Compilare: user.cpp:27:21: warning: overflow in implicit constant conversion [-Woverflow] char buf[1000000],D=999999,poz=D+2; ^ user.cpp: In function ‘unsigned int ianr()’: user.cpp:31:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(buf[poz]<'0'||buf[poz]>'9') ^ user.cpp:31:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(buf[poz]<'0'||buf[poz]>'9') ^ user.cpp:34:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] while('0'<=buf[poz]&&buf[poz]<='9') ^ user.cpp:34:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] while('0'<=buf[poz]&&buf[poz]<='9') ^ user.cpp:36:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] nr=nr*10+buf[poz]-'0'; ^