Lunchtime Editorial

Problem name - Watermelon
Problem link - https://www.codechef.com/LTIME88B/problems/WATMELON
Problem editorial - https://discuss.codechef.com/problems/WATMELON

Problem name - GCD operations
Problem link - https://www.codechef.com/LTIME88B/problems/GCDOPS
Problem editorial - https://discuss.codechef.com/problems/GCDOPS

Problem name - Root the Tree
Problem link - https://www.codechef.com/LTIME88B/problems/ROOTTREE
Problem editorial - https://discuss.codechef.com/problems/ROOTTREE

Problem name - Robot Detector
Problem link - https://www.codechef.com/LTIME88B/problems/UKROBOT
Problem editorial - https://discuss.codechef.com/problems/UKROBOT

Problem name - Permutation Split
Problem link - https://www.codechef.com/LTIME88B/problems/PERMSPL
Problem editorial - https://discuss.codechef.com/problems/PERMSPL

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also all the editorials in video form by the official editorialist here

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Watermelon | CodeChef September Lunchtime 2020 Division 2

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GCD operations | CodeChef September Lunchtime 2020 Division 2