A collection of LeetCode questions to ace the coding interview! - Created using LeetHub v2

LeetCode Topics

Math

0009-palindrome-number
0013-roman-to-integer
0067-add-binary
0069-sqrtx
0070-climbing-stairs
0415-add-strings
0830-largest-triangle-area
1448-maximum-69-number
1993-sum-of-all-subset-xor-totals
2383-add-two-integers
2491-smallest-even-multiple
2608-count-the-digits-that-divide-a-number
2752-sum-multiples
3371-harshad-number
3476-find-minimum-operations-to-make-all-elements-divisible-by-three
3581-the-two-sneaky-numbers-of-digitville
3846-minimum-operations-to-make-array-sum-divisible-by-k

Array

0088-merge-sorted-array
0830-largest-triangle-area
1482-how-many-numbers-are-smaller-than-the-current-number
1505-create-target-array-in-the-given-order
1528-kids-with-the-greatest-number-of-candies
1570-final-prices-with-a-special-discount-in-a-shop
1580-shuffle-the-array
1603-running-sum-of-1d-array
1651-shuffle-string
1677-matrix-diagonal-sum
1781-check-if-two-string-arrays-are-equivalent
1899-count-items-matching-a-rule
1944-truncate-sentence
1993-sum-of-all-subset-xor-totals
2502-sort-the-people
2714-left-and-right-sum-differences
2876-number-of-employees-who-met-the-target
2977-check-if-a-string-is-an-acronym-of-words
3471-minimum-average-of-smallest-and-largest-elements
3476-find-minimum-operations-to-make-all-elements-divisible-by-three
3581-the-two-sneaky-numbers-of-digitville
3778-transform-array-by-parity
3846-minimum-operations-to-make-array-sum-divisible-by-k
4058-compute-alternating-sum

String

0013-roman-to-integer
0020-valid-parentheses
0058-length-of-last-word
0067-add-binary
0344-reverse-string
0415-add-strings
0742-to-lower-case
0782-jewels-and-stones
0874-backspace-string-compare
1078-remove-outermost-parentheses
1205-defanging-an-ip-address
1651-shuffle-string
1781-check-if-two-string-arrays-are-equivalent
1797-goal-parser-interpretation
1899-count-items-matching-a-rule
1944-truncate-sentence
2470-removing-stars-from-a-string
2502-sort-the-people
2977-check-if-a-string-is-an-acronym-of-words
3379-score-of-a-string
3811-reverse-degree-of-a-string
3872-find-most-frequent-vowel-and-consonant

Hash Table

0013-roman-to-integer
0782-jewels-and-stones
1482-how-many-numbers-are-smaller-than-the-current-number
2502-sort-the-people
3581-the-two-sneaky-numbers-of-digitville
3872-find-most-frequent-vowel-and-consonant

Sorting

0088-merge-sorted-array
1482-how-many-numbers-are-smaller-than-the-current-number
2502-sort-the-people
3471-minimum-average-of-smallest-and-largest-elements
3778-transform-array-by-parity

Counting Sort

1482-how-many-numbers-are-smaller-than-the-current-number
3778-transform-array-by-parity
3872-find-most-frequent-vowel-and-consonant

Prefix Sum

1603-running-sum-of-1d-array
2714-left-and-right-sum-differences

Two Pointers

0088-merge-sorted-array
0344-reverse-string
0874-backspace-string-compare
3471-minimum-average-of-smallest-and-largest-elements

Stack

0020-valid-parentheses
0874-backspace-string-compare
1078-remove-outermost-parentheses
1570-final-prices-with-a-special-discount-in-a-shop
2470-removing-stars-from-a-string

Simulation

0067-add-binary
0415-add-strings
0874-backspace-string-compare
1505-create-target-array-in-the-given-order
2470-removing-stars-from-a-string
3811-reverse-degree-of-a-string
4058-compute-alternating-sum

Greedy

1448-maximum-69-number

Matrix

1677-matrix-diagonal-sum

Monotonic Stack

1570-final-prices-with-a-special-discount-in-a-shop

Geometry

0830-largest-triangle-area

Binary Search

0069-sqrtx

Dynamic Programming

0070-climbing-stairs

Memoization

0070-climbing-stairs

Bit Manipulation

0067-add-binary
1993-sum-of-all-subset-xor-totals

Backtracking

1993-sum-of-all-subset-xor-totals

Combinatorics

1993-sum-of-all-subset-xor-totals

Enumeration

1993-sum-of-all-subset-xor-totals

Number Theory

2491-smallest-even-multiple