numbers between 1 to N without using any loop | 4 methodsPrint a semicolon without using semicolon anywhere in the programMultiply two numbers without using multiplication operator or loopsFind square of a number without using multiplication and division operator | 3 methodsMagnet Puzzle, Need a custom Ghost cms theme?
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