Compilare: user.cpp: In function ‘long long int degree(long long int)’: user.cpp:18:12: warning: ‘nr’ may be used uninitialized in this function [-Wmaybe-uninitialized] return nr; ^ user.cpp: In function ‘int main()’: user.cpp:36:35: warning: ‘nr’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (degree(n) > degree(k) + degree(nk)) {fout<<0<<"\n"; continue;} ^ user.cpp:36:35: warning: ‘nr’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:36:9: warning: ‘nr’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (degree(n) > degree(k) + degree(nk)) {fout<<0<<"\n"; continue;} ^