https://leetcode.com/problems/freedom-trail/description/
Min steps to produce
Min steps to produce
key
by rotating ring
#hard #dynamic_programming #recursion #hash_map👍1
https://leetcode.com/problems/parsing-a-boolean-expression/description/
Parse boolean expression #hard #stack #recursion
Parse boolean expression #hard #stack #recursion
👍4
https://leetcode.com/problems/flip-equivalent-binary-trees/description/
Are trees flip-equal #medium #recursion #dfs
Are trees flip-equal #medium #recursion #dfs
👍3
https://leetcode.com/problems/lowest-common-ancestor-of-deepest-leaves/description
Lowest common ancestor of deepest tree nodes #medium #recursion
Lowest common ancestor of deepest tree nodes #medium #recursion
👍2