What Is The Time Complexity Of The Recursive Implementation #1718

 #include<stdio.h> int arr[31], len = 0; void recursive_dec_to_bin(int n) { if(n == 0 && len == 0) { arr[len++] = 0; return; } if(n == 0) return; arr[len++] = n % 2; recursive_dec_to_bin(n/2); }