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This repo contains my solutions for leetcode.com practice problems.

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317 Commits
#1 Two Sum.java
#1 Two Sum.java
 
 
#100 Same Tree.java
#100 Same Tree.java
 
 
#1009 Complement of Base 10 Integer.java
#1009 Complement of Base 10 Integer.java
 
 
#101 Symmetric Tree.java
#101 Symmetric Tree.java
 
 
#1010 Pais of Songs With Total Durations Divisible by 60.java
#1010 Pais of Songs With Total Durations Divisible by 60.java
 
 
#1015 Smallest Integer Divisible by K.java
#1015 Smallest Integer Divisible by K.java
 
 
#1019 Next Greater Node In Linked List.java
#1019 Next Greater Node In Linked List.java
 
 
#102 Binary Tree Level Order Traversal.java
#102 Binary Tree Level Order Traversal.java
 
 
#1023 Camelcase Matching.java
#1023 Camelcase Matching.java
 
 
#1025 Divisor Game.java
#1025 Divisor Game.java
 
 
#1026 Maximum Difference Between Node and Ancestor.java
#1026 Maximum Difference Between Node and Ancestor.java
 
 
#103 Binary Tree Zigzag Level Order Traversal.java
#103 Binary Tree Zigzag Level Order Traversal.java
 
 
#104 Maximum Depth of Binary Tree.java
#104 Maximum Depth of Binary Tree.java
 
 
#105 Construct Binary Tree from Preorder and Inorder Traversal.java
#105 Construct Binary Tree from Preorder and Inorder Traversal.java
 
 
#106 Construct Binary Tree from Inorder and Postorder Traversal.java
#106 Construct Binary Tree from Inorder and Postorder Traversal.java
 
 
#108 Convert Sorted Array to Binary Search Tree.java
#108 Convert Sorted Array to Binary Search Tree.java
 
 
#110 Balanced Binary Tree.java
#110 Balanced Binary Tree.java
 
 
#1108 Defanging an IP Address.java
#1108 Defanging an IP Address.java
 
 
#111 Minimum Depth Of Binary Tree.java
#111 Minimum Depth Of Binary Tree.java
 
 
#1114 Print in Order.java
#1114 Print in Order.java
 
 
#1115 Print FooBar Alternatively.java
#1115 Print FooBar Alternatively.java
 
 
#1116 Print Zeo Even Odd.java
#1116 Print Zeo Even Odd.java
 
 
#112 Path Sum.java
#112 Path Sum.java
 
 
#1122 Relative Sort Array.java
#1122 Relative Sort Array.java
 
 
#1123 Lowest Common Ancestor of Deepest Leaves.java
#1123 Lowest Common Ancestor of Deepest Leaves.java
 
 
#113 Path Sum II.java
#113 Path Sum II.java
 
 
#1138 Alphabet Board Path.java
#1138 Alphabet Board Path.java
 
 
#1146 Snapshot Array.java
#1146 Snapshot Array.java
 
 
#116 Populating Next Right Pointers in Each Node.java
#116 Populating Next Right Pointers in Each Node.java
 
 
#1161 Maximum Level Sum of a Binary Tree.java
#1161 Maximum Level Sum of a Binary Tree.java
 
 
#117 Populating Next Right Pointers in Each Node II.java
#117 Populating Next Right Pointers in Each Node II.java
 
 
#118 Pascal's Triangle.java
#118 Pascal's Triangle.java
 
 
#119 Pascal's Triangle II.java
#119 Pascal's Triangle II.java
 
 
#1207 Unique Number of Occurrences.java
#1207 Unique Number of Occurrences.java
 
 
#121 Best Time to Buy and Sell Stock.java
#121 Best Time to Buy and Sell Stock.java
 
 
#1217 Minimum Cost to Move Chips to the Same Position.java
#1217 Minimum Cost to Move Chips to the Same Position.java
 
 
#1218 Longest Arithmetic Subsequence of Given Difference.java
#1218 Longest Arithmetic Subsequence of Given Difference.java
 
 
#122 Best Time to Buy and Sell Stock II.java
#122 Best Time to Buy and Sell Stock II.java
 
 
#124 Binary Tree Maximum Path Sum.java
#124 Binary Tree Maximum Path Sum.java
 
 
#125 Valid Palindrome.java
#125 Valid Palindrome.java
 
 
#128 Longest Consecutive Sequence.java
#128 Longest Consecutive Sequence.java
 
 
#1281 Subtract the Product and Sum of Digits of an Integer.java
#1281 Subtract the Product and Sum of Digits of an Integer.java
 
 
#1286 Iterator for Combination.java
#1286 Iterator for Combination.java
 
 
#1288 Remove Covered Intervals.java
#1288 Remove Covered Intervals.java
 
 
#1290 Convert Binary Number ina a Linked List to Integer.java
#1290 Convert Binary Number ina a Linked List to Integer.java
 
 
#1296 Divide Array in Sets of K Consecutive Numbers.java
#1296 Divide Array in Sets of K Consecutive Numbers.java
 
 
#1304 Find N Unique Integers Sum up to Zero.java
#1304 Find N Unique Integers Sum up to Zero.java
 
 
#1306 Jump Game III.java
#1306 Jump Game III.java
 
 
#1339 Maximum Product of Splitted Binary Tree.java
#1339 Maximum Product of Splitted Binary Tree.java
 
