python (65.1k questions)

javascript (44.2k questions)

reactjs (22.7k questions)

java (20.8k questions)

c# (17.4k questions)

html (16.3k questions)

r (13.7k questions)

android (12.9k questions)

Questions - knapsack-problem

How to find indexes of elements in recursive-knapsack?

I'm trying to implement recursive Knapsack which would return 2 things: Max value we get by filling knapsack. Indexes of the elements considered for filling the knapsack. Please note that I don't wa...
test-img

Jatin

c++

data-structures

knapsack-problem

recursive-datastructures

Votes: 0

Answers: 2

Latest Answer

The vector idx is passed by reference: vector<int>& idx. The issue is that here: int consider = val[N - 1] + knapsack(wt, val, W - wt[N - 1], N - 1, idx); int dontconsider = knapsack(wt, v...
test-img

Damien

Programm stops working with large numbers

I created a wonderful code that, taking into account the maximum allowable weight of a backpack, returns the items from the list by repeated enumeration, sums up their price and weight, and gives the ...
test-img

G1ChOvinODESKO

python

for-loop

while-loop

knapsack-problem

Votes: 0

Answers: 1

Latest Answer

It's not that you have too many items, it's that you get stuck in a state where you're unable to add any items to the backpack. To debug small programs like this, a helpful thing is to stick a print ...
test-img

Samwise

What temporal formula to use for knapsack problem?

In "Practical TLA+" by Hillel Wayne, Chapter 3 goes over an implementation of the Knapsack Problem in PlusCal. Although I understand the implementation, I don't understand how to run it. He ...
test-img

Seanny123

visual-studio-code

knapsack-problem

tla+

pluscal

Votes: 0

Answers: 2

Latest Answer

It's under "model overview > what is the behavior spec".
test-img

Hovercouch

Python is | slower than or operator?

For this Leetcode question, it seems that if I use the following code, it will pass the online judge: Given a non-empty array nums containing only positive integers, find if the array can be partition...
test-img

Jinhua Wang

python

python-3.x

dynamic-programming

bitwise-operators

knapsack-problem

Votes: 0

Answers: 1

Latest Answer

I think @khelwood and @luk2302 are right. or short circuits, | does not. In other words, or will stop evaluating the second depth-first-search if the first is True, while | always evaluate both, resul...
test-img

Jinhua Wang

Posts

Questions

Blogs

Jobs