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Re:sample [ Topic ] 2012-07-03 23:30:15 Liuqi_L
I want to know how
3 4
1 1 1 0
1 1 0 1
1 0 1 0

come out 4?
(1,1)->(2,2)->(1,3)->(2,2),有4种方法
为什么
2 2
1 0
0 1
是-1,而不是2呢?
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University of Science and Technology of China
Online Judge for ACM/ICPC
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