What should be typed to missing code sections in the following C++ program in order to display the output properly? \#include ciostreams 14missing code I/ int main() \{. double x,y,z; cout \& "Enter three numbers: "; cin >>x>>y>zz cout "The output is " f1(x,y,z) endl; return e; \} Hissingcode-II* 1. If (ba) return b; else if ( c