Compilare: user.cpp:52:6: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:23: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:23: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' user.cpp:23: warning: format '%d' expects type 'int*', but argument 4 has type 'long int*' user.cpp:50: warning: format '%d' expects type 'int', but argument 2 has type 'long int' user.cpp:50: warning: format '%d' expects type 'int', but argument 3 has type 'long int' user.cpp: In function 'int compar(const void*, const void*)': user.cpp:17: warning: control reaches end of non-void function