Compilare: user.cpp: In function ‘void add(nod*, int&, int)’: user.cpp:88:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(s[i+1] == ' ' || s[i+1] == '\n' || s[i+1] == 0) ^ user.cpp:91:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!q->fiu[p[s[i+1]]]) ^ user.cpp:92:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] q->fiu[p[s[i+1]]] = new nod(); ^ user.cpp:94:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] add(q->fiu[p[s[i]]],i,rand); ^