2021.01.28 Codeforces Round 698 (Div. 1) pro:6/6 DONE
2020.12.06 Codeforces Global Round 12 pro:10/10 DONE
2020.09.30 Grakn Forces 2020 pro:9/9 DONE
2020.08.16 Codeforces Global Round 10 pro:9/9 DONE
2020.07.21 Codeforces Round 658 (Div. 1) pro:6/6
2020.05.12 Codeforces Round 641 (Div. 1) pro:4/7
2020.05.06 Codeforces Round 639 (Div. 1) pro:6/6 DONE
2020.04.15 Codeforces Round 635 (Div. 1) pro:6/7
2017.09.04 Codeforces Round 432 (Div. 1) pro:5/6