[Interview Question] Zombies In A Matrix (Also On Leetcode) 

Awesome Explanation!! Thanks much!! Keep up the good work!! Would love to see videos like this, thanks again.

the cleanest code for zombie matrix problem .

underrated video. One question. Would you hash the infected human so that another zombie won't have to infect the same human in the same turn? how would hash table work in this case( concat the index i and j into a string?)