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Codeforces
6 题 · 0 已翻译
Codeforces Round 893 (Div. 2)
2023/08/15 22:35
120 分钟
1858
Codeforces
A
Buttons
Buttons
800
仅原文
B
The Walkway
The Walkway
1500
仅原文
C
Yet Another Permutation Problem
Yet Another Permutation Problem
1000
仅原文
D
Trees and Segments
Trees and Segments
2200
仅原文
E1
Rollbacks (Easy Version)
Rollbacks (Easy Version)
2500
仅原文
E2
Rollbacks (Hard Version)
Rollbacks (Hard Version)
2600
仅原文