Shubham and GCD
Bob’s Quest
Codeforces Round 266 (Div. 2) B. Wonder Room
Codeforces Round 268 (Div. 1) B. Two Sets
Codeforces Round 271 (Div. 2) C. Captain Marmot
Codeforces Round 271 (Div. 2) E. Pillars
Bayan 2015 Contest Warm Up D. CGCDSSQ
Reunion of 1’s
Population outburst
Supreme Subset