Binary

• Sum of Two Integers -

https://leetcode.com/problems/sum-of-two-integers/

https://leetcode.com/problems/counting-bits/

• Missing Number -

https://leetcode.com/problems/missing-number/

• Reverse Bits -

https://leetcode.com/problems/reverse-bits/

Graph

• Alien Dictionary (Leetcode Premium) -

https://leetcode.com/problems/alien-dictionary/

• Graph Valid Tree (Leetcode Premium) -

https://leetcode.com/problems/graph-valid-tree/

• Number of Connected Components in an Undirected Graph (Leetcode Premium) -

https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph/

Interval