Compilare: main.cpp: In function 'int main()': main.cpp:64:20: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 64 | while(s.size() >= 3 & determ(s[s.size() - 2], s[s.size() - 1], s[0]) < 0) | ~~~~~~~~~^~~~ main.cpp:66:20: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 66 | while(s.size() >= 3 & determ(s[s.size() - 1], s[0], s[1]) < 0) | ~~~~~~~~~^~~~