Compilare: user.cpp: In function ‘void AddWord()’: user.cpp:29:10: warning: unused variable ‘j’ [-Wunused-variable] int i , j ; ^ user.cpp: In function ‘void EraseWord(int, Trie*)’: user.cpp:75:18: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if ( ok = true ) ^ user.cpp: In function ‘int main()’: user.cpp:93:6: warning: unused variable ‘i’ [-Wunused-variable] int i , j , type; ^ user.cpp:93:10: warning: unused variable ‘j’ [-Wunused-variable] int i , j , type; ^ user.cpp: In function ‘void AddWord()’: user.cpp:31:15: warning: ‘i’ is used uninitialized in this function [-Wuninitialized] while ( cuv[i] and p->Son[Trans(i)] ) ^