What will be the output of the following C++ code? void copy (int\& a, int\& b, int\& c) a=2b=2c=2 ] int main () \{ int x=1,y=3,z=7 copy (x,y,z); cout " x="i+c.i; temp.j = this j + c.j; return temp; \} void show() \{ cout