Compilare: user.cpp: In function ‘int rentabil()’: user.cpp:30:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, maxi=0, poz ,y,x, z=0; ^ user.cpp:30:30: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] int i, j, maxi=0, poz ,y,x, z=0; ^ user.cpp: In function ‘int main()’: user.cpp:69:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, maxim=0; ^ user.cpp: In function ‘int rentabil()’: user.cpp:43:19: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] y=val[poz]-v[poz].bil; ^