Compilare: user.cpp: In function ‘int expresie()’: user.cpp:81:6: warning: unused variable ‘start’ [-Wunused-variable] int start = 1, p = 1; ^ user.cpp:82:22: warning: variable ‘umax’ set but not used [-Wunused-but-set-variable] int smax = -100001, umax, pmax, pc = 1, sc = -1; ^ user.cpp:82:28: warning: variable ‘pmax’ set but not used [-Wunused-but-set-variable] int smax = -100001, umax, pmax, pc = 1, sc = -1; ^