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Jason Scheirer  committed ab94ef0

Described problem in comments

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File problem102.go

+/*
+Problem 102.
+   
+Three distinct points are plotted at random on a Cartesian plane, for which -1000  x, y  1000, such that a triangle is formed.
+
+Consider the following two triangles:
+
+A(-340,495), B(-153,-910), C(835,-947)
+
+X(-175,41), Y(-421,-714), Z(574,-645)
+
+It can be verified that triangle ABC contains the origin, whereas triangle XYZ does not.
+
+Using triangles.txt (right click and 'Save Link/Target As...'), a 27K text file containing the co-ordinates of one thousand "random" triangles, find the number of triangles for which the interior contains the origin.
+
+NOTE: The first two examples in the file represent the triangles in the example given above.
+*/
+
 package main
 
 import (