All Questions
6 questions
0
votes
1
answer
42
views
Displaying sets and subsets of a string
I am trying to find the subsets and output them with binary representation.
EXAMPLE:
000:EMPTY
001:C
010:B
011:B C
100:A
101:A C
110:A B
111:A B C
I have the following code that finds all subsets ...
-1
votes
1
answer
1k
views
Partitioning the array into k non-empty non-intersecting subsegments such that each subsegment has odd sum
I am new in competitive programming. The other day I was solving this problem
You are given an array a consisting of n integers a1,a2,…,an. You want to split it into exactly k non-empty non-...
-9
votes
2
answers
137
views
Given a positive integer N as input, how do I find the product of the numbers in their subsets?
If N=405, how do I generate all of it's subsets and then find the product of each subset's numbers? Like in this case, the set would be {0,4,5,40,05,45,405}
and their products would result in a set {0,...
5
votes
2
answers
2k
views
Best algorithm to compare a set with a collection of sets
What is the best algorithm to find the sets in a finite collection of sets that are a subset of a specific set?
For example, if
A = {1, 2}
B = {2, 3, 4}
C = {3, 5}
D = {6}
and X = {1, 2, 3, 5}
...
2
votes
1
answer
1k
views
How to generate all unique sub sets of length k of an array c++
I need a way to generate all unique sub sets of length k of an array, similar to itertools.combinations() in python. I am trying to get these sets for association mining until the support is less than ...
7
votes
4
answers
2k
views
Best way to find a subset of a set from a group of sets
First, sorry for the ambiguous title.
Assume I have the following group of sets:
Group 1
s1 = ( x1, y1 )
s2 = ( x2 )
Group 2
m1 = ( x1, y1, y2 )
m2 = ( x1 )
m3 = ( x1 , x2 )
For each of the sets ...