## Largest substring where all characters appear at least K times | Set 2

Given a string str and an integer K, the task is to find the length of the longest sub-string S such that every character in… Read More »

Given a string str and an integer K, the task is to find the length of the longest sub-string S such that every character in… Read More »

Given an integer array arr[] consisting of N integers, the task is to find the nearest Prime Number in the array for every element in… Read More »

Given an array arr[] of N integers and a number K. The task is to count the number of subarray with exactly K Prime Numbers.… Read More »

Given a string P consisting of small English letters and a string Q consisting of weight of all characters of English alphabet such that for… Read More »

Given string str of size N, the task is to remove all the characters from the string that have odd frequencies. Examples: Input: str =… Read More »

Hashing is a data structure that is used to store a large amount of data, which can be accessed in O(1) time by operations such… Read More »

Given a permutation of integers from 1 to N and an integer M, the task is to check if any subarray of the given permutation… Read More »

Given a grid of size H*W with all cells initially white. Given N pairs (i, j) in an array, for each pair, paint cell (i,… Read More »

Given an array A[] and positive integer K, the task is to count the total number of pairs in the array whose sum is divisible… Read More »

Kotlin HashMap is a collection which contains pairs of object. Kotlin Hash Table based implementation of the MutableMap interface. It stores the data in the… Read More »

Given an unsorted array arr[] of size n, the task is to find the minimum difference between any pair in the given array. Input: arr[]… Read More »

Given a string S of length N consisting of lower-case English albhabets and an integer ‘l’, find the number of distinct sub-strings of length ‘l’… Read More »

Given two strings A, B and some queries consisting of an integer i, the task is to check whether the sub-string of A starting from… Read More »

Given two binary strings s and t. The task is to rearrange the string s in such a way that the occurrence of string t… Read More »

Given a linked list, the task is to find the sum of all the odd frequency nodes from the given linked list. Examples: Input: 8… Read More »