View Compilation Error

142619_0_2702.cpp: In function `int main()':
142619_0_2702.cpp:5: error: expected unqualified-id before "int"
142619_0_2702.cpp:5: error: expected `,' or `;' before "int"
142619_0_2702.cpp:7: error: `b' undeclared (first use this function)
142619_0_2702.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
142619_0_2702.cpp:11: error: return-statement with no value, in function returning 'int'