Files

01. Resources
02. Big-O
03. Data Structures
04. Algorithms
05. File Handling and OOPS
06. Error Handling
07. Functional Programming
08. Decorators
09. Debugging
10. Generators
11. Regular Expressions
12. Unit Testing
13. Mini-Projects
14. Questions
- barclays plc uk - online assesment.py
- leetcode 01 - two sum.py
- leetcode 02 - add two numbers.py
- leetcode 03 - longest substring without repeating characters.py
- leetcode 09 - palindrome number.py
- leetcode 100 - same tree.py
- leetcode 101 - symmetric tree.py
- leetcode 1011 - capacity to ship packages.py
- leetcode 102 - level order traversal of tree.py
- leetcode 1022 - sum of root-leaf binary num.py
- leetcode 103 - zigzag level order traversal.py
- leetcode 104 - max depth of binary tree.py
- leetcode 108 - sorted array to bst.py
- leetcode 110 - balanced bst.py
- leetcode 112 - path sum.py
- leetcode 114 - binary tree preorder traversal.py
- leetcode 1147 - largest number at least twice of others.py
- leetcode 121 - best time to buy and sell stock.py
- leetcode 128 - longest consecutive sequence.py
- leetcode 13 - roman to integer.py
- leetcode 1302 - deepest leaves sum.py
- leetcode 1305 - all elements in two binary search trees.py
- leetcode 133 - clone graph.py
- leetcode 1379 - corresponding target in cloned tree.py
- leetcode 1382 - balance a bst.py
- leetcode 14 - longest common prefix.py
- leetcode 15 - three sum.py
- leetcode 162 - peak element.py
- leetcode 167 - two sum II.py
- leetcode 1971 - find if path exists in a graph.py
- leetcode 1991 - find the middle index in array.py
- leetcode 20 - valid parentheses.py
- leetcode 207 - course schedule.py
- leetcode 21 - merge two sorted lists.py
- leetcode 217 - contains duplicates.py
- leetcode 226 - invert binary tree.py
- leetcode 2265 - count nodes equal to average of subtree.py
- leetcode 2306 - naming a company.py
- leetcode 2331 - evaluate boolean binary tree.py
- leetcode 234 - palindrome linked list.py
- leetcode 235 - lowest common ancestor in bst.py
- leetcode 238 - product of array except self.py
- leetcode 257 - binary tree paths.py
- leetcode 26 - remove duplicates from sorted array.py
- leetcode 27 - remove element.py
- leetcode 28 - implement strStr().py
- leetcode 28 - index of first occurrence.py
- leetcode 290 - word pattern.py
- leetcode 347 - top k frequent elements.py
- leetcode 35 - search insert position.py
- leetcode 350 - intersection of two arrays II.py
- leetcode 36 - valid sudoku.py
- leetcode 424 - longest repeating character replacement.py
- leetcode 427 - construct quad tree.py
- leetcode 435 - non-overlapping intervals.py
- leetcode 438 - find all anagrams in string.py
- leetcode 443 - string compression.py
- leetcode 48 - rotate image (by rotation).py
- leetcode 48 - rotate image (by transpose).py
- leetcode 49 - group anagrams.py
- leetcode 494 - target sum.py
- leetcode 502 - ipo.py
- leetcode 53 - maximum subarray.py
- leetcode 530 - minimum absolute difference in BST.py
- leetcode 540 - single element in a sorted array.py
- leetcode 559 - max depth of n-ary tree.py
- leetcode 58 - length of last word.py
- leetcode 590 - n-ary tree postorder.py
- leetcode 598 - n-ary tree preorder.py
- leetcode 617 - merge binary trees.py
- leetcode 637 - avg of levels in binary tree.py
- leetcode 653 - two sum with binary tree.py
- leetcode 66 - plus one.py
- leetcode 67 - add binary.py
- leetcode 69 - sqrt(x).py
- leetcode 70 - climbing stairs.py
- leetcode 705 - hash set.py
- leetcode 724 - find pivot index.py
- leetcode 783 - minimum distance between bst nodes.py
- leetcode 797 - all paths from source to target.py
- leetcode 83 - remove duplicates from sorted list.py
- leetcode 872 - leaf-similar trees.py
- leetcode 88 - merger sort array.py
- leetcode 897 - increasing order bst.py
- leetcode 94 - binary tree inorder traversal.py
- leetcode 944 - delete columns to make sorted.py
- leetcode 96 - unique binary search trees.py
- leetcode 98 - validate binary search tree.py
- leetcode 989 - add to array form of integer.py
- leetcode 997 - find the town judge.py
.gitignore
DSA_Cheatsheet.pdf
Python_Cheatsheet.pdf
Python_Cheatsheet_2.pdf
loggerMiddleware.js
readme.md
server.js

