0_0_27535891_5898.cpp:13:5: error: 'c' does not name a type c=y*t/a; ^ 0_0_27535891_5898.cpp:14:5: error: expected unqualified-id before 'return' return c; ^ 0_0_27535891_5898.cpp:15:1: error: expected declaration before '}' token } ^