View Compilation Error

0_0_4394376_22712.cpp:7: error: expected constructor, destructor, or type conversion before ';' token
0_0_4394376_22712.cpp: In function `int main()':
0_0_4394376_22712.cpp:18: error: `rp' undeclared (first use this function)
0_0_4394376_22712.cpp:18: error: (Each undeclared identifier is reported only once for each function it appears in.)