Contest - https://www.codechef.com/COOK121B
Problem Name -Chef and Work
Problem Link - https://www.codechef.com/COOK121B/problems/CHEFNWRK
Editorial - CHEFNWRK - Editorial
Problem Name - Polygon Relationship
Problem Link - https://www.codechef.com/COOK121B/problems/POLYREL
Editorial - POLYREL - Editorial
Problem Name - K-Foldable String
Problem Link - https://www.codechef.com/COOK121B/problems/KFOLD
Editorial - KFOLD - Editorial
Problem Name - Red-blue Trees
Problem Link - https://www.codechef.com/COOK121B/problems/RBTREES
Editorial - RBTREES - Editorial
Problem Name - Beautiful Subsequence
Problem Link - https://www.codechef.com/COOK121B/problems/CHEFHALF
Editorial - CHEFHALF - Editorial