Compilare: user.cpp: In function ‘int main()’: user.cpp:28:51: warning: suggest parentheses around comparison in operand of ‘==’ [-Wparentheses] if(distanta(a[i].x,a[i].y,a[j].x,a[j].y)==distanta(a[i].x,a[i].y,a[k].x,a[k].y)==distanta(a[j].x,a[j].y,a[k].x,a[k].y)) ^