https://leetcode.com/problems/find-elements-in-a-contaminated-binary-tree/description/


Is number in a tree 2*v+(1L, 2R)? #medium #bfs #dfs

Running queries of increasing BFS #hard #bfs #heap


https://leetcode.com/problems/maximum-number-of-points-from-grid-queries/description/

https://leetcode.com/problems/find-minimum-time-to-reach-last-room-i/description


Fastest path in graph #medium #bfs

https://leetcode.com/problems/find-minimum-time-to-reach-last-room-ii/description/


Fastest travel in graph, alternating dt=1,2 #medium #bfs

https://leetcode.com/problems/find-closest-node-to-given-two-nodes/description


Closest common node #medium #bfs

https://leetcode.com/problems/snakes-and-ladders/description/


Shortest path bottom-top in zig-zag matrix with jumps #medium #bfs