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This repo contains DSA questions & their solution for interview preparation from different websites like geeksforgeeks, leetcode, etc.

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Sagargajare/leetcode-and-gfg

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279 Commits
1-two-sum
1-two-sum
 
 
1048-longest-string-chain
1048-longest-string-chain
 
 
1143-longest-common-subsequence
1143-longest-common-subsequence
 
 
118-pascals-triangle
118-pascals-triangle
 
 
120-triangle
120-triangle
 
 
121-best-time-to-buy-and-sell-stock
121-best-time-to-buy-and-sell-stock
 
 
1332-remove-palindromic-subsequences
1332-remove-palindromic-subsequences
 
 
141-linked-list-cycle
141-linked-list-cycle
 
 
160-intersection-of-two-linked-lists
160-intersection-of-two-linked-lists
 
 
1658-minimum-operations-to-reduce-x-to-zero
1658-minimum-operations-to-reduce-x-to-zero
 
 
167-two-sum-ii-input-array-is-sorted
167-two-sum-ii-input-array-is-sorted
 
 
169-majority-element
169-majority-element
 
 
1695-maximum-erasure-value
1695-maximum-erasure-value
 
 
175-combine-two-tables
175-combine-two-tables
 
 
189-rotate-array
189-rotate-array
 
 
19-remove-nth-node-from-end-of-list
19-remove-nth-node-from-end-of-list
 
 
2-add-two-numbers
2-add-two-numbers
 
 
206-reverse-linked-list
206-reverse-linked-list
 
 
21-merge-two-sorted-lists
21-merge-two-sorted-lists
 
 
215-kth-largest-element-in-an-array
215-kth-largest-element-in-an-array
 
 
217-contains-duplicate
217-contains-duplicate
 
 
226-invert-binary-tree
226-invert-binary-tree
 
 
229-majority-element-ii
229-majority-element-ii
 
 
23-merge-k-sorted-lists
23-merge-k-sorted-lists
 
 
238-product-of-array-except-self
238-product-of-array-except-self
 
 
242-valid-anagram
242-valid-anagram
 
 
287-find-the-duplicate-number
287-find-the-duplicate-number
 
 
3-longest-substring-without-repeating-characters
3-longest-substring-without-repeating-characters
 
 
3. Detect cycle in a directed graph - GFG
3. Detect cycle in a directed graph - GFG
 
 
300-longest-increasing-subsequence
300-longest-increasing-subsequence
 
 
31-next-permutation
31-next-permutation
 
 
347-top-k-frequent-elements
347-top-k-frequent-elements
 
 
36-valid-sudoku
36-valid-sudoku
 
 
48-rotate-image
48-rotate-image
 
 
49-group-anagrams
49-group-anagrams
 
 
5-longest-palindromic-substring
5-longest-palindromic-substring
 
 
50-powx-n
50-powx-n
 
 
509-fibonacci-number
509-fibonacci-number
 
 
53-maximum-subarray
53-maximum-subarray
 
 
56-merge-intervals
56-merge-intervals
 
 
583-delete-operation-for-two-strings
583-delete-operation-for-two-strings
 
 
62-unique-paths
62-unique-paths
 
 
704-binary-search
704-binary-search
 
 
73-set-matrix-zeroes
73-set-matrix-zeroes
 
 
74-search-a-2d-matrix
74-search-a-2d-matrix
 
 
75-sort-colors
75-sort-colors
 
 
88-merge-sorted-array
88-merge-sorted-array
 
 
9-palindrome-number
9-palindrome-number
 
 
968-binary-tree-cameras
968-binary-tree-cameras
 
 
Binary Search - GFG
Binary Search - GFG
 
 
Check if two arrays are equal or not - GFG
Check if two arrays are equal or not - GFG
 
 
Convert array into Zig-Zag fashion - GFG
Convert array into Zig-Zag fashion - GFG
 
 
Count Inversions - GFG
Count Inversions - GFG
 
 
Equilibrium Point - GFG
Equilibrium Point - GFG
 
 
Find Missing And Repeating - GFG
Find Missing And Repeating - GFG
 
 
First element to occur k times - GFG
First element to occur k times - GFG
 
 
Height of Binary Tree - GFG
Height of Binary Tree - GFG
 
 
Kadane's Algorithm - GFG
Kadane's Algorithm - GFG
 
 
Key Pair - GFG
Key Pair - GFG
 
 
Kth smallest element - GFG
Kth smallest element - GFG
 
 
Largest subarray with 0 sum - GFG
Largest subarray with 0 sum - GFG
 
 
Left View of Binary Tree - GFG
Left View of Binary Tree - GFG
 
 
Longest Common Substring - GFG
Longest Common Substring - GFG
 
 
Merge Sort - GFG
Merge Sort - GFG
 
 
Merge Without Extra Space - GFG
Merge Without Extra Space - GFG
 
 
Minimize the sum of product - GFG
Minimize the sum of product - GFG
 
 
Missing number in array - GFG
Missing number in array - GFG
 
 
Next Permutation - GFG
Next Permutation - GFG
 
 
Parenthesis Checker - GFG
Parenthesis Checker - GFG
 
 
Reverse array in groups - GFG
Reverse array in groups - GFG
 
 
Subarray with given sum - GFG
Subarray with given sum - GFG
 
 
Swap and Maximize - GFG
Swap and Maximize - GFG
 
 
README.md
README.md
 
 

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This repo contains DSA questions & their solution for interview preparation from different websites like geeksforgeeks, leetcode, etc.

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leetcode data-structures interview-questions algorithms-and-data-structures gfg

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