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Problem 1002
求题目解释
yuyanggo
| 2015-11-21 19:31:51
Author
为什么从(1,1)到(n,m)经过的数回事a1到a2n(不是n+m-1个数吗)?
admin
| 2015-11-21 19:33:05
# 1
Sorry
把k打成n了。
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