Compilare: user.cpp: In function ‘int main()’: user.cpp:17:13: warning: unused variable ‘j’ [-Wunused-variable] int i , j , b , c ,prim , ultim , maxim=0 , inc , p , n , nrc=0 , nr=0 , sir=0 , lung=0 ; ^ user.cpp:17:18: warning: unused variable ‘b’ [-Wunused-variable] int i , j , b , c ,prim , ultim , maxim=0 , inc , p , n , nrc=0 , nr=0 , sir=0 , lung=0 ; ^ user.cpp:17:22: warning: unused variable ‘c’ [-Wunused-variable] int i , j , b , c ,prim , ultim , maxim=0 , inc , p , n , nrc=0 , nr=0 , sir=0 , lung=0 ; ^ user.cpp:17:25: warning: variable ‘prim’ set but not used [-Wunused-but-set-variable] int i , j , b , c ,prim , ultim , maxim=0 , inc , p , n , nrc=0 , nr=0 , sir=0 , lung=0 ; ^ user.cpp:17:32: warning: variable ‘ultim’ set but not used [-Wunused-but-set-variable] int i , j , b , c ,prim , ultim , maxim=0 , inc , p , n , nrc=0 , nr=0 , sir=0 , lung=0 ; ^ user.cpp:17:50: warning: unused variable ‘inc’ [-Wunused-variable] int i , j , b , c ,prim , ultim , maxim=0 , inc , p , n , nrc=0 , nr=0 , sir=0 , lung=0 ; ^ user.cpp:17:64: warning: unused variable ‘nrc’ [-Wunused-variable] int i , j , b , c ,prim , ultim , maxim=0 , inc , p , n , nrc=0 , nr=0 , sir=0 , lung=0 ; ^ user.cpp:18:10: warning: unused variable ‘exista’ [-Wunused-variable] bool exista=0; ^