View Compilation Error

0_0_4850511_16992.cpp:9: error: expected primary-expression before '&' token
0_0_4850511_16992.cpp:9: error: `a' was not declared in this scope
0_0_4850511_16992.cpp:10: error: pure-specifier on function-definition
0_0_4850511_16992.cpp:10: error: invalid member function declaration
0_0_4850511_16992.cpp:51: error: ISO C++ forbids declaration of `intmain' with no type
0_0_4850511_16992.cpp: In function `int intmain()':
0_0_4850511_16992.cpp:60: error: `return0' undeclared (first use this function)
0_0_4850511_16992.cpp:60: error: (Each undeclared identifier is reported only once for each function it appears in.)