Searching and Sorting: Find the smallest and second smallest elements in an array
Problem Statement: You are given an unsorted array. You need to find the first and second smallest element in that unsorted array. You need to…
Matrix: Find pair with maximum sum in the matrix.
Problem Statement: You are given a matrix arr[n][n]. You need to find the sum of pair with max sum. Example Input : mat[N][M] = {{1, 2, 3, 4},…
Strings: Second most repeated word in a sequence
Problem Statement: You are given a strings, your task is to find the second most repeated string in the given sequence. Example Input :…
Strings: Given a string convert into its equivalent ASCII form
Problem Statement: Given a string convert into its equivalent ASCII format. Example Input : hello, world! Output :…
Strings: Remove all consecutive duplicates from the string
Problem Statement: Given a string, remove all the consecutive duplicates Example Input : aaaaabbbbbb Output : ab Solution Solution is very…
Arrays: Program to check if an Array is Palindrome or not
Problem Statement: Given an unsorted array, check if it is palindrome array or not. Example: arr[] = {1, 2, 0, 2, 1} Output: Palindrome…
Arrays: Find triplet with minimum sum
Problem Statement: Given an unsorted array, you need to find 3 elements whose sum is the minimum. Example: arr = {-1, 2, 3, -2}; Output: -1…
Arrays: Merge sorted array inplace
Problem Statement: You are given with 2 sorted arrays, you need to merge the array in-place. You may assume that the first array will have…
Power Set
Problem Statement: You are given a set, you need to find all the subsets of that set. Example set = {a, b, c} Power set = {{}, {a}, {b}, {c},…
Copy set bits in a range
Problem Statement: You are given 2 numbers x and y and a range [i,r] 1 <= l, r <= 32. You need to set bits of y in range [l, r] that are…