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Codeforces491 Div2

Posted on 2018-07-29 | In ACM , codeforces

简单题专场


C题:

$floor(x)$ 当 $x$ 大于 $integer$ 的范围时会引发溢出错误$!!!$

能不用浮点数就不要用浮点数,浮点数有误差,如:
$ ll a=1LL(0.1(1000000000000000000-1)) $

输出 $a:100000000000000000$

F题:

神仙题

# codeforces
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