Watch tutorials and explanations by expert teachers that walk through solving this problem.
Greg Hogg
Code Repo
Abhi Kerni
TheAnalyticGuy
H William Polenz
Ahmed Hashem
leetloaf
EltonCN
Solve more problems to master this pattern
![[Leetcode] 1117 Building H2O LeetCode using 2 Semaphore Simple Solution بالعربي](https://i.ytimg.com/vi/ogcaTxxNohc/hq720.jpg?sqp=-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE=&rs=AOn4CLDryZESJdHHLQT3sLn_8l5Q_GK09Q)
