PROBLEM LINKS
DIFFICULTY
EXPLANATION
<img src=“http://www.codechef.com/download/Solutions/2011/May/ed1.jpg"width="500” height=“370”>
<img src=“http://www.codechef.com/download/Solutions/2011/May/ed2.jpg"width="350” height=“200”>
<img src=“http://www.codechef.com/download/Solutions/2011/May/ed3.jpg"width="370” height=“250”>
SETTER’S SOLUTION
Can be found here.
TESTER’S SOLUTION
Can be found here.