Compilare: user.cpp: In function ‘int main()’: user.cpp:30:13: warning: variable ‘interzis’ set but not used [-Wunused-but-set-variable] int interzis[r]; ^ user.cpp:18:9: warning: variable ‘start’ set but not used [-Wunused-but-set-variable] int start, final; ^ user.cpp:18:16: warning: variable ‘final’ set but not used [-Wunused-but-set-variable] int start, final; ^