Water Tower
Two Squares
Win Percentages
Codeforces Round 644 (Div. 3) G. A/B Matrix
Codeforces Round 647 (Div. 1) - Thanks, Algo Muse! B. Johnny and Grandmaster
Codeforces Round 648 (Div. 2) E. Maximum Subsequence Value
Codeforces Round 650 (Div. 3) E. Necklace Assembly
Codeforces Round 652 (Div. 2) D. TediousLee
Work Time
Xor Match