Does Anybody have a working COOL (Classroom Object-Oriented Language) Compiler project ??
Does Anybody have a working COOL (Classroom Object-Oriented Language) Compiler project ??
How to solve the problem from latest Codechef Long Contest :
How to solve this problem from recent Codechef Long Challenge??
http://usaco.org/index.php?page=viewproblem2&cpid=532 can someone elaborate the solution to this problem given at the website ?
http://www.codechef.com/COOK56/problems/STRAB/
Can someone explain the dp approach except the one given in the editorial ? Also if someone know similar problems , please provide the link :) .
To find shortest path in a directed graph with edges having weight either 0 or 1 , we often use a modification of bfs with deque. But i don't know why we push at head of the queue whenever we encounter a 0-weight edge ?