Eroare de compilare: user.cpp: In function ‘int expresie()’: user.cpp:24:9: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int factor()’: user.cpp:27:5: error: expected initializer before ‘semn’ semn=1; ^ user.cpp:30:9: error: ‘semn’ was not declared in this scope semn=-semn; ^ user.cpp:36:13: error: expected ‘;’ before ‘p’ p++; ^ user.cpp:38:12: error: ‘semn’ was not declared in this scope return semn*val;} ^ user.cpp:38:21: warning: control reaches end of non-void function [-Wreturn-type] return semn*val;} ^