## Find the minimum number of elements that should be removed to make an array good

Given an array of size N and an integer K. The array consists of only digits {0, 1, 2, 3, …k-1}. The task is to… Read More »

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Given an array of size N and an integer K. The array consists of only digits {0, 1, 2, 3, …k-1}. The task is to… Read More »

Given an integer N, the task is to find the Nth Mosaic number. A Mosaic number can be expressed as follows: If N = Aa… Read More »

Given an integer N, the task is to print the first N terms of the Lower Wythoff sequence. Examples: Input: N = 5 Output: 1,… Read More »

Given a array ‘a[]’ of size n and number of queries q. Each query can be represented by a integer m. Your task is to… Read More »

Given an integer N, the task is to count the number of possible Binary Search Trees with N keys. Examples: Input: N = 2 Output:… 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 two arrays such that the first array contains multiples of an integer n which are less than or equal to k and similarly, the… Read More »

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Given an integer N, for every integer i in the range 2 to N, assign a positive integer such that the following conditions hold :… Read More »

Given a sorted array of positive integers where arr[i] > 2*arr[i-1], check whether a sub sequence exists whose sum is equal to k. Examples: Input… Read More »

A trip to mystical land is going to be organized in ByteLand, the city of Bytes. Unfortunately, there are limited seats say A and there… Read More »

Given two strings s1 and s2, the task is to find whether the two string contain the same characters that occur in the same order.… Read More »

Given an array of strings arr[] and Q queries where each each query consists of a string str, the task is to find the longest… Read More »

Given an N * M matrix mat[][] which consists of two types of characters ‘.’ and ‘_’. The task is to fill the matrix in… Read More »

Given a string str of size N, the task is to find the sum of all ASCII values of the characters which are present at… Read More »