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
  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
  0217	Contains Duplicate	C++	Easy
  0219	Contains Duplicate II	C++	Easy
  0237	Delete Node in a Linked List	C++	Medium
  0260	Single Number III	C++	Medium
  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
  0628	Maximum Product of Three Numbers	C++	Easy
  0654	Maximum Binary Tree	C++	Medium
  0680	Valid Palindrome II	C++	Easy
  0709	To Lower Case	C++	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
  0950	Reveal Cards In Increasing Order	C++	Medium
  1021	Remove Outermost Parentheses	C++	Easy
  1038	Binary Search Tree to Greater Sum Tree	C++	Medium
  1108	Defanging an IP Address	C++	Easy
  1221	Split a String in Balanced Strings	C++	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
  1302	Deepest Leaves Sum	C++	Medium
  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
  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
  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
  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
  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
  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
  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
  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
  1816	Truncate Sentence	C++	Easy
  1823	Find the Winner of the Circular Game	C++	Medium
  1828	Queries on Number of Points Inside a Circle	C++	Medium
  1832	Check if the Sentence Is Pangram	C++	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
  1945	Sum of Digits of String After Convert	C++	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
  2108	Find First Palindromic String in the Array	C++	Easy
  2114	Maximum Number of Words Found in Sentences	C++	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
  2194	Cells in a Range on an Excel Sheet	C++	Easy
  2160	Minimum Sum of Four Digit Number After Splitting Digits	C++	Easy
  2161	Partition Array According to Given Pivot	C++	Medium
  2188	Merge Nodes in Between Zeros	C++	Medium
  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
  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
  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
  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
  2769	Find the Maximum Achievable Number	C++	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
  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
  2974	Minimum Number Game	C++	Easy
  2997	Minimum Number of Operations to Make Array XOR Equal to K	C++	Medium
  3065	Minimum Operations to Exceed Threshold Value I	C++	Easy
  3099	Harshad Number	C++	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
  3158	Find the XOR of Numbers Which Appear Twice	C++	Easy
  3162	Find the Number of Good Pairs I	C++	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
  3280	[Convert Date to Binary][3180]	C++	Easy

  LICENSE

  This project is licensed under the LICENSE.