Compilare: user.cpp: In function ‘int main()’: user.cpp:43:15: warning: variable ‘n’ set but not used [-Wunused-but-set-variable] long long n, i, j, sum, sum2, p, s=0, s2=0; ^ user.cpp:43:24: warning: unused variable ‘sum’ [-Wunused-variable] long long n, i, j, sum, sum2, p, s=0, s2=0; ^ user.cpp:43:29: warning: unused variable ‘sum2’ [-Wunused-variable] long long n, i, j, sum, sum2, p, s=0, s2=0; ^ user.cpp:43:38: warning: unused variable ‘s’ [-Wunused-variable] long long n, i, j, sum, sum2, p, s=0, s2=0; ^ user.cpp:43:43: warning: unused variable ‘s2’ [-Wunused-variable] long long n, i, j, sum, sum2, p, s=0, s2=0; ^