Compilare: user.cpp: In function 'int main()': user.cpp:39: warning: format '%ld' expects type 'long int*', but argument 3 has type 'int*' user.cpp:39: warning: format '%ld' expects type 'long int*', but argument 4 has type 'int*' user.cpp:33: warning: unused variable 'elim' user.cpp: In function 'int bun(interval, interval)': user.cpp:28: warning: control reaches end of non-void function