Given a square matrix of n order in which two positions are filled. Fill two more positions such that a rectangle is formed by joining all points. Examples: Input: n=4 Matrix[][]= 1 Read more →
Algorithms
6 postsGiven two lowercase alphabet strings s and t return whether you can create a 1-to-1 mapping for each letter in s to another letter (could be the same letter) such that s Read more →
The min-product of an array is equal to the minimum value in the array multiplied by the array’s sum. For example, the array [3,2,5] (minimum value is 2) has a min-product of Read more →
Given an array of distinct positive integers arr[] of length N, the task is to count all the number of pairs of indices (i , j) such that a[j]−a[i] = j−i given Read more →
Given an integer array nums, return the sum of floor(nums[i] / nums[j]) for all pairs of indices 0 <= i, j < nums.length in the array. The floor() function returns the integer Read more →
In a country some special kinds of coins are available. The coin’s value is decided by a rule, that the values of the coins are first N positive odd numbers. As an Read more →
Mithlesh has ‘N’ buckets each consisting of some fruits. Mithlesh wants to eat at least ‘M’ fruits and so, he decided to set a marker (integer) as maximum as possible such that Read more →
Given a vector vec, and a integer K the task is to count the number of elements such that it occurs only once in the vector and with the number Kth times Read more →
Given two arrays a and b of the same size. Find the count of total pair in array a, such that the sum of elements of pair of array a is greater Read more →
Given an array consisting of integers in range 1 to n consisting of only one duplicate element. Find out the duplicate element in O(logN) time. Examples: Input : 6 1 1 2 Read more →