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Educational Codeforces Round 94 (Rated for Div. 2) - Problem A

Codechef August Challenge 2020 - Division 2

Educational Codeforces Round 93 - Problem A&B

Codeforces Round #664 (Div. 2) Problem A & B

A. Rainbow Dash, Fluttershy and Chess Coloring - Codeforces Round #662 (Div. 2)

A. Remove Smallest (Codeforces Round #661 (Div. 3))

A. Common Prefixes - Codeforces Round #659 (Div. 2)