How Many Times Is The Function Recursivedectobin Called When #1721

 #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); } int main() { int n = 111,i; recursive_dec_to_bin(n); for(i=len-1; i>=0; i--) printf("%d",arr[i]); return 0; }