Compilare: user.cpp: In function 'void read()': user.cpp:8: warning: format '%ld' expects type 'long int*', but argument 2 has type 'int*' user.cpp: In function 'void back(int)': user.cpp:21: warning: format '%lld' expects type 'long long int', but argument 2 has type 'long int' user.cpp: In function 'void afis2()': user.cpp:29: warning: format '%lld' expects type 'long long int', but argument 2 has type 'long int' user.cpp:29: warning: format '%lld' expects type 'long long int', but argument 3 has type 'long int' user.cpp: In function 'void solve()': user.cpp:53: warning: 'p' may be used uninitialized in this function