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这题的数据应该是有问题的,测试数据的精度好像不够

Posted by HW at 2005-07-31 17:42:33 on Problem 2514
e.g.
1801979803
的答案AC程序给出的是0

我认为正确的应该给出1

这个位数的数字是
114601607的平方的最后那个数字,因为double的精度不够,最后的数差了1,得出13133528326982448
而正确的应该是13133528326982449

另一个数字是2

(2+8 )% 10=0
(2+9)% 10=1

(进位的已经考虑了)

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