## Minimum Window Substring

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....

## Minus Minus is Plus

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...

## Minimum Number of Steps to Make Two Strings Anagram

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...

## Form the Largest Number

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...

## Longest Palindromic Substring

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:...

## First character

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...

## Distint Concat

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....

## Code Characters

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...

## Branches of Bytecode

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...

## Find the Closest Palindrome

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...

## Anagram or Not

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;...

## Aman and Math

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...

## Square Moves

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...

## Fraction to Float

Concepts Used Strings Difficulty Level Hard Problem Statement (Simplified): Print the decimal output of the fraction of two given numbers and enclose the repeating part in decimal places in brackets....

## Substring Start End Same

CONCEPTS USED: Recursion DIFFICULTY LEVEL: Easy PROBLEM STATEMENT(SIMPLIFIED): Given a string S, print the count of all contiguous substrings that start and end at the same character. For Example: Input...

## Pragya and Gold Medalist

CONCEPTS USED: Recursion DIFFICULTY LEVEL: Medium PROBLEM STATEMENT(SIMPLIFIED): Given two strings S1 and S2, print the count of all their Interleaving Strings. NOTE: Interleaving String is a string that has...

## Minimum characters required to add to given string to make it palindrome

Concepts Used Strings, LPS array KPS Algorithm Difficulty Level Hard Problem Statement (Simplified): Find the minimum number of characters required to add to the given string to make it a...