Even Odd Tree (Leetcode 1609)

GITHUB code (C#): https://github.com/pravhub/Coding-Interviews/blob/master/lc1609.cs PLAY LISTS: June-2020 Leetcode challenge: https://www.youtube.com/watch?v=78rAtWLmatQ&list=PL_lPC-CADCvQzKeEYVn-kfPi3iuwgWIND May-2020 Leetcode challenge: https://www.youtube.com/playlist?list=PL_lPC-CADCvQFlIZK6GuJrz2gZud8jdPd Arrays https://www.youtube.com/watch?v=lI5KoSWbKGo&list=PL_lPC-CADCvSSU3KSchuIysoJoIV_i0No Binary Search: https://www.youtube.com/playlist?list=PL_lPC-CADCvTaIPt3g0akqATYkr-NI87Y Easy Problems: https://www.youtube.com/playlist?list=PL_lPC-CADCvTwmZqVktnh_htvXn5p_ABu Medium Problems: https://www.youtube.com/playlist?list=PL_lPC-CADCvT-pL1bZbY7mjGm_yevmRL4 Hard Problems: https://www.youtube.com/playlist?list=PL_lPC-CADCvQ26UpbzvV1sM0h_IIs0Xlj Divide and Conquer: https://www.youtube.com/playlist?list=PL_lPC-CADCvTuh1SwR4NsS6zqy2a-d1Y2 Greedy: https://www.youtube.com/playlist?list=PL_lPC-CADCvRk7pwBgY_LgFip8TtMltCZ Interview Tips: https://www.youtube.com/playlist?list=PL_lPC-CADCvR24lvSSwYQQuL-Xt6qh48l DFS: https://www.youtube.com/playlist?list=PL_lPC-CADCvSt_tLBS7ktGcV0jLD4mRXh BFS: https://www.youtube.com/playlist?list=PL_lPC-CADCvRr4srfNPMZ8ziAEPEpCXbP Backtracking: https://www.youtube.com/playlist?list=PL_lPC-CADCvRV2vbbZC6ELLZHV0Rp3_8V Dynamic Programming: https://www.youtube.com/playlist?list=PL_lPC-CADCvSFaErThMwvheODEeoSDc6f Queues: https://www.youtube.com/playlist?list=PL_lPC-CADCvR0XUS5GHOQDia5dHGXanPh Design: https://www.youtube.com/playlist?list=PL_lPC-CADCvR1FCYxx_ekFqKUvThjZV5t Stacks: https://www.youtube.com/playlist?list=PL_lPC-CADCvTcgeWr4qAexnEI-d5Jmx_Y LinkedList: https://www.youtube.com/playlist?list=PL_lPC-CADCvSrE1-yQh9ej9OQVXRmD7jW Strings: https://www.youtube.com/playlist?list=PL_lPC-CADCvSRKTJcAxtkJEGuP87K3E2J Sorting: https://www.youtube.com/playlist?list=PL_lPC-CADCvRBb0DkPgBdslBIdoPpEPdg Tries: https://www.youtube.com/playlist?list=PL_lPC-CADCvRoWf4vY71-MXwBJI_EKrvs Graphs: https://www.youtube.com/playlist?list=PL_lPC-CADCvQKZisgcyw21xBp5sLZ3Sq5 Trees: https://www.youtube.com/playlist?list=PL_lPC-CADCvQxHlYGdZOWXvvE3fva1D6h BIT Operations: https://www.youtube.com/playlist?list=PL_lPC-CADCvTlygb72CCczUwTMAgx-1bN netflix, amazon, microsoft, linkedin, apple, google, facebook