Selecting 1st $n$ elements meeting criterion from very long list
74902
Iterate until condition is met
153174
How can I get every distinct size-n combination of a list?
33720
Repeatedly take n elements from a list
125632
Python: fastest way to create a list of n lists
59530
Efficiently finding the intersection of a variable number of sets of strings
117025
Selection algorithms on sorted matrix
27025
How do I choose an element from a non-empty set?
146098
Number of nonempty subsets of a set with $n$ elements
85023
Permutation of n objects with restriction of adjacent pairs
133558
How to pick one number from each sorted list so that the difference between the minimum and maximum is as small as possible?
117658
A set with n elements has 2^n subsets
145166
Picking out items from a python list which have specific indexes
58543
Sorting a list with secondary criterion
1409
Proving that the given set has at most $2^{n-1}$ elements
7816
Partition on sublists beginning with a certain marker elements
86787
How to find the max number(s) in a list with tied numbers
147236
How to select sub-lists having at least one element that matches a pattern