Output the number of pairs that are in the wrong order in an array?
1050
Counting inversions in an array
31915
In Perl, is there a built in way to compare two arrays for equality?
67282
Reverse String order
79380
How to find the order of a group generated by two elements?
29594
How create an array from the output of an array printed with print_r?
95911
Using Pairs or 2-tuples in Java
93668
Java Array, Finding Duplicates
74711
Java: Checking equality of arrays (order doesn't matter)
47403
Sort an array in Java
155819
Count the number of unique elements of a list of tuples regardless of order in Python
3568
Fast way to get a position of combination (without repetitions)
52581
index() match() join() I want to show all duplicate results disregarding their order
4002
A function that accepts a pair or a list of pairs
49912
Generating ordered combination of numbers
92494
counting occurrence of numbers in array
40863
Is there a NumPy function to return the first index of something in an array?
101729
What's the best way to get the last N elements of a Perl array?