# include <stdio.h># define eps 1e-8struct node{ double x,y;};node a,b,c,d;int zero(double x){ if(x<eps&&x>-eps) return 1; return 0;}double cross(node a,node b,node c){ return (b.x-a.x)*(c.y-a.y)-(c.x-a.x)*(b.y-a.y);}int main (){ int n; scanf("%d",&n); printf("INTERSECTING LINES OUTPUTn"); while(n--) { scanf("%lf%lf%lf%lf%lf%lf%lf%lf",&a.x,&a.y,&b.x,&b.y,&c.x,&c.y,&d.x,&d.y); if(zero(cross(a,b,c))&&zero(cross(a,b,d))) { printf("LINEn"); continue; } if(zero((b.y-a.y)*(d.x-c.x)-(b.x-a.x)*(d.y-c.y))) { printf("NONEn"); continue; } node e=a; double t=((a.x-c.x)*(c.y-d.y)-(a.y-c.y)*(c.x-d.x))/ ((a.x-b.x)*(c.y-d.y)-(a.y-b.y)*(c.x-d.x)); e.x+=(b.x-a.x)*t; e.y+=(b.y-a.y)*t; printf("POINT %.2lf %.2lfn",e.x,e.y); } printf("END OF OUTPUTn"); return 0;}
