Codeforces Round 966 (Div. 3)
Codeforces Round 942 (Div. 1)
Codeforces Round 950 (Div. 3)
Codeforces Round 904 (Div. 2)
Codeforces Round 1020 (Div. 3) 主播开黑实况
Codeforces Round 1022 (Div. 2)
Codeforces Round 952 (Div. 4)
【小羊肖恩】Codeforces Round 1019 (Div. 2) 实录——终于又进前五了吗？开心！一小时通关 A-E，F 真没想到会过啊所以没录！
Codeforces Round 986 (Div. 2)
Codeforces Round #772 (Div. 2), Rank 11
Educational Codeforces Round 170 (Rated for Div. 2)
Educational Codeforces Round 155 (Rated for Div. 2)
Codeforces Round 946 (Div. 3)
Codeforces Round 929 (Div. 3)
Codeforces Round 960 (Div. 2)
Codeforces Round #843 (Div. 2)
Codeforces Round 968 (Div. 2)
Codeforces Round 931 (Div. 2)
Codeforces Round 974 (Div. 3)
Codeforces Round 1017 (Div. 4) 题目讲解 DEFGH (CF2094)
