Here is the list of Week 1 problems:
- https://www.dhirubhai.net/pulse/grind-75-questions-1-two-sum-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-2-valid-parentheses-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-3-merge-two-sorted-lists-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-4-best-time-buy-sell-stock-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-5-valid-palindrome-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-6-invert-binary-tree-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-7-valid-anagram-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-8-binary-search-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-9-flood-fill-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-10-lowest-common-ancestor-binary-search-tree-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-11-balanced-binary-tree-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-12-linked-list-cycle-senthil-e
- https://www.dhirubhai.net/pulse/grind-75-13-implement-queue-using-stacks-senthil-e
The week one problems are the above and all are Easy Leetcode Problems.