Distributing distinct objects to distinct boxes (functions) (Eachofndistinctobjectsindependentlychoosesamongrdistinctboxes→r^n)
jee-mainjee-advanced
Each of n distinct objects independently chooses among r distinct boxes → r^n
What each symbol means
| Symbol | What it stands for |
|---|---|
| n | Distinct objects / domain size |
| r | Distinct boxes / codomain size |
When to use this
Boxes allowed empty unless extra constraints; objects distinguishable.