Compilare: user.cpp: In function ‘int main()’: user.cpp:9:7: warning: unused variable ‘t’ [-Wunused-variable] int t; unsigned long long int n; ^ user.cpp:12:5: warning: ‘i’ may be used uninitialized in this function [-Wmaybe-uninitialized] for (unsigned long long int i; i<=n; i++) { ^ user.cpp:13:24: warning: ‘suma’ may be used uninitialized in this function [-Wmaybe-uninitialized] suma += pow(i, i); ^