Compilare: main.cpp: In function 'int main()': main.cpp:20:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 20 | else if(s[i] == ')' && s[v.back()] == '(' || s[i] == ']' && s[v.back()] == '[' || s[i] == '}' && s[v.back()] == '{'){ main.cpp:20:103: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 20 | else if(s[i] == ')' && s[v.back()] == '(' || s[i] == ']' && s[v.back()] == '[' || s[i] == '}' && s[v.back()] == '{'){