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Problem J. Journey from Petersburg to Moscow
时间限制
3000
ms 内存限制
512
MB
Input/Output: standard input/output
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组队训练赛No.3
A - Archery Tournament
B - Box
C - Connections
D - Designing the Toy
E - Easy Quest
F - The Final Level
G - The Great Wall
H - Hack
I - Interactive Sort
J - Journey from Petersburg to Moscow
K - Knapsack Cryptosystem
L - Laminar Family
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