View Compilation Error

927534_0_0_14629.cpp: In function `int f(long int)':
927534_0_0_14629.cpp:9: error: `a' undeclared (first use this function)
927534_0_0_14629.cpp:9: error: (Each undeclared identifier is reported only once for each function it appears in.)
927534_0_0_14629.cpp:9: error: `b' undeclared (first use this function)
927534_0_0_14629.cpp: In function `int main()':
927534_0_0_14629.cpp:16: error: expected `}' at end of input