README.md

Solutions for LeetCode Problems

Table of Contents

• Solutions for LeetCode Problems

  • Introduction
  • Algorithm Problems
  • LICENSE

  Introduction

  This repository contains solutions to various LeetCode problems. Each problem is listed in a table with the problem name, a link to the problem, the chosen language for the implementation, a link to the implementation file, and the difficulty level of the problem.

  Algorithm Problems

  #	Problem	Language	Difficulty
  0001	Two Sum	C++	Easy
  0002	Add Two Numbers	C++	Medium
  0009	Palindrome Number	C++	Easy
  0013	Roman to Integer	C++	Easy
  0014	Longest Common Prefix	C++	Easy
  0020	Valid Parentheses	C++	Easy
  0021	Merge Two Sorted Lists	C++	Easy
  0026	Remove Duplicates from Sorted Array	C++	Easy
  0027	Remove Element	C++	Easy
  0066	Plus One	C++	Easy
  0067	Add Binary	C++	Easy
  0069	Sqrt(x)	C++	Easy
  0094	Binary Tree Inorder Traversal	Golang	Easy
  0121	Best Time to Buy and Sell Stock	C++	Easy
  0125	Valid Palindrome	C++	Easy
  0136	Single Number	C++	Easy
  0137	Single Number II	C++	Medium
  0141	Linked List Cycle	C++	Easy
  0203	Remove Linked List Elements	C++	Easy
  0206	Reverse Linked List	Golang	Easy
  0217	Contains Duplicate	C++	Easy
  0219	Contains Duplicate II	C++	Easy
  0226	Invert Binary Tree	Golang	Easy
  0237	Delete Node in a Linked List	C++	Medium
  0260	Single Number III	C++	Medium
  0338	Counting Bits	Golang	Easy
  0344	Reverse String	C++	Easy
  0350	Intersection of Two Arrays II	C++	Easy
  0378	Ransom Note	C++	Easy
  0412	Fizz Buzz	C++	Easy
  0441	Arranging Coins	C++	Easy
  0535	Encode and Decode TinyURL	C++	Medium
  0557	Reverse Words in a String III	C++	Easy
  0561	Array Partition	Golang	Easy
  0590	N-ary Tree Postorder Traversal	Golang	Easy
  0628	Maximum Product of Three Numbers	C++	Easy
  0654	Maximum Binary Tree	C++	Medium
  0680	Valid Palindrome II	C++	Easy
  0682	Baseball Game	Golang	Easy
  0700	Search in a Binary Search Tree	Golang	Easy
  0709	To Lower Case	C++	Easy
  0728	Self Dividing Numbers	Golang	Easy
  0771	Jewels and Stones	C++	Easy
  0797	All Paths From Source to Target	C++	Medium
  0804	Unique Morse Code Words	C++	Easy
  0807	Max Increase to Keep City Skyline	C++	Medium
  0832	Flipping an Image	C++	Easy
  0876	Middle of the Linked List	C++	Easy
  0885	Spiral Matrix III	C++	Medium
  0894	All Possible Full Binary Trees	C++	Medium
  0938	Range Sum of BST	C++	Easy
  0942	DI String Match	Golang	Easy
  0950	Reveal Cards In Increasing Order	C++	Medium
  0961	N-Repeated Element in Size 2N Array	Golang	Easy
  1021	Remove Outermost Parentheses	C++	Easy
  1038	Binary Search Tree to Greater Sum Tree	C++	Medium
  1051	Height Checker	Golang	Easy
  1108	Defanging an IP Address	C++	Easy
  1221	Split a String in Balanced Strings	C++	Easy
  1252	Cells with Odd Values in a Matrix	Golang	Easy
  1266	Minimum Time Visiting All Points	C++	Easy
  1281	Subtract the Product and Sum of Digits of an Integer	C++	Easy
  1282	Group the People Given the Group Size They Belong To	C++	Medium
  1290	Convert Binary Number in a Linked List to Integer	Golang	Easy
  1295	Find Numbers with Even Number of Digits	Golang	Easy
  1302	Deepest Leaves Sum	C++	Medium
  1309	Decrypt String from Alphabet to Integer Mapping	Golang	Easy
  1313	Decompress Run-Length Encoded List	C++	Easy
  1315	Sum of Nodes with Even-Valued Grandparent	C++	Medium
  1323	Maximum 69 Number	C++	Easy
  1329	Sort the Matrix Diagonally	C++	Medium