14. Questions

Mar 3, 2023

3d57742 · Mar 3, 2023

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14. Questions

14. Questions

Name	Name	Last commit message	Last commit date
parent directory ..
barclays plc uk - online assesment.py	barclays plc uk - online assesment.py	added: barclays plc uk - online assessment	Jan 26, 2023
leetcode 01 - two sum.py	leetcode 01 - two sum.py	linear time solution for two sum added (Hash Maps)	Apr 30, 2022
leetcode 02 - add two numbers.py	leetcode 02 - add two numbers.py	added: add two numbers	Feb 6, 2023
leetcode 03 - longest substring without repeating characters.py	leetcode 03 - longest substring without repeating characters.py	added: longest substring without repeating characters	Feb 6, 2023
leetcode 09 - palindrome number.py	leetcode 09 - palindrome number.py	leetcode questions added	Apr 14, 2022
leetcode 100 - same tree.py	leetcode 100 - same tree.py	added same tree	May 23, 2022
leetcode 101 - symmetric tree.py	leetcode 101 - symmetric tree.py	added symmetric tree	May 21, 2022
leetcode 1011 - capacity to ship packages.py	leetcode 1011 - capacity to ship packages.py	added leetcode question (#21 )	Feb 24, 2023
leetcode 102 - level order traversal of tree.py	leetcode 102 - level order traversal of tree.py	added binary tree level order traversal	May 21, 2022
leetcode 1022 - sum of root-leaf binary num.py	leetcode 1022 - sum of root-leaf binary num.py	added sum of root-leaf binary \| fixed leaf-similar trees	May 24, 2022
leetcode 103 - zigzag level order traversal.py	leetcode 103 - zigzag level order traversal.py	added leetcode questions (#20 )	Feb 19, 2023
leetcode 104 - max depth of binary tree.py	leetcode 104 - max depth of binary tree.py	add max depth of binary tree	May 21, 2022
leetcode 108 - sorted array to bst.py	leetcode 108 - sorted array to bst.py	added inorder and preorder traversal \| added balance a bst \| fixed so…	May 21, 2022
leetcode 110 - balanced bst.py	leetcode 110 - balanced bst.py	fixed balanced bst	May 23, 2022
leetcode 112 - path sum.py	leetcode 112 - path sum.py	added path sum	May 24, 2022
leetcode 114 - binary tree preorder traversal.py	leetcode 114 - binary tree preorder traversal.py	added inorder and preorder traversal \| added balance a bst \| fixed so…	May 21, 2022
leetcode 1147 - largest number at least twice of others.py	leetcode 1147 - largest number at least twice of others.py	largest number at least twice as big added	Apr 29, 2022
leetcode 121 - best time to buy and sell stock.py	leetcode 121 - best time to buy and sell stock.py	best time to buy and sell stocks (sliding window)	May 2, 2022
leetcode 128 - longest consecutive sequence.py	leetcode 128 - longest consecutive sequence.py	added: longest consecutive sequence	Feb 6, 2023
leetcode 13 - roman to integer.py	leetcode 13 - roman to integer.py	leetcode questions added	Apr 14, 2022
leetcode 1302 - deepest leaves sum.py	leetcode 1302 - deepest leaves sum.py	added deepest leaves sum	Jul 20, 2022
leetcode 1305 - all elements in two binary search trees.py	leetcode 1305 - all elements in two binary search trees.py	added all elements in two binary search trees	Jul 20, 2022
leetcode 133 - clone graph.py	leetcode 133 - clone graph.py	added clone graph	Jul 20, 2022
leetcode 1379 - corresponding target in cloned tree.py	leetcode 1379 - corresponding target in cloned tree.py	added corresponding target in cloned tree	May 23, 2022
leetcode 1382 - balance a bst.py	leetcode 1382 - balance a bst.py	added inorder and preorder traversal \| added balance a bst \| fixed so…	May 21, 2022
leetcode 14 - longest common prefix.py	leetcode 14 - longest common prefix.py	leetcode questions added	Apr 14, 2022
leetcode 15 - three sum.py	leetcode 15 - three sum.py	added: three sum	Feb 11, 2023
leetcode 162 - peak element.py	leetcode 162 - peak element.py	added alternate binary search \| added peak element	Apr 8, 2022
