Problems # Title Likes 36 Count Negative Numbers in a Row And Column Wise Sorted Matrix [Amazon] 0 37 currying : javascript interview question 0 38 flatten three level deep tree 0 39 Find the first common ancestor of two nodes in a binary tree 0 40 Find the in-order successor of a given node in a binary search tree 0 41 Distinct ways to reach the n’th stair 0 42 Implement zip in javascript 0 43 Implement reduce in javascript 0 44 Implement concatAll in javascript 0 45 Lambda operator filter and map chaining 0 46 Implement filter in javascript 0 47 Implement map in javascript 0 48 Getting started with Functional programming in javascript 0 49 Use map to accept an additional argument in javascript 0 50 Closures, Currying, Partially applied functions in javascript demystified 0 51 find pivot in an sorted rotated array 0 52 Dedupe an array in javascript 0 53 Find duplicates in an array using javascript 0 54 Algorithm: find unique characters in a string using javascript 0 55 Implement twit box word limiting feature 0 56 Create a bar chart from json 0 57 Queue using two stacks javascript 0 58 Sort the stack in ascending order 0 59 Tower of hanoi 0 60 Detect start of a loop in linked list 0 61 Find loop length in a cyclic/circular linked list 0 62 Detect a loop in cyclic/circular linked list 0 63 Determine if a binary tree is a binary search tree 0 64 Implement a debounce function in javascript 0 65 Given the binary tree create linked lists of the nodes at the same level 0 66 Word break problem dynamic programming 0 67 Introduction to backtracking 0 68 Pascals triangle javascript code 0 69 Flatten nested array javascript 0 70 Generate all permutations of a given array using backtracking 0 Count Negative Numbers in a Row And Column Wise Sorted Matrix [Amazon] currying : javascript interview question flatten three level deep tree Find the first common ancestor of two nodes in a binary tree Find the in-order successor of a given node in a binary search tree Distinct ways to reach the n’th stair Implement zip in javascript Implement reduce in javascript Implement concatAll in javascript Lambda operator filter and map chaining Implement filter in javascript Implement map in javascript Getting started with Functional programming in javascript Use map to accept an additional argument in javascript Closures, Currying, Partially applied functions in javascript demystified find pivot in an sorted rotated array Dedupe an array in javascript Find duplicates in an array using javascript Algorithm: find unique characters in a string using javascript Implement twit box word limiting feature Create a bar chart from json Queue using two stacks javascript Sort the stack in ascending order Tower of hanoi Detect start of a loop in linked list Find loop length in a cyclic/circular linked list Detect a loop in cyclic/circular linked list Determine if a binary tree is a binary search tree Implement a debounce function in javascript Given the binary tree create linked lists of the nodes at the same level Word break problem dynamic programming Introduction to backtracking Pascals triangle javascript code Flatten nested array javascript Generate all permutations of a given array using backtracking 1 2 3 4