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Problem U. Broken Keyboard (a.k.a. Beiju Text)
时间限制
1000
ms 内存限制
0
MB
$ Mathjax font initiator $
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Step By Step 7
A - Dropping Balls
B - Trees on the level
C - Tree
D - Not so Mobile
E - The Falling Leaves
F - Quadtrees
G - Oil Deposits
H - Ancient Messages
I - Abbott's Revenge
J - Ordering Tasks
K - Play on Words
L - Undraw the Trees
M - Sculpture
N - Self-Assembly
O - Ideal Path
P - System Dependencies
Q - Paintball
R - Concurrency Simulator
S - Rails
T - Matrix Chain Multiplication
U - Broken Keyboard (a.k.a. Beiju Text)
V - Boxes in a Line
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