## Find the Window

Concepts Used Sorting Difficulty Level Medium Problem Statement (Simplified): Find the minimum length of the subarray when sorted completely sorts the given array. See original problem statement here Test Case...

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## Find the Window

## Search Triplets

## ACTIVITY SELECTION PROBLEM

## Salvation of Soul

## Minimum Window Substring

## Aman and Shopping

## Minus Minus is Plus

## Hometown Newspaper

## Minimum Dissatisfaction

## Minimum Number of Steps to Make Two Strings Anagram

## Form the Largest Number

## Longest Palindromic Substring

## Maximum Sum Rupees

## Maximum Divisors in a Range

## Find the Inversion Count

## Chocolates

## First character

## Distint Concat

## Code Characters

## Branches of Bytecode

## Find the Closest Palindrome

## Maximize The Boxes

## Magical Ropes

## Floor of a number

## Generate all Pairs of 0 and 1

## Factorial Zeros

## Get the Sun Light

## Anagram or Not

## Aman and Math

## Square Moves

Concepts Used Sorting Difficulty Level Medium Problem Statement (Simplified): Find the minimum length of the subarray when sorted completely sorts the given array. See original problem statement here Test Case...

Concepts Used Sorting Difficulty Level Medium Problem Statement (Simplified): We have to find a triplet (n_{1}, n_{2}, n_{3}) in array such that sum of two number i.e. n_{1}+n_{2} equals to...

CONCEPTS USED: Greedy algorithm. DIFFICULTY LEVEL: Medium. PROBLEM STATEMENT(SIMPLIFIED): PrepBuddy is given N activities with their start and finish times. The task is to select the maximum number of activities...

Concepts Used Sorting Difficulty Level Medium Problem Statement (Simplified): For a given array, shift elements to the back of array until you get the minimum value of the whole array,...

Concepts Used Strings, Hashing Difficulty Level Hard Problem Statement (Simplified): Find the minimum size of the substring of string S which contains all the character from a given string T....

Concepts Used Sorting Difficulty Level Easy Problem Statement (Simplified): For a given array A, find the total number of elements you can pick in given capacity X. You can't pick...

Concepts Used Strings Difficulty Level Medium Problem Statement (Simplified): Given two string S and T containing only - and +. Two - together can form a single +. If it...

Concepts Used Sorting Difficulty Level Medium Problem Statement (Simplified): Print the Strings according to their priority and category. If string belongs to hometown, it will have a priority higher than...

Concepts Used Sorting, Mathematics Difficulty Level Hard Problem Statement (Simplified): For a given of N students, we are given two values P_{i} and Q_{i}. Find the minimum possible sum of...

Concepts Used Strings, Hashing Difficulty Level Medium Problem Statement (Simplified): For given two string, Print minimum number of steps to make them anagram. See original problem statement here Test Case...

Concepts Used Strings, Sorting Difficulty Level Hard Problem Statement (Simplified): Given an array of numbers, arrange them in such a way that they form the largest number on joining. See...

Concepts Used Strings Difficulty Level Medium Problem Statement (Simplified): Find the longest palindromic substring in a given string and print the substring. See original problem statement here Test Cases: Input:...

Concepts Used Sorting Difficulty Level Hard Problem Statement (Simplified): We have to find the maximum sum of elements from two arrays, such that you can select elements to add only...

Concepts Used Sorting Difficulty Level Hard, Mathematics Problem Statement (Simplified): For a given range p and q, find the highest common factor of two given numbers, i.e. a and b....

Concepts Used Sorting Difficulty Level Hard Problem Statement (Simplified): Find number of pairs such that a[i] > a[j] and i < j. Test Case Input: 1 5 10 50 20...

Concepts Used Sorting Difficulty Level Medium Problem Statement (Simplified): For given values of N and K, an array of N elements is given. You can pick at most K items...

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 Hard Problem Statement (Simplified): Find the total number of substrings which are the concatenation of the same strings, e.g.PP if formed by concatenating P twice....

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 String Difficulty Level Hard Problem Statement (Simplified): For given n strings and a separator s, print n/2 number of strings of equal length, by concatenating two substrings with...

Concepts Used Strings Difficulty Level Hard Problem Statement (Simplified): For given numbers we have to print the nearest anagram to it if two numbers are equidistant and anagram to the...

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: Binary Search DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given an array H of lengths of Magical Ropes and array R of the rate by which rope increases daily, print...

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 Strings, Hashing Difficulty Level Easy Problem Statement (Simplified): Check if string B can be achieved by A by rearranging letters of A. If yes print Yes else No;...

Concepts Used Strings Difficulty Level Hard Problem Statement (Simplified): Find the maximum answer by evaluating the given string and putting a bracket anywhere in the string. See original problem statement...

Concepts Used Strings, Hash Table Difficulty Level Hard Problem Statement (Simplified): Find the total number of children standing on each square after 10100 rotations by every individual child. Each child...