/in/foo.cc: In function 'int* Merge(int*, int, int*, int)':
/in/foo.cc:8:22: error: invalid conversion from 'void*' to 'int*' [-fpermissive]
     int*pTemp =malloc(sizeof(size1+size2));
                ~~~~~~^~~~~~~~~~~~~~~~~~~~~
/in/foo.cc:22:1: error: a function-definition is not allowed here before '{' token
 {
 ^
/in/foo.cc:42:1: error: expected '}' at end of input
 }
 ^
/in/foo.cc:42:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^