Compilare: user.cpp: In function ‘int main()’: user.cpp:54:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] lit[b[1][strlen(b[1])-1]]=1; ^ user.cpp:57:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[i]=lit[b[i][0]]+1; ^ user.cpp:58:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[i]>lit[b[i][strlen(b[i])-1]])lit[b[i][strlen(b[i])-1]]=d[i]; ^ user.cpp:58:67: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[i]>lit[b[i][strlen(b[i])-1]])lit[b[i][strlen(b[i])-1]]=d[i]; ^ /tmp/ccCV7vfy.o: In function `main': user.cpp:(.text.startup+0x69): warning: the `gets' function is dangerous and should not be used.