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All Problems

# Status Problem video Level Completes Likes
550

Debugging Techniques- How to Efficiently Find and Fix Software Bugs

Medium % 1
546

Converting to Non-Decreasing Array with One Change

Medium % 0
544

Counting the Largest Number Groups by Digit Sum

Medium % 2
543

Adding One to a Number Represented by an Array

Medium % 1
538

Find The Minimum time difference

Medium % 1
533

In an array, Duplicate the zeroes without expanding it

Beginner % 0
519

Random character in a given string - Java

Beginner % 0
514

Sort 0, 1, 2 in an array - Part 2

Beginner % 0
511

Sum of all the overlapping elements

Beginner % 0
508

Get specific row K in a Pascal Triangle

Medium % 0
494

Check if the given playlist of programs is valid

Beginner % 1
471

Two Sum Problem

Beginner % 0
469

Given an array, find the number of all pairs with odd sum.

Medium % 0
466

Lexicographically next permutation With One swap

Medium % 1
463

Combinations with sum K from a given number N with repetition

Medium % 0
459

Given an array, find three-element sum closest to Zero

Medium % 1
456

Subsets Elements less than K.

Medium % 0
424

Check if given undirected graph is connected or not

Beginner % 0
421

Sort a given stack - Using Recursion

Hard % 1
420

Number's Complement - 2 Approaches

Medium % 1
413

ZigZag OR Diagonal traversal in 2d array/Matrix using queue

Medium % 0
408

Number of Islands

Medium % 1
392

Reverse a Stack using recursion - In Place (Without using extra memory)

Hard % 1
375

String to Integer (AtoI - ASCII to Integer)

Beginner % 1
369

Find duplicates Characters in the given String

Beginner % 0
346

Valid Brackets – Part 2 | Stack Method

Beginner % 0
331

Find Largest and Smallest word in a given String

Beginner % 0
325

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

Medium % 1
323

How to Reverse Text: Stack Method for String Reversal

Beginner % 0
307

Swap two numbers using Bitwise XOR Operator

Medium % 1
298

Left Shift (<<) and Right Shift (>>) Operators

Beginner % 1
271

Snake and Ladder Problem

Hard % 1

Debugging Techniques- How to Efficiently Find and Fix Software Bugs

Converting to Non-Decreasing Array with One Change

Counting the Largest Number Groups by Digit Sum

Adding One to a Number Represented by an Array

Find The Minimum time difference

In an array, Duplicate the zeroes without expanding it

Random character in a given string - Java

Sort 0, 1, 2 in an array - Part 2

Sum of all the overlapping elements

Get specific row K in a Pascal Triangle

Check if the given playlist of programs is valid

Two Sum Problem

Given an array, find the number of all pairs with odd sum.

Lexicographically next permutation With One swap

Combinations with sum K from a given number N with repetition

Given an array, find three-element sum closest to Zero

Subsets Elements less than K.

Check if given undirected graph is connected or not

Sort a given stack - Using Recursion

Number's Complement - 2 Approaches

ZigZag OR Diagonal traversal in 2d array/Matrix using queue

Number of Islands

Reverse a Stack using recursion - In Place (Without using extra memory)

String to Integer (AtoI - ASCII to Integer)

Find duplicates Characters in the given String

Valid Brackets – Part 2 | Stack Method

Find Largest and Smallest word in a given String

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

How to Reverse Text: Stack Method for String Reversal

Swap two numbers using Bitwise XOR Operator

Left Shift (<<) and Right Shift (>>) Operators

Snake and Ladder Problem