leetcode 167 - two sum II.py	leetcode 167 - two sum II.py	added: two sum II	Feb 11, 2023
leetcode 1971 - find if path exists in a graph.py	leetcode 1971 - find if path exists in a graph.py	added path exists in a graph	Jul 23, 2022
leetcode 1991 - find the middle index in array.py	leetcode 1991 - find the middle index in array.py	finding middle/pivot index added	Apr 29, 2022
leetcode 20 - valid parentheses.py	leetcode 20 - valid parentheses.py	leetcode questions added	Apr 14, 2022
leetcode 207 - course schedule.py	leetcode 207 - course schedule.py	added course schedule with graphs	Jul 20, 2022
leetcode 21 - merge two sorted lists.py	leetcode 21 - merge two sorted lists.py	leetcode questions added	Apr 14, 2022
leetcode 217 - contains duplicates.py	leetcode 217 - contains duplicates.py	containing duplicates added	Apr 29, 2022
leetcode 226 - invert binary tree.py	leetcode 226 - invert binary tree.py	added invert binary tree	May 23, 2022
leetcode 2265 - count nodes equal to average of subtree.py	leetcode 2265 - count nodes equal to average of subtree.py	added avg of subtree	Jul 23, 2022
leetcode 2306 - naming a company.py	leetcode 2306 - naming a company.py	added: naming a company	Feb 10, 2023
leetcode 2331 - evaluate boolean binary tree.py	leetcode 2331 - evaluate boolean binary tree.py	added boolean binary tree	Jul 23, 2022
leetcode 234 - palindrome linked list.py	leetcode 234 - palindrome linked list.py	added palindrome linked list	Apr 1, 2022
leetcode 235 - lowest common ancestor in bst.py	leetcode 235 - lowest common ancestor in bst.py	added lowest common ancestor	Jul 23, 2022
leetcode 238 - product of array except self.py	leetcode 238 - product of array except self.py	added: product of array except self	Jan 3, 2023
leetcode 257 - binary tree paths.py	leetcode 257 - binary tree paths.py	added binary tree paths	May 25, 2022
leetcode 26 - remove duplicates from sorted array.py	leetcode 26 - remove duplicates from sorted array.py	leetcode questions added	Apr 14, 2022
leetcode 27 - remove element.py	leetcode 27 - remove element.py	leetcode questions added	Apr 14, 2022
leetcode 28 - implement strStr().py	leetcode 28 - implement strStr().py	new question added	Apr 16, 2022
leetcode 28 - index of first occurrence.py	leetcode 28 - index of first occurrence.py	added: index of first occurrence	Mar 3, 2023
leetcode 290 - word pattern.py	leetcode 290 - word pattern.py	added: word pattern	Jan 1, 2023
leetcode 347 - top k frequent elements.py	leetcode 347 - top k frequent elements.py	added: top k frequent elements	Jan 1, 2023
leetcode 35 - search insert position.py	leetcode 35 - search insert position.py	daily question added	Apr 17, 2022
leetcode 350 - intersection of two arrays II.py	leetcode 350 - intersection of two arrays II.py	alternate solution for intersecting arrays added	May 1, 2022
leetcode 36 - valid sudoku.py	leetcode 36 - valid sudoku.py	refactor	Mar 30, 2022
leetcode 424 - longest repeating character replacement.py	leetcode 424 - longest repeating character replacement.py	added: longest repeating character replacement	Feb 6, 2023
leetcode 427 - construct quad tree.py	leetcode 427 - construct quad tree.py	added: construct quad trees	Feb 28, 2023
leetcode 435 - non-overlapping intervals.py	leetcode 435 - non-overlapping intervals.py	added: non-overlapping intervals	Jan 26, 2023
leetcode 438 - find all anagrams in string.py	leetcode 438 - find all anagrams in string.py	added: find all anagrams in a string	Feb 6, 2023
leetcode 443 - string compression.py	leetcode 443 - string compression.py	added: string compression	Mar 2, 2023
leetcode 48 - rotate image (by rotation).py	leetcode 48 - rotate image (by rotation).py	refactor	Mar 30, 2022
leetcode 48 - rotate image (by transpose).py	leetcode 48 - rotate image (by transpose).py	refactor	Mar 30, 2022
