Compilare: user.cpp: In function ‘bool hashFind(const int&)’: user.cpp:136:19: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] int cheie = x & Lch; ^ user.cpp: In function ‘void hashInsert(const int&)’: user.cpp:151:19: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] int cheie = x & Lch; ^ user.cpp: In function ‘void hashErase(const int&)’: user.cpp:169:19: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] int cheie = x & Lch; ^ user.cpp: In member function ‘char InParser::read_ch()’: user.cpp:17:38: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, 4096, fin); ^