# How do you find the sum of a subset problem?

## How do you find the sum of a subset problem?

Subset Sum Problem | DP-25

1. Consider the last element and now the required sum = target sum – value of ‘last’ element and number of elements = total elements – 1.
2. Leave the ‘last’ element and now the required sum = target sum and number of elements = total elements – 1.

## What is sum of subset problem in DAA?

Subset sum problem is to find subset of elements that are selected from a given set whose sum adds up to a given number K.

What is the subset sum problem in O ( sum ) space?

The “Subset sum in O (sum) space” problem states that you are given an array of some non-negative integers and a specific value. Now find out if there is a subset whose sum is equal to that of the given input value. The simplest approach which anyone can think of is to create all subsets and take their sum.

### How to solve the subset sum problem using dynamic programming?

The naive approach to solve this question would be to go through all the possible subsets. For n elements there can be 2^n subsets. As you can guess, that would be computationally very, very, very inefficient. To solve the problem using dynamic programming we will be using a table to keep track of sum and current position.

### Is the formula for Lp space a subadditive function?

defines an absolutely homogeneous function for 0 < p < 1; however, the resulting function does not define a norm, because it is not subadditive. On the other hand, the formula defines a subadditive function at the cost of losing absolute homogeneity. It does define an F-norm, though, which is homogeneous of degree p . defines a metric.

Is the subset sum problem NP complete or NP complete?

The subset sum problem is a decision problem in computer science. In its most general formulation, there is a multiset of integers and a target sum T, and the question is to decide whether any subset of the integers sum to precisely T? The problem is known to be NP-complete.