Compilare: user.cpp: In function ‘int suma02(int, int)’: user.cpp:5:11: warning: unused variable ‘i’ [-Wunused-variable] int s,i; ^ user.cpp: In function ‘int main()’: user.cpp:17:30: warning: unused variable ‘i’ [-Wunused-variable] unsigned long long n,p,s,i; ^ user.cpp: In function ‘int suma02(int, int)’: user.cpp:5:9: warning: ‘s’ may be used uninitialized in this function [-Wmaybe-uninitialized] int s,i; ^