## KARAN’S RELATIVES

CONCEPTS USED: Greedy algorithm, Kruskal's algorithm. DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Karan's came home after a long time and he wants to visit all the relatives. The total number of...

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## KARAN’S RELATIVES

## First character

## Code Characters

## Maximize The Boxes

## Floor of a number

## Generate all Pairs of 0 and 1

## Factorial Zeros

## Get the Sun Light

## Find Maximum

## Find the Missing

## Quality Factor

## Rectangular Sweet Box

## Unique Array

## Unique Color Shirt

## Find the Leader

## Find Number of Sub-arrays with sum is greater than or equal to K

## Interesting Array

## Greater than Neighbor

## Greater And Least

## Friends Ages

## Matrix and combination

## Mike and Binary Number

## Check Palindrome

## Print the Pattern

## Min and Max

## Array Rotation

## First Capital Using Recursion

## Mike and Exam

## N Digit Sum

## Sliding Window

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CONCEPTS USED: Greedy algorithm, Kruskal's algorithm. DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Karan's came home after a long time and he wants to visit all the relatives. The total number of...

Concepts Used String, Hashing Difficulty Level Easy Problem Statement (Simplified): Find the first non-repeating character in the string, print -1 if all characters are repeating. See original problem statement here...

Concepts Used String Difficulty Level Easy Problem Statement (Simplified): Find the minimum length of substring, which on replacing with any other substring of the same length gives a string containing...

CONCEPTS USED: Searching, Basic Mathematics DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given chocolates of 3 types A, B, C with their frequencies f_A,f_B and f_C, you need to pack these chocolates...

CONCEPTS USED: Searching DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given a sorted array A and a number x. find the largest value in the array that is less than or equal...

CONCEPTS USED: Recursion DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given N pairs of Binary Numbers 0 and 1, your task is to generate all possible combinations such that for each 0...

CONCEPTS USED: Binary Search, Mathematics DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given a number N, your task is to find the count of all such numbers that have N trailing zeros...

CONCEPTS USED: Searching DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given an array A of unique heights of buildings. The sun is facing buildings from left to right, print the number of...

CONCEPTS USED: Arrays DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given an array A of N positive integers. The task is to find the maximum of j - i such that A[j]...

CONCEPTS USED: Basic Mathematics DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given an array A with N-1 elements, with elements from 1 to N present into it. Find a single missing element....

CONCEPTS USED: Basic Mathematics DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given a magical container such that whenever :- A Red Stone is added to the ith bag, the quality factor of...

CONCEPTS USED: Post Min array DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given an array A with N elements, your task is to divide the array in maximum possible segments such that...

CONCEPTS USED: Hashing DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given an array A with N elements containing all elements from 0 to N-1, your task is to find the maximum length...

CONCEPTS USED: Hashing DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given an array A with N integers, find the count of unique integers in the array. See original problem statement here For...

CONCEPTS USED: Basic Mathematics DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Print all those elements that have no element greater than them in the right side of the array. Print elements from...

Given an array of N elements, print the total number of sub-arrays whose sum value is greater than or equal to K. Also, it is recommended to go through from...

Concepts used: Two Pointers Technique Difficulty level: Medium Problem statement(SIMPLIFIED): Given an array A with N elements arranged in an ascending order, also given a number K. Check if their...

CONCEPTS USED: Arrays DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given an array A of N elements, your task is to print all those indexes that have values greater than its left...

CONCEPTS USED: Searching DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given a number N, find the smallest number that has same set-of-digits as N and is greater than N. If N is...

CONCEPTS USED: Hashing DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given N ages of students of a college and some conditions which determine whether A can Friend Request B or not. Determine...

CONCEPTS USED: Recursion DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given a matrix M*N containing only lowercase english alphabets, your task is to select elements from the first row one by one,...

CONCEPTS USED: Recursion DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given a number N, your task is to print all possible permutations of its Binary Representation. NOTE : Print the output in...

CONCEPTS USED: Recursion DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given a number N, check whether the number is palindrome or not using recursion. The palindrome number remains the same when its...

CONCEPTS USED: Recursion DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given a number N, print its decreasing sequence (i.e. keep subtracting by 5) till it reaches (<=0) and then print its increasing...

CONCEPTS USED: Basic Mathematics DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): With a given array of size N, find the largest (maximum) and smallest (minimum) element from the elements. See original problem...

CONCEPTS USED: Basic Mathematics DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): With a given array of size N and steps K, we have to print the array after K rotations to the...

CONCEPTS USED: Recursion DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given a String T, find the 1st occurrence of the capital (uppercase) alphabet. Print its index if present, else -1. See original...

CONCEPTS USED: Recursion DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given an array containing N elements and an integer K, find the number of ways to calculate the value of K using...

CONCEPTS USED: Recursion DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given a digit N and an integer Sum, print all the N-digit integers whose digit sum is equal to the given Sum....

CONCEPTS USED: Sliding Window Technique DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given an array A, we need to find two sub-arrays with specific lengths L and R such that sum of...