Hashing

24 problems tagged with Hashing.

Easy (7)

Count Distinct Elements in Every Window

Not Specified

Find All Anagrams in a String (Leetcode 438)

Not Specified

Leftmost Non-Repeating Character (Leetcode 387)

Not Specified

Longest Consecutive Subsequence (Leetcode 128)

Not Specified

Pair With Given Sum in an Unsorted Array

Not Specified

Top K Frequent Elements (Leetcode 347)

Amazon, Google, Microsoft...

Valid Anagram (leetcode 242)

Amazon, Google, Microsoft...

Medium (11)

Count Subarrays with Given Sum

Not Specified

Counting Distinct Rows in a Binary Matrix

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Elements Occurring More Than n/k Times

Not Specified

Group Anagrams (Leetcode 49)

Amazon, Google, Microsoft...

Leftmost Repeating Character

Not Specified

Longest Subarray with Equal Number of 0s and 1s

Not Specified

Longest Substring Without Repeating Characters (leetcode 3)

Amazon, Google, Microsoft...

Minimum Number of Steps to Make Two Strings Anagram (LC 1347)

Not Specified

Minimum Number of Steps to Make Two Strings Anagram II (leetcode 2186)

Not Specified

Remove Duplicate Letters / Smallest Subsequence of Distinct Characters (Leetcode 316 / 1081)

Expedia, FactSet, Increff...

Subarray with given sum

Not Specified

Hard (5)

First Missing Positive (LC 41)

Amazon, Google, Meta...

Longest Common Span with Same Sum in Binary Arrays

Not Specified

Longest Duplicate Substring (Leetcode 1044)

Google

Longest Subarray With Given Sum

Not Specified

Subarray Sum Divisible by K

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Not Specified (1)

Contains Duplicate

Not Specified