 
#1347 Minimum Number of Steps to Make Two Strings Anagram.java
#1347 Minimum Number of Steps to Make Two Strings Anagram.java
 
 
#136 Single Number.java
#136 Single Number.java
 
 
#1365 How Many Numbers Are Smaller Than the Current Number.java
#1365 How Many Numbers Are Smaller Than the Current Number.java
 
 
#1367 Linked List in Binary Tree.java
#1367 Linked List in Binary Tree.java
 
 
#1379 Find a Corresponding Node of a Binary Tree in a Clone of That Tree.java
#1379 Find a Corresponding Node of a Binary Tree in a Clone of That Tree.java
 
 
#138 Copy List with Random Pointer.java
#138 Copy List with Random Pointer.java
 
 
#14 Longest Common Prefix.java
#14 Longest Common Prefix.java
 
 
#141 Linked List Cycle.java
#141 Linked List Cycle.java
 
 
#142 Linked List Cycle II.java
#142 Linked List Cycle II.java
 
 
#1423 Maximum Points You Can Obtain from Cards.java
#1423 Maximum Points You Can Obtain from Cards.java
 
 
#1436 Destination City.java
#1436 Destination City.java
 
 
#144 Binary Tree Preorder Treaversal.java
#144 Binary Tree Preorder Treaversal.java
 
 
#1446 Consecutive Characters.java
#1446 Consecutive Characters.java
 
 
#1448 Count Good Nodes in Binary Tree.java
#1448 Count Good Nodes in Binary Tree.java
 
 
#145 Binary Tree Postorder Traversal.java
#145 Binary Tree Postorder Traversal.java
 
 
#1451 Rearrange Words in a Sentence.java
#1451 Rearrange Words in a Sentence.java
 
 
#147 Insertion Sort List.java
#147 Insertion Sort List.java
 
 
#1470 Shuffle the Array.java
#1470 Shuffle the Array.java
 
 
#148 Sort List(Bubble).java
#148 Sort List(Bubble).java
 
 
#148 Sort List(Merge Sort).java
#148 Sort List(Merge Sort).java
 
 
#1480 Running Sum of 1d Array.java
#1480 Running Sum of 1d Array.java
 
 
#1492 The kth Factor of n.java
#1492 The kth Factor of n.java
 
 
#1502 Can Make Arithmetic Progression From Sequence.java
#1502 Can Make Arithmetic Progression From Sequence.java
 
 
#151 Reverse Words in a String.java
#151 Reverse Words in a String.java
 
 
#1518 Water Bottles.java
#1518 Water Bottles.java
 
 
#153 Find Minimum in Rotated Sorted Array.java
#153 Find Minimum in Rotated Sorted Array.java
 
 
#1539 Kth Missing Positive Number.java
#1539 Kth Missing Positive Number.java
 
 
#154 Find Minimum in Rotated Sorted Array II.java
#154 Find Minimum in Rotated Sorted Array II.java
 
 
#162 Find Peak Element.java
#162 Find Peak Element.java
 
 
#1636 Sort Array by Increasing Frequency.java
#1636 Sort Array by Increasing Frequency.java
 
 
#1640 Check Array Formation Through Concatenation.java
#1640 Check Array Formation Through Concatenation.java
 
 
#1658 Minimum Operations to Reduce X to Zero.java
#1658 Minimum Operations to Reduce X to Zero.java
 
 
#1662 Check If Two String Arrays are Equivalent.java
#1662 Check If Two String Arrays are Equivalent.java
 
 
#1669 Merge In Between Linked Lists.java
#1669 Merge In Between Linked Lists.java
 
 
#167 Two Sum II - Input array is sorted.java
#167 Two Sum II - Input array is sorted.java
 
 
#1684 Count the Number of Consistent Strings.java
#1684 Count the Number of Consistent Strings.java
 
 
#1685 Sum of Absolute Differences in a Sorted Array.java
#1685 Sum of Absolute Differences in a Sorted Array.java
 
 
#1688 Count of Matches in Tournament.java
#1688 Count of Matches in Tournament.java
 
 
#173 Binary Search Tree Iterator.java
#173 Binary Search Tree Iterator.java
 
 
#187 Repeated DNA Sequences.java
#187 Repeated DNA Sequences.java
 
 
#189 Rotate Array.java
#189 Rotate Array.java
 
 
#198 House Robber.java
#198 House Robber.java
 
 
#2 Add Two Numbers.java
#2 Add Two Numbers.java
 
 
#20 Valid Parentheses.java
#20 Valid Parentheses.java
 
 
#206 Reverse Linked List.java
#206 Reverse Linked List.java
 
 
#207 Course Schedule.java
#207 Course Schedule.java
 
 
#21 Merege Two Sorted Lists.java
#21 Merege Two Sorted Lists.java
 
 
#210 Course Schedule II.java
#210 Course Schedule II.java
 
 
#213 House Robber II.java
#213 House Robber II.java
 
 
#216 Combination Sum III.java
#216 Combination Sum III.java
 
 
#217 Contains Duplicate.java
#217 Contains Duplicate.java
 
 

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Leetcode

  • This repo contains my solutions for leetcode.com practice problems.
  • Link to each problem is commented in each solution file

These Solutions are without a main function , and will work directly if pasted on Leetcode.com

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This repo contains my solutions for leetcode.com practice problems.

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