  1342	Number of Steps to Reduce a Number to Zero	C++	Easy
  1351	Count Negative Numbers in a Sorted Matrix	Golang	Easy
  1356	Sort Integers by The Number of 1 Bits	Golang	Easy
  1365	How Many Numbers Are Smaller Than the Current Number	C++	Easy
  1379	Find a Corresponding Node of a Binary Tree in a Clone of That Tree	C++	Easy
  1380	Lucky Numbers in a Matrix	C++	Easy
  1382	Balance a Binary Search Tree	C++	Medium
  1389	Create Target Array in the Given Order	C++	Easy
  1409	Queries on a Permutation With Key	C++	Medium
  1431	Kids With the Greatest Number of Candies	C++	Easy
  1436	Destination City	Golang	Easy
  1442	Count Triplets That Can Form Two Arrays of Equal XOR	C++	Medium
  1464	Maximum Product of Two Elements in an Array	C++	Easy
  1470	Shuffle the Array	C++	Easy
  1475	Final Prices With a Special Discount in a Shop	Golang	Easy
  1476	Subrectangle Queries	C++	Medium
  1480	Running Sum of 1d Array	C++	Easy
  1486	XOR Operation in an Array	C++	Easy
  1512	Number of Good Pairs	C++	Easy
  1528	Shuffle String	C++	Easy
  1534	Count Good Triplets	Golang	Easy
  1561	Maximum Number of Coins You Can Get	C++	Medium
  1572	Matrix Diagonal Sum	C++	Easy
  1588	Sum of All Odd Length Subarrays	C++	Easy
  1603	Design Parking System	C++	Easy
  1605	Find Valid Matrix Given Row and Column Sums	C++	Medium
  1608	Special Array With X Elements Greater Than or Equal X	C++	Easy
  1614	Maximum Nesting Depth of the Parentheses	C++	Easy
  1630	Arithmetic Subarrays	C++	Medium
  1636	Sort Array by Increasing Frequency	C++	Easy
  1637	Widest Vertical Area Between Two Points Containing No Points	C++	Easy
  1652	Defuse the Bomb	Golang	Easy
  1656	Design an Ordered Stream	C++	Easy
  1662	Check If Two String Arrays are Equivalent	C++	Easy
  1672	Richest Customer Wealth	C++	Easy
  1678	Goal Parser Interpretation	C++	Easy
  1684	Count the Number of Consistent Strings	C++	Easy
  1688	Count of Matches in Tournament	C++	Easy
  1689	Partitioning Into Minimum Number Of Deci-Binary Numbers	C++	Medium
  1700	Number of Students Unable to Eat Lunch	Golang	Easy
  1716	Calculate Money in Leetcode Bank	Golang	Easy
  1720	Decode XORed Array	C++	Easy
  1725	Number Of Rectangles That Can Form The Largest Square	C++	Easy
  1732	Find the Highest Altitude	C++	Easy
  1735	Count Ways to Make Array With Product	C++	Hard
  1748	Sum of Unique Elements	Golang	Easy
  1768	Merge Strings Alternately	Golang	Easy
  1769	Minimum Number of Operations to Move All Balls to Each Box	C++	Medium
  1773	Count Items Matching a Rule	C++	Easy
  1791	Find Center of Star Graph	C++	Easy
  1812	Determine Color of a Chessboard Square	Golang	Easy
  1816	Truncate Sentence	C++	Easy
  1823	Find the Winner of the Circular Game	C++	Medium
  1827	Minimum Operations to Make the Array Increasing	Golang	Easy
  1828	Queries on Number of Points Inside a Circle	C++	Medium
  1832	Check if the Sentence Is Pangram	C++	Easy
  1844	Replace All Digits with Characters	Golang	Easy
  1859	Sorting the Sentence	C++	Easy
  1863	Sum of All Subset XOR Totals	C++	Easy
  1913	Maximum Product Difference Between Two Pairs	C++	Easy
  1920	Build Array from Permutation	C++	Easy
  1929	Concatenation of Array	C++	Easy
  1935	Maximum Number of Words You Can Type	Golang	Easy
  1941	Check if All Characters Have Equal Number of Occurrences	Golang	Easy
  1945	Sum of Digits of String After Convert	C++	Easy
  1967	Number of Strings That Appear as Substrings in Word	Golang	Easy
