Data Structures questions and answers
Arrays, maps, trees, heaps and how to pick between them. Page 19 of 20.
Data Structures & Algorithms practice on Codemia
Step through 300 algorithm problems with animated visualisers that show the data structure changing as the code runs.
Answers 1081-1140
- Finding items in an universal hash table?
- Finding kth-shortest paths?
- Finding kth smallest number from n sorted arrays
- Finding length of shortest cycle in undirected graph
- finding maximum sum of a disjoint sequence of an array
- Finding median of large set of numbers too big to fit into memory
- Finding median of list in Python
- Finding middle element of linked list with 1 pass, is this a creative useless answer?
- Finding Minimum Completion Time of Scheduled Tasks with Topological Sort
- Finding minimum cut-sets between bounded subgraphs
- Finding multiple entries with binary search
- Finding neighbourhoods cliques in street data a graph
- Finding number of concurrent events given start and end times
- Finding number of nodes within a certain distance in a rooted tree
- Finding number of subarrays whose sum equals k
- Finding out the duplicate element in an array
- Finding out the minimum difference between elements in an array
- Finding overlapping data in arrays
- Finding patterns in list
- Finding reachable vertices for every vertex in a directed graph
- Finding set of pairs that correspond to list of sums
- Finding Strongly Connected Components in a graph through DFS
- Finding sum of elements in Swift array
- Finding the average of a list
- Finding the first duplicate in an int array, java
- Finding the first n largest elements in an array
- Finding the first non-repeated character of a string in On using a boolean array?
- Finding the first UIP in an inference graph
- Finding the index of elements based on a condition using python list comprehension
- Finding the intersecting node from two intersecting linked lists
- Finding the kth quantiles of an n-elements set. From cormen
- Finding the largest subarray with equal number of 0's and 1's
- Finding the Longest Common Substring in a Large Data Set
- Finding the longest repeated substring without suffix arrays or suffix trees
- Finding the lowest unused unique id in a list
- Finding the maximum subsequence binary sets that have an equal number of 1s and 0s
- Finding the max/min value in an array of primitives using Java
- Finding the max/min value in an array of primitives using Java
- Finding the median of an unsorted array
- Finding the most tree-like hierarchy that explains the data
- Finding the n-degree neighborhood of a node
- Finding the position of the maximum element
- Finding the second highest number in array in Java
- Finding the second smallest number from the given list using divide-and-conquer
- Finding the total number of set-bits from 1 to n
- finding the width of a binary tree
- Finding three elements in an array whose sum is closest to a given number
- Finding translation and scale on two sets of points to get least square error in their distance?
- Finding two non-subsequent elements in array which sum is minimal
- Finding unique numbers from sorted array in less than On
- First occurrence in a binary search
- Flatten an Array of Arrays in Swift
- Flatten an irregular arbitrarily nested list of lists
- Flatten nested dictionaries, compressing keys
- Flattening a shallow list in Python
- Flip two-dimensional associative array in PHP
- foreach vs someList.ForEach
- Format y axis as percent
- Four color theorem Java implementation of U.S. map
- Freezing graph to pb in Tensorflow2

Course
Intermediate
27 lessons
15 hours
DSA Fundamentals
Master algorithmic patterns and data structures through hands-on LeetCode-style problems - from arrays and hashing to dynamic programming and advanced graphs.
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