3419: 计算浮点数相除的余

Memory Limit:256 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
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Description

[md] 计算两个双精度浮点数a和b的相除的余数,$a$和$b$都是双精度浮点数。这里余数$(r)$的定义是:$a=k×b+r$,其中$k$是整数,$0<=r

Sample Input Copy

73.263 0.9973

Sample Output Copy

0.4601