  1979	Find Greatest Common Divisor of Array	Golang	Easy
  2000	Reverse Prefix of Word	C++	Easy
  2006	Count Number of Pairs With Absolute Difference K	C++	Easy
  2011	Final Value of Variable After Performing Operations	C++	Easy
  2037	Minimum Number of Moves to Seat Everyone	C++	Easy
  2053	Kth Distinct String in an Array	C++	Easy
  2103	Rings and Rods	Golang	Easy
  2108	Find First Palindromic String in the Array	C++	Easy
  2114	Maximum Number of Words Found in Sentences	C++	Easy
  2119	A Number After a Double Reversal	Golang	Easy
  2120	Execution of All Suffix Instructions Staying in a Grid	C++	Medium
  2125	Number of Laser Beams in a Bank	C++	Medium
  2149	Rearrange Array Elements by Sign	C++	Medium
  2160	Minimum Sum of Four Digit Number After Splitting Digits	C++	Easy
  2161	Partition Array According to Given Pivot	C++	Medium
  2169	Count Operations to Obtain Zero	Golang	Easy
  2176	Count Equal and Divisible Pairs in an Array	Golang	Easy
  2185	Counting Words With a Given Prefix	Golang	Easy
  2188	Merge Nodes in Between Zeros	C++	Medium
  2194	Cells in a Range on an Excel Sheet	C++	Easy
  2206	Divide Array Into Equal Pairs	Golang	Easy
  2215	Find the Difference of Two Arrays	Golang	Easy
  2220	Minimum Bit Flips to Convert Number	C++	Easy
  2236	Root Equals Sum of Children	C++	Easy
  2235	Add Two Integers	C++	Easy
  2265	Count Nodes Equal to Average of Subtrees	C++	Medium
  2315	Count Asterisks	C++	Easy
  2325	Decode the Message	C++	Easy
  2331	Evaluate Boolean Binary Tree	C++	Easy
  2367	Number of Arithmetic Triplets	C++	Easy
  2373	Largest Local Values in a Matrix	C++	Easy
  2391	Minimum Amount of Time to Collect Garbage	C++	Medium
  2396	Strictly Palindromic Number	C++	Medium
  2413	Smallest Even Multiple	C++	Easy
  2418	Sort the People	C++	Easy
  2427	Number of Common Factors	Golang	Easy
  2433	Find The Original Array of Prefix Xor	C++	Medium
  2469	Convert the Temperature	C++	Easy
  2482	Difference Between Ones and Zeros in Row and Column	C++	Medium
  2485	Find the Pivot Integer	C++	Easy
  2500	Delete Greatest Value in Each Row	Golang	Easy
  2520	Count the Digits That Divide a Number	C++	Easy
  2523	Closest Prime Numbers in Range	C++	Medium
  2535	Difference Between Element Sum and Digit Sum of an Array	C++	Easy
  2545	Sort the Students by Their Kth Score	C++	Medium
  2549	Count Distinct Numbers on Board	C++	Easy
  2553	Separate the Digits in an Array	Golang	Easy
  2570	Merge Two 2D Arrays by Summing Values	Golang	Easy
  2574	Left and Right Sum Differences	C++	Easy
  2610	Convert an Array Into a 2D Array With Conditions	C++	Medium
  2652	Sum Multiples	C++	Easy
  2656	Maximum Sum With Exactly K Elements	C++	Easy
  2678	Number of Senior Citizens	C++	Easy
  2697	Lexicographically Smallest Palindrome	C++	Easy
  2703	Return Length of Arguments Passed	JavaScript	Easy
  2710	Remove Trailing Zeros From a String	Golang	Easy
  2744	Find Maximum Number of String Pairs	Golang	Easy
  2769	Find the Maximum Achievable Number	C++	Easy
  2778	Sum of Squares of Special Elements	Golang	Easy
  2798	Number of Employees Who Met the Target	C++	Easy
  2807	Insert Greatest Common Divisors in Linked List	C++	Medium
  2810	Faulty Keyboard	C++	Easy
  2824	Count Pairs Whose Sum is Less than Target	C++	Easy
  2828	Check if a String Is an Acronym of Words in Sentence	C++	Eady
  2843	Count Symmetric Integers	Golang	Easy
