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Problem 1004
第一组样例的输出??
cxzxxjd
| 2015-11-21 19:57:37
Author
第一组的样例输出不应该是2.50么?? admin能不能给个样例说明???
slongle7
| 2015-11-21 20:02:35
# 1
输入的j是干什么用的....
cxzxxjd
| 2015-11-21 20:05:47
# 2
哪里有j?
cxzxxjd
| 2015-11-21 20:06:47
# 3
@admin
admin
| 2015-11-21 20:07:19
# 4
1/2*3/8*(2^2+0^2)+1/2*5/8*(2^2+0^2)+1/2*3/8*(1^2+1^2)+1/2*5/8*(1^2+1^2)
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