Compilare: user.cpp: In function ‘int pow(int, int)’: user.cpp:17:21: warning: ‘r’ may be used uninitialized in this function [-Wmaybe-uninitialized] rez %= r; ^ user.cpp:23:12: warning: ‘rez’ may be used uninitialized in this function [-Wmaybe-uninitialized] return rez; ^ user.cpp: In function ‘int main()’: user.cpp:17:21: warning: ‘r’ may be used uninitialized in this function [-Wmaybe-uninitialized] rez %= r; ^ user.cpp:11:14: note: ‘r’ was declared here int rez, r; ^ user.cpp:30:22: warning: ‘rez’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << pow(x, p); ^