C-Code Quest -100

Two Sum (LeetCode #1)

Best Time to Buy and Sell Stock (LeetCode #121)

Contains Duplicate (LeetCode #217)

Product of Array Except Self (LeetCode #238)

Maximum Subarray (LeetCode #53)

Move Zeroes (LeetCode #283)

Rotate Array (LeetCode #189)

Plus One (LeetCode #66)

Merge Sorted Array (LeetCode #88)

Find All Numbers Disappeared in an Array (LeetCode #448)

Third Maximum Number (LeetCode #414)

Array Manipulation (HackerRank)

2D Array - DS (HackerRank)

Left Rotation (HackerRank)

Sparse Arrays (HackerRank)

Array Reversal (HackerRank)

Dynamic Array (HackerRank)

Ice Cream Parlor (HackerRank)

Birthday Chocolate (HackerRank)

Divisible Sum Pairs (HackerRank)

Remove Duplicates from Sorted Array (LeetCode #26)

Find the Duplicate Number (LeetCode #287)

Kth Largest Element in an Array (LeetCode #215)

Find Pivot Index (LeetCode #724)

Valid Anagram (LeetCode #242)

Longest Palindromic Substring (LeetCode #5)

Palindrome Number (LeetCode #9)

Implement strStr() (LeetCode #28)

String to Integer (atoi) (LeetCode #8)

Count and Say (LeetCode #38)

Longest Common Prefix (LeetCode #14)

Reverse String (LeetCode #344)

Reverse Words in a String (LeetCode #151)

First Unique Character in a String (LeetCode #387)

Valid Parentheses (LeetCode #20)

Add Binary (LeetCode #67)

Longest Substring Without Repeating Characters (LeetCode #3)

Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree (LeetCode #1430)

Group Anagrams (LeetCode #49)

String Matching in an Array (LeetCode #1408)

Alternating Characters (HackerRank)

Sherlock and the Valid String (HackerRank)

Special String Again (HackerRank)

Common Child (HackerRank)

String Compression (LeetCode #443)

String to Integer (atoi) (LeetCode #8)

Valid Palindrome (LeetCode #125)

Implement strstr() (LeetCode #28)

Pointer Basics (HackerRank)

Pointer Arithmetic (Custom Problem)

Dynamic Memory Allocation (Custom Problem)

Sum of Array Elements using Pointers (Custom Problem)

Pointer to Pointer (Custom Problem)

Malloc and Free (Custom Problem)

Calloc vs Malloc (Custom Problem)

Pointer and Arrays (Custom Problem)

Pointer Swapping (Custom Problem)

Pointer Array (Custom Problem)

Memory Leak Detection (Custom Problem)

Pointer Function Arguments (Custom Problem)

Basic Input and Output (HackerRank)

Sum and Difference of Two Numbers (HackerRank)

Print Reverse of a Number (Custom Problem)

Reading and Writing to Files (Custom Problem)

Count Characters in a File (Custom Problem)

Copy One File to Another (Custom Problem)

End of File (EOF) Handling (Custom Problem)

Roman to Integer (LeetCode #13)

Integer to Roman (LeetCode #12)

Factorial Trailing Zeroes (LeetCode #172)

Happy Number (LeetCode #202)

Excel Sheet Column Number (LeetCode #171)

Ugly Number (LeetCode #263)

Perfect Number (LeetCode #507)

Palindrome Number (LeetCode #9)

Power of Two (LeetCode #231)

Count Primes (LeetCode #204)

Fizz Buzz (LeetCode #412)

Add Digits (LeetCode #258)

Single Number (LeetCode #136)

Missing Number (LeetCode #268)

Repeated Substring Pattern (LeetCode #459)

Valid Perfect Square (LeetCode #367)

Arranging Coins (LeetCode #441)

Find the Difference (LeetCode #389)

Island Perimeter (LeetCode #463)

Guess Number Higher or Lower (LeetCode #374)

Sqrt(x) (LeetCode #69)

Power(x, n) (LeetCode #50)

Binary Representation of a Number (Custom Problem)

Convert Integer to Binary String (Custom Problem)