# Status Problem video Level Completes Likes
385

String to Integer (AtoI - ASCII to Integer) - Recursive Solution

Medium % 0
384

Grouping of Anagrams

Medium % 0
379

Sieve of Eratosthenes - Find all Prime Numbers less than equal to N | Set 2

Medium % 0
377

Convert Postfix to Infix Expression

Medium % 0
373

Longest substring with at most two unique characters

Medium % 0
372

Monotone Increasing Digits - Leetcode

Medium % 1
371

Convert Infix to Prefix Expression

Medium % 0
365

Convert Infix to Postfix Expression

Medium % 0
363

Evaluation of Infix expressions

Medium % 0
361

Convert Prefix to Infix Expression

Medium % 0
354

Valid Multiple Parentheses

Medium % 1
343

Generate all the strings of length n from 0 to k-1

Medium % 0
328

Heap Sort

Medium % 0
325

Find no of reverse pairs in an array which is sorted in two parts in O(N)

Medium % 1
319

Get the Sum of Digits in a number till it become a single digit

Medium % 0
317

Check if given number is Prime - O(√N) Solution

Medium % 0
307

Swap two numbers using Bitwise XOR Operator

Medium % 1
305

Find number of Distinct Permutations of a String

Medium % 0
296

Replace all vowels with next consonant in a given string

Medium % 0

String to Integer (AtoI - ASCII to Integer) - Recursive Solution

Grouping of Anagrams

Sieve of Eratosthenes - Find all Prime Numbers less than equal to N | Set 2

Convert Postfix to Infix Expression

Longest substring with at most two unique characters

Monotone Increasing Digits - Leetcode

Convert Infix to Prefix Expression

Convert Infix to Postfix Expression

Evaluation of Infix expressions

Convert Prefix to Infix Expression

Valid Multiple Parentheses

Generate all the strings of length n from 0 to k-1

Heap Sort

Find no of reverse pairs in an array which is sorted in two parts in O(N)

Get the Sum of Digits in a number till it become a single digit

Check if given number is Prime - O(√N) Solution

Swap two numbers using Bitwise XOR Operator

Find number of Distinct Permutations of a String

Replace all vowels with next consonant in a given string