C

Algorithms-solutions

Problem name	Difficulty	Languages	LeetCode
Container With Most Water			link
Count and Say			link
Combination Sum			link
Combination Sum II			link
Climbing Stairs			link
Combinations			link
Construct Binary Tree from Preorder and Inorder Traversal			link
Construct Binary Tree from Inorder and Postorder Traversal			link
Convert Sorted Array to Binary Search Tree			link
Convert Sorted List to Binary Search Tree			link
Clone Graph			link
Candy			link
Copy List with Random Pointer			link
Compare Version Numbers			link
Count Primes			link
Course Schedule			link
Course Schedule II			link
Combination Sum III			link
Contains Duplicate			link
Contains Duplicate II			link
Contains Duplicate III			link
Count Complete Tree Nodes			link
Count of Smaller Numbers After Self			link
Create Maximum Number			link
Coin Change			link
Count of Range Sum			link
Counting Bits			link
Count Numbers with Unique Digits			link
Combination Sum IV			link
Convert a Number to Hexadecimal			link
Construct Quad Tree			link
Circular Array Loop			link
Can I Win			link
Count The Repetitions			link
Concatenated Words			link
Construct the Rectangle			link
Continuous Subarray Sum			link
Contiguous Array			link
Complex Number Multiplication			link
Convert BST to Greater Tree			link
Can Place Flowers			link
Construct String from Binary Tree			link
Course Schedule III			link
Cut Off Trees for Golf Event			link
Count Binary Substrings			link
Count Different Palindromic Subsequences			link
Cherry Pickup			link
Contain Virus			link
Cracking the Safe			link
Couples Holding Hands			link
Cheapest Flights Within K Stops			link
Custom Sort String			link
Champagne Tower			link
Chalkboard XOR Game			link
Card Flipping Game			link
Count Unique Characters of All Substrings of a Given String			link
Consecutive Numbers Sum			link
Car Fleet			link
Construct Binary Tree from Preorder and Postorder Traversal			link
Cat and Mouse			link
Complete Binary Tree Inserter			link
Check Completeness of a Binary Tree			link
Cousins in Binary Tree			link
Check If Word Is Valid After Substitutions			link
Clumsy Factorial			link
Construct Binary Search Tree from Preorder Traversal			link
Complement of Base 10 Integer			link
Capacity To Ship Packages Within D Days			link
Camelcase Matching			link
Coloring A Border			link
Car Pooling			link
Corporate Flight Bookings			link
Compare Strings by Frequency of the Smallest Character			link
Can Make Palindrome from Substring			link
Critical Connections in a Network			link
Count Vowels Permutation			link
Check If It Is a Straight Line			link
Circular Permutation in Binary Representation			link
Count Number of Nice Subarrays			link
Check If It Is a Good Array			link
Cells with Odd Values in a Matrix			link
Count Servers that Communicate			link
Count Square Submatrices with All Ones			link
Convert Binary Number in a Linked List to Integer			link
Convert Integer to the Sum of Two No-Zero Integers			link
Check If N and Its Double Exist			link
Count Negative Numbers in a Sorted Matrix			link
Construct Target Array With Multiple Sums			link
Count All Valid Pickup and Delivery Options			link
Closest Divisors			link
Cinema Seat Allocation			link
Create Target Array in the Given Order			link
Check if There is a Valid Path in a Grid			link
Count Number of Teams			link
Count Largest Group			link
Construct K Palindrome Strings			link
Circle and Rectangle Overlapping			link
Constrained Subsequence Sum			link
Check If a String Can Break Another String			link
Check If All 1's Are at Least Length K Places Away			link
Count Triplets That Can Form Two Arrays of Equal XOR			link
Consecutive Characters			link
Count Good Nodes in Binary Tree			link
Check If a Word Occurs As a Prefix of Any Word in a Sentence			link
Check If a String Contains All Binary Codes of Size K			link
Course Schedule IV			link
Cherry Pickup II			link
Check If Array Pairs Are Divisible by k			link
Can Make Arithmetic Progression From Sequence			link
Count Submatrices With All Ones			link
Count Odd Numbers in an Interval Range			link
Count Good Triplets			link
Can Convert String in K Moves			link
