Compilare: user.cpp: In function ‘bool deschisInchis(char, char)’: user.cpp:11:34: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(paranteza_deschisa == '(' && paranteza_inchisa == ')' ^ user.cpp:13:34: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] || paranteza_deschisa == '{' && paranteza_inchisa == '}') ^ user.cpp: In function ‘bool parantezareCorecta(std::vector<char>)’: user.cpp:29:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < paranteze.size(); i++) ^