Compilare: user.cpp: In function 'long int merge(long int)': user.cpp:10: warning: unused variable 'j' user.cpp:10: warning: unused variable 'ok' user.cpp:10: warning: unused variable 'y' user.cpp: In function 'int main()': user.cpp:41: warning: format '%lld' expects type 'long long int*', but argument 2 has type 'long int*' user.cpp:41: warning: format '%lld' expects type 'long long int*', but argument 3 has type 'long int*' user.cpp:42: warning: format '%lld' expects type 'long long int*', but argument 2 has type 'long int*' user.cpp:44: warning: format '%lld' expects type 'long long int', but argument 2 has type 'long int'