Module 07 · DSAClinic: recursion, backtracking and DP
Clinic #13 - Subsets
Pattern: Backtracking (decision tree) · LC 78
Subsets · Open board
Yeh dikhata hai kaise ek chhota sa faisla, har item lena hai ya nahi, dohra-dohra ke teen numbers se aath alag-alag chhote group bana deta hai.
Before you start. Array mein end pe daalna push aur end se nikaalna pop kehlata hai - bas itna pehle se pata hona chahiye. Function apne aap ko dobara bula sakta hai; is lesson mein wo idea pehli baar, seedhe example ke saath, istemal hota hai.
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