InterviewSolution
Saved Bookmarks
| 1. |
Let f(n) denotes the number of different ways in which the positive integer n can be expressed as the sum of 1′s and 2′s. For example f(4)=5, since4=2+2=2+1+1=1+2+1=1+1+2=1+1+1+1.Then which of the following(s) is (are) CORRECT ? |
|
Answer» Let f(n) denotes the number of different ways in which the positive integer n can be expressed as the sum of 1′s and 2′s. For example f(4)=5, since |
|