leetcode 49 - group anagrams.py	leetcode 49 - group anagrams.py	added: group anagrams	Sep 28, 2022
leetcode 494 - target sum.py	leetcode 494 - target sum.py	added: target sum	Feb 25, 2023
leetcode 502 - ipo.py	leetcode 502 - ipo.py	added leetcode question (#21 )	Feb 24, 2023
leetcode 53 - maximum subarray.py	leetcode 53 - maximum subarray.py	daily question added	Apr 18, 2022
leetcode 530 - minimum absolute difference in BST.py	leetcode 530 - minimum absolute difference in BST.py	added min abs diff in bst	Jul 28, 2022
leetcode 540 - single element in a sorted array.py	leetcode 540 - single element in a sorted array.py	added leetcode question (#21 )	Feb 24, 2023
leetcode 559 - max depth of n-ary tree.py	leetcode 559 - max depth of n-ary tree.py	max depth of n-ary tree	May 24, 2022
leetcode 58 - length of last word.py	leetcode 58 - length of last word.py	length of last word without inbuilt funtions added	Apr 19, 2022
leetcode 590 - n-ary tree postorder.py	leetcode 590 - n-ary tree postorder.py	added n-ary tree postorder and preorder traversals	May 24, 2022
leetcode 598 - n-ary tree preorder.py	leetcode 598 - n-ary tree preorder.py	added n-ary tree postorder and preorder traversals	May 24, 2022
leetcode 617 - merge binary trees.py	leetcode 617 - merge binary trees.py	added merge binary trees	May 23, 2022
leetcode 637 - avg of levels in binary tree.py	leetcode 637 - avg of levels in binary tree.py	added avg of levels of binary tree	May 25, 2022
leetcode 653 - two sum with binary tree.py	leetcode 653 - two sum with binary tree.py	added two sum with binary tree	May 25, 2022
leetcode 66 - plus one.py	leetcode 66 - plus one.py	plus one string (easy) added	Apr 20, 2022
leetcode 67 - add binary.py	leetcode 67 - add binary.py	binary sum added	Apr 21, 2022
leetcode 69 - sqrt(x).py	leetcode 69 - sqrt(x).py	square root algorithm added	Apr 22, 2022
leetcode 70 - climbing stairs.py	leetcode 70 - climbing stairs.py	climing stairs added	Apr 27, 2022
leetcode 705 - hash set.py	leetcode 705 - hash set.py	refactor	Mar 30, 2022
leetcode 724 - find pivot index.py	leetcode 724 - find pivot index.py	finding middle/pivot index added	Apr 29, 2022
leetcode 783 - minimum distance between bst nodes.py	leetcode 783 - minimum distance between bst nodes.py	added leetcode questions (#20 )	Feb 19, 2023
leetcode 797 - all paths from source to target.py	leetcode 797 - all paths from source to target.py	added all paths from src to target	Jul 26, 2022
leetcode 83 - remove duplicates from sorted list.py	leetcode 83 - remove duplicates from sorted list.py	remove duplicates from linked list added	Apr 29, 2022
leetcode 872 - leaf-similar trees.py	leetcode 872 - leaf-similar trees.py	added sum of root-leaf binary \| fixed leaf-similar trees	May 24, 2022
leetcode 88 - merger sort array.py	leetcode 88 - merger sort array.py	merging two arrays in place added	Apr 30, 2022
leetcode 897 - increasing order bst.py	leetcode 897 - increasing order bst.py	added increasing order bst	May 23, 2022
leetcode 94 - binary tree inorder traversal.py	leetcode 94 - binary tree inorder traversal.py	added inorder and preorder traversal \| added balance a bst \| fixed so…	May 21, 2022
leetcode 944 - delete columns to make sorted.py	leetcode 944 - delete columns to make sorted.py	added: delete columns to make sorted	Jan 3, 2023
leetcode 96 - unique binary search trees.py	leetcode 96 - unique binary search trees.py	added unique binary search trees	Jul 28, 2022
leetcode 98 - validate binary search tree.py	leetcode 98 - validate binary search tree.py	added validate bst	May 21, 2022
leetcode 989 - add to array form of integer.py	leetcode 989 - add to array form of integer.py	added leetcode question (#21 )	Feb 24, 2023
leetcode 997 - find the town judge.py	leetcode 997 - find the town judge.py	added find town judge	Jul 26, 2022

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