The algorithm tag has no usage guidance.
-3
votes
0answers
64 views
Balanced smileys check algorithm [on hold]
Problem
Your friend John uses a lot of emoticons when you talk to him on
Messenger. In addition to being a person who likes to express himself
through emoticons, he hates unbalanced ...
0
votes
0answers
65 views
Find equal pairs [closed]
Problem
Given an array A of unique integers, find the index of values that
satisfy A + B =C + D, where A,B,C & D are integers values in the
array. Find all combinations of quadruples.
I ...
7
votes
2answers
148 views
Create a version series
The Definition
Given an integer x, a version series is a set of digits (base 10) from which any x-length subset of consecutive members is unique compared to all other possible subsets of the same ...
8
votes
3answers
471 views
Find the rows which make each column have one True (was: Knuth's Algorithm X)
Task
Given a Boolean matrix, find one (or optionally more) subset(s) of rows which have exactly one True in each column. You may use any algorithm, but must support very large matrices, like the last ...
10
votes
8answers
596 views
Number Triangles
Credit
My thanks to Rand Al'Thor's letter-based question for the inspiration for this code-golf challenge.
Background
The nature of this challenge is based off the algorithm mentioned by Rand in ...
