Archisman Dawn

Create UnboundedKnapsack.js

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### Describe your change: - Unbounded Knapsack ### Checklist: - [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Javascript/blob/master/CONTRIBUTING.md). - [x] This pull request is all my own work -- I have not plagiarized....

Added algorithm for implementation of a stack using 2 queues

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### **Describe your change:** - Implementation of a stack data structure using 2 queues . #### References ### **Checklist:** - [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [x] This pull request...

### **Describe your change:** - Equal Sum Partition #### References ### **Checklist:** - [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [x] This pull request is all my own work -- I...

Fixes #244 .