On a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vertically, to an adjacen...
Dhaka city is getting crowded and noisy day by day. Certain roads always remain blocked in congestion. In order to convince people avoid shortest routes, and he...
You are given a point set with nn points on the 2D-plane, your task is to find the smallest number of points you need to add to the point set, so that all the p...