## Introduction to Data Structures | 10 most commonly used Data Structures

A data structure is a particular way of organizing data in a computer so that it can be used effectively. The idea is to reduce… Read More »

- Find k closest numbers in an unsorted array
- Building Heap from Array
- Insertion and Deletion in Heaps
- Find m-th smallest value in k sorted arrays
- Find the smallest positive number missing from an unsorted array : Hashing Implementation
- Find the shortest distance between any pair of two different good nodes
- Rearrange numbers in an array such that no two adjacent numbers are same
- Uniform-Cost Search (Dijkstra for large Graphs)
- Minimize the sum calculated by repeatedly removing any two elements and inserting their sum to the Array
- TIAA Internship Experience - Pool campus for Internship
- Introduction to Data Structures | 10 most commonly used Data Structures
- Maximum possible sub-array sum after at most X swaps
- Reduce the array to a single integer with the given operation

A data structure is a particular way of organizing data in a computer so that it can be used effectively. The idea is to reduce… Read More »

Given an array of integers. The task is to rearrange elements of the array such that no two adjacent elements in the array are same.… Read More »

Given an unsorted array with both positive and negative elements including 0. The task is to find the smallest positive number missing from the array… Read More »

Given an array arr[] of N integers and an integer X, the task is to find the maximum possible sub-array sum after applying at most… Read More »

Given an array arr[] of N integers from 1 to N. The task is to perform the following operations N – 1 times. Select two… Read More »

Given an unsorted array and two numbers x and k, find k closest values to x. Examples: Input : arr[] = {10, 2, 14, 4,… Read More »

Given an array of N elements. The task is to build a Binary Heap from the given array. The heap can be either Max Heap… Read More »

Deletion in Heap Given a Binary Heap and an element present in the given Heap. The task is to delete an element from this Heap.… Read More »

Given N elements, you can remove any two elements from the list, note their sum and add the sum to the list. Repeat these steps… Read More »

I applied to TIAA through college internship process. Round 1: Online Test The test was conducted on CoCubes platform. The test consisted of aptitude and… Read More »

Uniform-Cost Search is a variant of Dijikstra’s algorithm. Here, instead of inserting all vertices into a priority queue, we insert only source, then one by… Read More »

Given a weighted undirected connected graph with N nodes and M edges. Some of the nodes are marked as good. The task is to find… Read More »

Given k sorted arrays of possibly different sizes, find m-th smallest value in the merged array. Examples: Input: m = 5 arr[][] = { {1,… Read More »

Given a binary tree and an integer b representing budget. The task is to find the count of maximum number of leaf nodes that can… Read More »

Given a max-heap of size n, find the kth greatest element in the max-heap. Examples: Input : maxHeap = {20, 15, 18, 8, 10, 5,… Read More »