Is it possible to get the most common elements in an array and their frequency in a linear amount of time?
6065
The Most Efficient Way To Find Top K Frequent Words In A Big Word Sequence
43601
Find the first occurrence/starting index of the sub-array in C#
61281
Finding maximal sublist of linearly independent vectors
64933
Algorithm to determine if array contains n...n+m?
43583
Algorithm to find k smallest numbers in array of n items
70011
Element-wise array replication in Matlab
23762
How to find an item in array which has the most occurrences
134512
Most efficient method to groupby on an array of objects
65271
Find the missing and duplicate elements in an array in linear time and constant space
85352
Couting occurrences of each value in an array
1937
How to find the index of an element in an array in Java?
113201
How do I check if my array has repeated values inside it?
117672
finding largest increasing subset of an array (non-contiguous)
69840
Function to sort a static list of items by recency and frequency
157763
Objective C — What is the fastest and most efficient way to enumerate an array?
41533
Finding three elements in an array whose sum is closest to a given number
42760
how to find frequency of the keys in a dictionary across multiple text files?