Count number of binary strings

💡-count-number-of-binary-strings

rahul.gupta03111999 (Rahul Gupta) October 23, 2020, 5:48pm #1

My code is passing only one test case.
Please help.

Kartikkhariwal1 (Kartik Khariwal) October 23, 2020, 6:01pm #2

Hey @rahul.gupta03111999
Use long long