  2859	Sum of Values at Indices With K Set Bits	C++	Easy
  2864	Maximum Odd Binary Number	C++	Easy
  2894	Divisible and Non-divisible Sums Difference	C++	Easy
  2913	Subarrays Distinct Element Sum of Squares I	C++	Easy
  2942	Find Words Containing Character	C++	Easy
  2956	Find Common Elements Between Two Arrays	C++	Easy
  2965	Find Missing and Repeated Values	Golang	Easy
  2974	Minimum Number Game	C++	Easy
  2997	Minimum Number of Operations to Make Array XOR Equal to K	C++	Medium
  3005	Count Elements With Maximum Frequency	Golang	Easy
  3065	Minimum Operations to Exceed Threshold Value I	C++	Easy
  3099	Harshad Number	C++	Easy
  3010	Divide an Array Into Subarrays With Minimum Cost I	Golang	Easy
  3019	Number of Changing Keys	Golang	Easy
  3110	Score of a String	C++	Easy
  3131	Find the Integer Added to Array I	C++	Easy
  3146	Permutation Difference between Two Strings	C++	Easy
  3151	Special Array	Golang	Easy
  3158	Find the XOR of Numbers Which Appear Twice	C++	Easy
  3162	Find the Number of Good Pairs I	C++	Easy
  3168	Minimum Number of Chairs in a Waiting Room	Golang	Easy
  3174	Clear Digits	Golang	Easy
  3190	Find Minimum Operations to Make All Elements Divisible by Three	C++	Easy
  3194	Minimum Average of Smallest and Largest Elements	C++	Easy
  3211	Generate Binary Strings Without Adjacent Zeros	C++	Medium
  3232	Find if Digit Game Can Be Woned	C++	Easy
  3242	Design Neighbor Sum Services	C++	Easy
  3248	Snake in Matrix	C++	Easy
  3264	Final Array State After K Multiplication Operations I	Golang	Easy
  3280	Convert Date to Binary	C++	Easy
  3285	Find Indices of Stable Mountains	Golang	Easy
  3289	The Two Sneaky Numbers of Digitville	Golang	Easy
  3300	Minimum Element After Replacement With Digit Sum	Golang	Easy
  3304	Find the K-th Character in String Game I	Golang	Easy
  3314	Construct the Minimum Bitwise Array I	Golang	Easy
  3340	Check Balanced String	Golang	Easy
  3370	Smallest Number With All Set Bits	Golang	Easy
  3427	Sum of Variable Length Subarrays	Golang	Easy
  3432	Count Partitions with Even Sum Difference	Golang	Easy
  3461	Check If Digits Are Equal in String After Operations I	Golang	Easy
  3467	Transform Array by Parity	Golang	Easy
  3498	Reverse Degree of a String	Golang	Easy
  3502	Count the Digits That Divide a Number	Golang	Easy
  3512	Minimum Operations to Make Array Sum Divisible by K	Golang	Easy
  3516	Find Closest Person	Golang	Easy
  3541	Find Most Frequent Vowel and Consonant	Golang	Easy
  3550	Smallest Index With Digit Sum Equal to Index	Golang	Easy
  3602	Hexadecimal and Hexatrigesimal Conversion	Golang	Easy
  3643	Flip Square Submatrix Vertically	Golang	Easy
  3658	GCD of Odd and Even Sums	Golang	Easy
  3701	Compute Alternating Sum	Golang	Easy
  3668	Restore Finishing Order	Golang	Easy
  3683	Earliest Time to Finish One Task	Golang	Easy
  3688	Bitwise OR of Even Numbers in an Array	Golang	Easy
  3731	Find Missing Elements	Golang	Easy
  3736	Minimum Moves to Equal Array Elements III	Golang	Easy
  3783	Mirror Distance of an Integer	Golang	Easy
  3794	Reverse String Prefix	Golang	Easy
  3823	Reverse Letters Then Special Characters in a String	Golang	Easy
  3838	Weighted Word Mapping	Golang	Easy
  3884	First Matching Character From Both Ends	Golang	Easy
  3894	Traffic Signal Color	Golang	Easy
  3898	Find the Degree of Each Vertex	Golang	Easy
  3917	Count Indices With Opposite Parity	Golang	Easy

  LICENSE

  This project is licensed under the LICENSE.