[CodeChef] Hackharvard Global Hackathon Starts 2018-11-14 18:30:00 +0000 UTC

[CodeChef] December Challenge 2018 Starts 2018-12-07 09:30:00 +0000 UTC

[Codeforces] Codeforces Round #526 (Div. 1) Starts 2018-12-10 16:35:00 +0000 UTC

[Codeforces] Codeforces Round #526 (Div. 2) Starts 2018-12-10 16:35:00 +0000 UTC

[Codeforces] Codeforces Round #TBA Starts 2018-12-16 14:35:00 +0000 UTC

[Codeforces] Technocup 2019 - Elimination Round 4 Starts 2018-12-23 13:35:00 +0000 UTC

[Codeforces] Codeforces Round #TBA (Div. 1, based on Technocup 2019 Elimination Round 4) Starts 2018-12-23 13:35:00 +0000 UTC

[Codeforces] Codeforces Round #TBA (Div. 2, based on Technocup 2019 Elimination Round 4) Starts 2018-12-23 13:35:00 +0000 UTC