Count All Possible Routes			link
Count Unhappy Friends			link
Check If String Is Transformable With Substring Sort Operations			link
Crawler Log Folder			link
Count Subtrees With Max Distance Between Cities			link
Coordinate With Maximum Network Quality			link
Count Substrings That Differ by One Character			link
Check Array Formation Through Concatenation			link
Count Sorted Vowel Strings			link
Create Sorted Array through Instructions			link
Check If Two String Arrays are Equivalent			link
Concatenation of Consecutive Binary Numbers			link
Count the Number of Consistent Strings			link
Count of Matches in Tournament			link
Checking Existence of Edge Length Limited Paths			link
Count Good Meals			link
Calculate Money in Leetcode Bank			link
Construct the Lexicographically Largest Valid Sequence			link
Cat and Mouse II			link
Count Ways to Make Array With Product			link
Change Minimum Characters to Satisfy One of Three Conditions			link
Check if Array Is Sorted and Rotated			link
Closest Subsequence Sum			link
Count Number of Homogenous Substrings			link
Count Items Matching a Rule			link
Closest Dessert Cost			link
Car Fleet II			link
Check if Number is a Sum of Powers of Three			link
Count Pairs Of Nodes			link
Check if Binary String Has at Most One Segment of Ones			link
Check if One String Swap Can Make Strings Equal			link
Count Pairs With XOR in a Range			link
Count Nice Pairs in an Array			link
Check if the Sentence Is Pangram			link
Closest Room			link
Check if Word Equals Summation of Two Words			link
Check if All the Integers in a Range Are Covered			link
Count Sub Islands			link
Cyclically Rotating a Grid			link
Count Ways to Build Rooms in an Ant Colony			link
Count Good Numbers			link
Count Square Sum Triples			link
Concatenation of Array			link
Check if All Characters Have Equal Number of Occurrences			link
Count Number of Special Subsequences			link
Check if Move is Legal			link
Check If String Is a Prefix of Array			link
Count Special Quadruplets			link
Count Number of Pairs With Absolute Difference K			link
Check if Word Can Be Placed In Crossword			link
Convert 1D Array Into 2D Array			link
Check if Numbers Are Ascending in a Sentence			link
Count Number of Maximum Bitwise-OR Subsets			link
Count Nodes With the Highest Score			link
Check if an Original String Exists Given Two Encoded Strings			link
Count Vowel Substrings of a String			link
Check Whether Two Strings are Almost Equivalent			link
Count Common Words With One Occurrence			link
Count Fertile Pyramids in a Land			link
Check if a Parentheses String Can Be Valid			link
Check if All A's Appears Before All B's			link
Capitalize the Title			link
Check if Every Row and Column Contains All Numbers			link
Count Words Obtained After Adding a Letter			link
Count the Hidden Sequences			link
Count Operations to Obtain Zero			link
Count Equal and Divisible Pairs in an Array			link
Count Good Triplets in an Array			link
Count Integers With Even Digit Sum			link
Construct String With Repeat Limit			link
Count Array Pairs Divisible by K			link
Counting Words With a Given Prefix			link
Cells in a Range on an Excel Sheet			link
Create Binary Tree From Descriptions			link
Count Artifacts That Can Be Extracted			link
Count Hills and Valleys in an Array			link
Count Collisions on a Road			link
Calculate Digit Sum of a String			link
Count Lattice Points Inside a Circle			link
Count Number of Rectangles Containing Each Point			link
Count Prefixes of a Given String			link
Count Unguarded Cells in the Grid			link
Count Nodes Equal to Average of Subtree			link
Count Number of Texts			link
Count Integers in Intervals			link
Check if Number Has Equal Digit Count and Digit Value			link
Count Subarrays With Score Less Than K			link
Calculate Amount Paid in Taxes			link
Count Asterisks			link
Count Unreachable Pairs of Nodes in an Undirected Graph			link
Check if Matrix Is X-Matrix			link
Count Number of Ways to Place Houses			link
Count the Number of Ideal Arrays			link
Count Number of Bad Pairs			link
Check if There is a Valid Partition For The Array			link