Watch tutorials and explanations by expert teachers that walk through solving this problem.
Programming Live with Larry
Soumya Bhattacharjee
Alpha-Code
Sandeep Kumar
StatLearn Tech
Tim Huang
LetsCode
robzingcod
Solve more problems to master this pattern
![[LeetCode 306] 4 - Count Special Integers](https://i.ytimg.com/vi/dnzVn1yg0kw/hq720.jpg?sqp=-oaymwExCNAFEJQDSFryq4qpAyMIARUAAIhCGAHwAQH4Af4IgALQBYoCDAgAEAEYZSBTKGAwDw==&rs=AOn4CLAKXbrkBlNQNQhUsH_girGRrSSjBw)
