Add Buy and Sell series of Leetcode

[divya1509]

Aim

• I want to add the buy and sell stock series. The questions are : https://leetcode.com/problems/best-time-to-buy-and-sell-stock/ https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/ https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/ https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv/ https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/ https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee/

Details

• A detailed solution approach will be shared with examples

Programming language

• [ ] C
• [ ] C++
• [x] Java
• [ ] Python