## Find the smallest positive number missing from an unsorted array | Set 3

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

## Print combinations of distinct numbers which add up to give sum N

Given a positive integer N, the task is to find out all the combinations of positive integers that add upto the given integer N. The… Read More »

## Find the Jaccard Index and Jaccard Distance between the two given sets

Given two sets of integers s1 and s2, the task is to find the Jaccard Index and the Jaccard Distance between the two sets. Examples:… Read More »

## Find the lexicographically smallest sequence which can be formed by re-arranging elements of second array

Given two arrays A and B of N integers. Reorder the elements of B in itself in such a way that the sequence formed by… Read More »

## Distinct pairs from given arrays (a[i], b[j]) such that (a[i] + b[j]) is a Fibonacci number

Given two arrays a[] and b[], the task is to count the pairs (a[i], b[j]) such that (a[i] + b[j]) is a Fibonacci number.Note that… Read More »

## Total distinct pairs from two arrays such that second number can be obtained by inverting bits of first

Given two arrays arr1[] and arr2[], the task is to take an element from first array (say a) and one element from second array (say… Read More »

## Distinct state codes that appear in a string as contiguous sub-strings

Every state is represented by string of length 2. For example DL is used for Delhi, HP for Himachal Pradesh, UP for Uttar Pradesh, PB… Read More »

## Greatest number less than equal to B that can be formed from the digits of A

Given two integers A and B, the task is to find the greatest number ≤ B that can be formed using all the digits of… Read More »

## Count triplet pairs (A, B, C) of points in 2-D space that satisfy the given condition

Given N points in 2 dimensional space. The task is to count the number of triplets pairs (A, B, C) such that point B is… Read More »

## Maximum of all Subarrays of size k using set in C++ STL

Given an array of size N and an integer K, the task is to find the maximum for each and every contiguous sub-array of size… Read More »

## Print all integers that are sum of powers of two given numbers

Given three non-negative integers x, y and bound, the task is to print all the powerful integer ≤ bound in sorted order. A powerful integer… Read More »

## Find Maximum and Minimum element in a Set in C++ STL

Given a Set, the task is to find the maximum and minimum element of this set in C++ STL. Examples: Input: set={1, 6, 15, 10,… Read More »

## How to delete an element from the Set by passing its value in C++

Given a Set, the task is to remove the last element from this Set in C++. Examples: Input: set = [10 20 30 70 80… Read More »

## How to delete a range of values from the Set using Iterator

Given a Set, the task is to delete a range of values from this Set using Iterator. Example: Input: set = [10 20 30 40… Read More »

## Minimum Numbers of cells that are connected with the smallest path between 3 given cells

Given coordinates of 3 cells (X1, Y1), (X2, Y2) and (X3, Y3) of a matrix. The task is to find the minimum path which connects… Read More »