Solution for 801-900


19/100

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# Name Difficulty Tags
802 Find Eventual Safe States Medium
814 Binary Tree Pruning Medium Tree
819 Most Common Word Easy
834 Sum of Distances in Tree Hard Tree | Depth-first Search
839 Similar String Groups Hard
841 Keys and Rooms Medium
842 Split Array into Fibonacci Sequence Medium
854 K-Similar Strings Hard
860 Lemonade Change Easy
861 Score After Flipping Matrix Medium
863 All Nodes Distance K in Binary Tree Medium Tree | Depth-first Search | Breadth-first Search
865 Smallest Subtree with all the Deepest Nodes Medium Tree
870 Advantage Shuffle Medium
872 Leaf-Similar Trees Easy Tree | Depth-first Search
874 Walking Robot Simulation Easy
881 Boats to Save People Medium
889 Construct Binary Tree from Preorder and Postorder Traversal Medium Tree
894 All Possible Full Binary Trees Medium Tree | Recursion
897 Increasing Order Search Tree Easy Tree | Depth-first Search