set-intersection Questions
2
Solved
Currently, I think my best option is to use std::set_intersection, and then check if the size of the smaller input is the same as the number of elements filled by set_intersection.
Is there a bett...
Overrate asked 1/11, 2010 at 10:34
8
Solved
I have two arrays list1 and list2 which have objects with some properties; userId is the Id or unique property:
list1 = [
{ userId: 1234, userName: 'XYZ' },
{ userId: 1235, userName: 'ABC' },
...
Confectionary asked 26/10, 2015 at 22:8
2
Solved
I want to calculate an overlap coefficient between sets. My data comes as a 2-column table, such as:
df_example <-
tibble::tribble(~my_group, ~cities,
"foo", "london",
&q...
Legation asked 2/10, 2023 at 12:5
19
Solved
Consider there are some lists of integers as:
#--------------------------------------
0 [0,1,3]
1 [1,0,3,4,5,10,...]
2 [2,8]
3 [3,1,0,...]
...
n []
#--------------------------------------
The qu...
Rackety asked 2/2, 2012 at 10:36
5
Solved
What is the simplest way to make a union or an intersection of Sets in Java? I've seen some strange solutions to this simple problem (e.g. manually iterating the two sets).
Mutt asked 30/6, 2018 at 8:23
3
Solved
I'm making some comparisons with UpSetR, and I'd like to save the lists of elements that fall into each intersection. Is this possible? I can't find it anywhere...
It would be pretty tedious to do ...
Milkwhite asked 26/11, 2020 at 17:57
3
I have two sets from Guava HashMultimap.values().
I need to find out if there's an intersection of these two non-empty sets with the best possible time complexity.
I don't need to know about the co...
Quantic asked 17/9, 2013 at 17:21
2
Solved
The current release of the package gmp does not support set operations such as intersect, setdiff , etc. I'm doing some work with number sequences (see OEIS for examples) and need to handle large c...
Gazebo asked 1/6, 2022 at 18:36
15
Given two lists (not necessarily sorted), what is the most efficient non-recursive algorithm to find the set intersection of those lists?
I don't believe I have access to hashing algorithms.
Triolet asked 30/1, 2009 at 21:35
5
Solved
I'm trying to find the intersections between two circles in Python(using Matplotlib) but can't get any values back.
I'm doing this by creating lists of X's and Y's for each individual circle(Matpl...
Harbor asked 23/4, 2019 at 17:56
3
Solved
Here is a simple example demonstrating what I'm trying to do:
use std::collections::HashSet;
fn main() {
let mut sets: Vec<HashSet<char>> = vec![];
let mut set = HashSet::new();
se...
Prestonprestress asked 7/12, 2020 at 1:51
7
Solved
I have a list of sets:
setlist = [s1,s2,s3...]
I want s1 ∩ s2 ∩ s3 ...
I can write a function to do it by performing a series of pairwise s1.intersection(s2), etc.
Is there a recommended, bett...
Rao asked 29/3, 2010 at 22:44
3
Solved
I came across this example and I don't understand what it means.
(SELECT drinker FROM Frequents)
EXCEPT ALL
(SELECT drinker FROM Likes);
relations: Frequents(drinker, bar), Likes(drinker, beer...
South asked 10/2, 2015 at 13:19
2
The example below shows how to compute the intersection of two sets. Does the STL provide tools that allow to do this not only for 2 but for N sets?
#include <iostream>
#include <algorith...
Solidarity asked 14/8, 2020 at 7:53
4
using Python, I want to check if a list contains an item/value that is also present in another list. For example, here is what I am trying to do:
list1 = ['item1','item2','item3']
list2 = ['...
Overbid asked 31/5, 2020 at 11:48
4
Solved
What is the best way to find the intersection of two ranges in C++? For example, if I have one range as [1...20] inclusive, and another as [13...45] inclusive, I want to get [13...20], as that is t...
Quagga asked 16/11, 2013 at 20:27
5
Solved
I am trying to add percentages to each section of my Venn Diagram. I have tried using paste to concatenate the circle titles with the percentages. However, unfortunately, this does not completely w...
Took asked 11/2, 2014 at 23:0
2
Solved
Given the input json
[
{"title": "first line"},
{"title": "second line"},
{"title": "third line"}
]
How can we extract only the titles that contain keywords that are listed in a second "filte...
Fiery asked 11/2, 2019 at 10:54
3
Solved
While it is easy to do it in a for loop, is there a way in Java-8 to find if all elements in list L are present in Set s ?
Addlebrained asked 18/5, 2018 at 18:47
4
Solved
Is there any way to do std::set_intersection on two different types of sets?
I have two sets:
std::set<X1> l_set1;
std::set<X2> l_set2;
I'm able to define some comparator for them that...
Vedda asked 24/8, 2011 at 7:51
2
I haven't taken python in a long time and am a bit rusty but for the first question I'm taking a dictionary and need to intersect it returning the key and the value. So for example, I'm enter...
Ecto asked 14/1, 2018 at 2:9
2
Solved
Is there any difference between using the reversed union or intersection operators on sets in Python?
for instance,
s & z corresponds to s.__and__(z)
z & s corresponds to s.__rand__(z)
...
Tuxedo asked 4/4, 2017 at 2:17
2
Solved
Is there a function that receives a list x and returns a list y such that y[[i]] = intersect(x[[1]][[i]], x[[2]][[i]], ...) ?
If not, is there a R way to code it in a couple of lines?
Evapotranspiration asked 8/7, 2011 at 21:36
4
I've got a feeling that I will be told to go to the 'beginner's guide' or what have you but I have this code here that goes
does = ['my','mother','told','me','to','choose','the']
it = ['my','mothe...
Reata asked 2/8, 2016 at 18:43
2
Solved
Consider the following sets of probabilities (the three events are NOT mutually exclusive):
0.05625 success, 0.94375 failure
0.05625 success, 0.94375 failure
0.05625 success, 0.94375 failure
H...
Gwalior asked 31/1, 2016 at 20:37
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