## Count of words that are present in all the given sentences

Given n sentences. The task is to count the number of words that appear in all of these sentences. Note that every word consists of… Read More »

- k-th missing element in an unsorted array
- Number of unique pairs in an array
- Choose atleast two elements from array such that their GCD is 1 and cost is minimum
- Count of words that are present in all the given sentences
- Find the longest string that can be made up of other strings from the array
- Minimum length substring with exactly K distinct characters
- Count occurrences of a string that can be constructed from another given string
- Sum of nodes in bottom view of Binary Tree
- Rearrange characters in a string such that no two adjacent are same using hashing
- Split the array elements into strictly increasing and decreasing sequence
- Sum of nodes in top view of binary tree
- Maximum length of the sub-array whose first and last elements are same
- Count duplicates in a given linked list
- Remove all occurrences of any element for maximum array sum
- Find uncommon characters of the two strings | Set 2
- Count of unique pairs (arr[i], arr[j]) such that i < j
- Minimum number of given operations required to convert a permutation into an identity permutation
- Number of subarrays such that XOR of one half is equal to the other
- Print the first shortest root to leaf path in a Binary Tree
- Design a stack which can give maximum frequency element
- Flip minimum signs of array elements to get minimum sum of positive elements possible
- Count of pairs of strings which differ in exactly one position
- Two equal sum segment range queries
- Count equal pairs from given string arrays
- Count all elements in the array which appears at least K times after their first occurrence
- Minimum changes required to make a Catalan Sequence
- Find d to maximize the number of zeros in array c[] created as c[i] = d*a[i] + b[i]
- Maximum product from array such that frequency sum of all repeating elements in product is less than or equal to 2 * k
- Count of pairs between two arrays such that the sums are distinct
- Longest sub-sequence of array containing Lucas numbers

Given n sentences. The task is to count the number of words that appear in all of these sentences. Note that every word consists of… Read More »

Given an array arr[], the task is to print the count of unique pairs (arr[i], arr[j]) such that i < j. Examples: Input: arr[] =… Read More »

Given an array arr[] of N elements and an integer K, the task is to find the number of ways of choosing an integer X… Read More »

Given an integer N, the task is to find out whether it can be written as a sum of 2 triangular numbers (which may or… Read More »

Given two strings str1 and str2 where str1 being the parent string. The task is to find out the number of string as str2 that… Read More »

Given an array of N elements, the task is to find all the unique pairs that can be formed using the elements of a given… Read More »

Given two integer arrays arr[] and cost[] where cost[i] is the cost of choosing arr[i]. The task is to choose a subset with at least… Read More »

Given a starting position ‘k’ and two jump sizes ‘d1’ and ‘d2’, our task is to find the minimum number of jumps needed to reach… Read More »

Given a Binary Tree, return following value for it. For every level, compute sum of all leaves if there are leaves at this level. Otherwise… Read More »

Given an unsorted array, count all distinct elements in it. Examples: Input : arr[] = {10, 20, 20, 10, 30, 10} Output : 3 There… Read More »

You are given an array of strings str[], the task is to find the score of a given string s from the array. The score… Read More »

Given a integer k and a sting str, the task is to count the number of distinct sub-strings such that each sub-string does not contain… Read More »

Question: Write code in C# to Hash an array of keys and display them with their hash code. Answer: Hashtable is a widely used data… Read More »

In a given Cartesian plane, there are N points. The task is to find the Number of Pairs of points(A, B) such that Point A… Read More »

Given an array of integers arr[], the task is to count all the pairs (arr[i], arr[j]) such that i + j = arr[i] + arr[j]… Read More »