• [Codeforces] Round #4822018.05.17
• [Codeforces] Round #4772018.05.15
• [Codeforces] Round #4762018.05.15
• [Codeforces] Round #475 (Div. 2)2018.04.21
• [Codeforces] Educational Codeforces Round 422018.04.21
• [Codeforces] Round #474 (Div.1 + Div.2)2018.04.08
• [Codeforces] Educational Codeforces Round 382018.02.18
• [Codeforces] Round #462 (Div. 1 + Div. 2)2018.02.16
• [Codeforces] Educational Codeforces Round 372018.02.04
• [Codeforces] Round #460 (Div. 2)2018.02.01
• [Codeforces] Round #459 (Div. 2)2018.01.30
• [Codeforces] Round #458 (DIv. 1 + Div. 2)2018.01.21
• [Codeforces] Round #457 (Div. 2)2018.01.20
• [Codeforces] Educational Codeforces Round 362018.01.15