# .LeetCode Case Studies ## Easy - [Problem #21](https://hackmd.io/@rgbkoi/rkvjm9V_I) - [Problem #1417](https://hackmd.io/@rgbkoi/H1op21vKv) ## Medium - [Problem #5](https://hackmd.io/@rgbkoi/HJ119r0SU) - [Problem #11](https://hackmd.io/@rgbkoi/B18DeSwLL) - [Problem #16](https://hackmd.io/@rgbkoi/ryIdG2bO8) - [Problem #19](https://hackmd.io/@rgbkoi/rkJf5KN_L) - [Problem #24](https://hackmd.io/@rgbkoi/Hyntw9EOU) - [Problem #61](https://hackmd.io/@rgbkoi/HykiVs4uL) - [Problem #92](https://hackmd.io/@rgbkoi/ByFWMSBO8) - [Problem #1415](https://hackmd.io/@rgbkoi/rk5q7K8Kv)
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