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Data-Structures-and-Algorithms-Questions

A collection of LeetCode questions to ace the coding interview!

LeetCode Topics

String

0006-zigzag-conversion
0020-valid-parentheses
1044-find-common-characters
1895-minimum-number-of-operations-to-move-all-balls-to-each-box
2237-longest-palindrome-by-concatenating-two-letter-words
3194-find-words-containing-character

Stack

0020-valid-parentheses

Array

0031-next-permutation
0048-rotate-image
0053-maximum-subarray
0054-spiral-matrix
0056-merge-intervals
0073-set-matrix-zeroes
0075-sort-colors
0088-merge-sorted-array
0118-pascals-triangle
0121-best-time-to-buy-and-sell-stock
1044-find-common-characters
1878-check-if-array-is-sorted-and-rotated
1895-minimum-number-of-operations-to-move-all-balls-to-each-box
2237-longest-palindrome-by-concatenating-two-letter-words
2358-number-of-ways-to-split-array
2614-maximum-count-of-positive-integer-and-negative-integer
3194-find-words-containing-character

Hash Table

0073-set-matrix-zeroes
1044-find-common-characters
2237-longest-palindrome-by-concatenating-two-letter-words

Matrix

0048-rotate-image
0054-spiral-matrix
0073-set-matrix-zeroes

Dynamic Programming

0053-maximum-subarray
0118-pascals-triangle
0121-best-time-to-buy-and-sell-stock

Two Pointers

0031-next-permutation
0075-sort-colors
0088-merge-sorted-array

Divide and Conquer

0053-maximum-subarray

Sorting

0056-merge-intervals
0075-sort-colors
0088-merge-sorted-array

Math

0048-rotate-image

Prefix Sum

1895-minimum-number-of-operations-to-move-all-balls-to-each-box
2358-number-of-ways-to-split-array

Simulation

0054-spiral-matrix

Binary Search

2614-maximum-count-of-positive-integer-and-negative-integer

Counting

2237-longest-palindrome-by-concatenating-two-letter-words
2614-maximum-count-of-positive-integer-and-negative-integer

Greedy

2237-longest-palindrome-by-concatenating-two-letter-words

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A collection of LeetCode questions to ace the coding interview!

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