Given an array arr[] of N integers, the task is to delete the element from the given array if element to it’s left is smaller… Read More

# Category Archives: Competitive Programming

Given an unsorted array arr[] having N elements, the task is to find out the median of the array in linear time complexity. Examples: Input:… Read More

Given a positive integer N, the task is to find the average of cubes of first N natural numbers. Examples: Input: N = 2 Output: 4.5 Explanation: For integer… Read More

Given string str of the lowercase alphabet and an integer K, the task is to count all substrings of length K which have exactly K… Read More

Given a directed graph and a source vertex in the graph, the task is to find the shortest distance and path from source to target… Read More

Pre-requisite: Merge Sort, Insertion Sort Merge Sort: is an external algorithm and based on divide and conquer strategy. In this sorting: The elements are split… Read More

Given two strings A and B, the task is to split the string A into the minimum number of substrings such that each substring is… Read More

Pre-requisite: Policy based data structure Given an array arr[], the task is to find the number of inversions for each element of the array. Inversion… Read More

Given a number N, the task is to calculate the total number of corresponding different bit in the binary representation for every consecutive number from… Read More

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Given a binary string S, and an integer K, the task is to find the minimum number of flips required such that every substring of… Read More

Given 5 integers say A, B, C, D, and E which represents the cubic equation , the task is to find the integral solution for this… Read More

Given an array arr[] of size N which contains the permutations of the N natural numbers, the task is to sort the permutations of N… Read More