Compilare: main.cpp: In function 'int main()': main.cpp:24:97: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 24 | if(in(a[i],a[j],b[i])*in(a[i],b[j],b[i])<=0 && in(b[j],a[i],a[j])*in(b[j],b[i],a[j])<=0 &!(a[i].x*b[i].y==a[i].y*b[i].x && a[i].x*a[j].y==a[i].y*a[j].x)) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ main.cpp:18:15: warning: unused variable 'd' [-Wunused-variable] 18 | int i,j,n,d,rasp=0; | ^