Compilare: user.cpp: In function ‘int bsc(int)’: user.cpp:28:9: warning: unused variable ‘position’ [-Wunused-variable] int position; ^ user.cpp: At global scope: user.cpp:103:6: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] main() ^ user.cpp: In function ‘int schEl(int, int)’: user.cpp:76:1: warning: control reaches end of non-void function [-Wreturn-type] } ^