08 2021 档案
摘要:B. Sample Game
C. LCS
E. Tree Xor
F. Just a joke
I. Inverse Pair
J. Average
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摘要:B. Black and white
C. Minimum grid
E. Math
F. 24dian
J. Counting Triangles
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摘要:C. Draw Grids
D. Er Ba Game
F. Girlfriend
G. League of Legends
I. Penguins
K. Stack
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摘要:A. Alice and Bob
B. Ball Dropping
D. Determine the Photo Position
F. Find 3-friendly Integers
G. Game of Swapping Numbers
I. Increasing Subsequence
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