intk=4, x=3, y, w, z=16; z++; } } } 編譯失敗(CE)#stdin編譯失敗(ce)#stdout0s 0KB comments () stdin copy Standard input is empty 編譯資訊 prog.cpp:1:2: error: invalid preprocessing directive #using #using System; ^~~~ prog.cpp:3:1: error: expected unqualified-id before ‘p...