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Codeforces
6 题 · 0 已翻译
Codeforces Round 681 (Div. 1, based on VK Cup 2019-2020 - Final)
2020/11/02 22:35
120 分钟
1442
Codeforces
A
Extreme Subtraction
Extreme Subtraction
1800
仅原文
B
Identify the Operations
Identify the Operations
1800
仅原文
C
Graph Transpositions
Graph Transpositions
2400
仅原文
D
Sum
Sum
2800
仅原文
E
Black, White and Grey Tree
Black, White and Grey Tree
3000
仅原文
F
Differentiating Games
Differentiating Games
3400
仅原文