Problem Statement In the “Kth Non-repeating Character” we have given a string “s”. Write a program to find out the kth non-repeating_character. If there are less than k character which is non-repeating in the string then print “-1”. Input Format The first and only one line containing a string “s”. …
Problem Statement In the “Longest Palindrome can be Formed by Removing or Rearranging Characters” problem we have given a string “s”. Find the longest palindrome that can be constructed by removing or rearranging some characters or possibly zero characters from the string. There may be multiple solutions possible, you can …
Problem Statement In the “Count Number of Substrings with K Distinct Character’s” problem, we have given a string “s” which has only lowercase alphabets and an integer value k. Write a program that will print the number of possible substrings that have exactly k distinct characters. Input Format The first …
Problem Statement In the “Pangram Checking” problem we have given a sentence “s”. Check if the given sentence/string is Pangram or not. A Pangram is a sentence/string containing every letter of the alphabet from a to z or No case sensitivity. Input Format The first and only one line containing …
Problem Statement In the “Longest Span with same Sum in two Binary Arrays II” problem, we have given two binary arrays “a” and “b” with the same size. Write a program to print the longest span with the same sum in two arrays. This can be clearly explained in the …
Problem Statement In the “Sort Elements by Frequency II” problem we have given an array a[]. Sort the array according to the frequency of the elements where the higher frequency element comes first then others. Input Format The first and only one line containing an integer n. Second-line containing n …
Problem Statement In the “Largest Subarray with Equal Number of 0’s and 1’s” problem, we have given an array a[] containing only 0 and 1. Find the largest subarray with an equal number of 0’s and 1’s and will print the start index and end index of the largest subarray. …
Problem Statement In the “Elements Appear more than N/K times in Array” problem we have given an integer array of size n. Find the elements which appear more than n/k times. Where k is the input value. Input Format The first and only one line containing two integers N and …
Problem Statement In four elements that sum to a given problem, we have given an array containing N elements that may be positive or negative. Find the set of four elements whose sum is equal to given value k. Input Format First-line containing an integer N. Second-line containing an array …
Problem Statement In the subarray with the given sum problem, we have given an array containing n positive elements. We have to find the subarray in which the sum of all the elements of the subarray equal to a given_sum. Subarray is obtained from the original array by deleting some …