Compilare: user.cpp: In function ‘long int verif(long int)’: user.cpp:7:9: warning: unused variable ‘j’ [-Wunused-variable] long i,j,c,rest,total=n,nr1,nr2,cap,fr1,fr2; ^ user.cpp:7:11: warning: unused variable ‘c’ [-Wunused-variable] long i,j,c,rest,total=n,nr1,nr2,cap,fr1,fr2; ^ user.cpp:7:13: warning: unused variable ‘rest’ [-Wunused-variable] long i,j,c,rest,total=n,nr1,nr2,cap,fr1,fr2; ^ user.cpp: In function ‘int main()’: user.cpp:58:7: warning: unused variable ‘i’ [-Wunused-variable] long i; ^