Compilare: main.cpp: In function 'int main()': main.cpp:28:61: warning: '*' in boolean context, suggest '&&' instead [-Wint-in-bool-context] 28 | else if(a[x[i]] && a[y[i]] && !(infectabil[x[i]]*infectabil[y[i]])) | ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:10:15: warning: unused variable 'ok' [-Wunused-variable] 10 | bool a[N],ok,infectabil[N],neinfectabil[N]; | ^~