Leetcode 972. Equal Rational Numbers | 张慕晖的博客



Leetcode 972. Equal Rational Numbers | 张慕晖的博客

给定两个普通小数或循环小数的字符表示,问这两个小数是否相等。

分析

比赛的时候我没做出来,准确的说法是没做完(因为期间有其他的事情)。我的思路是这样的:

记小数的三个部分分别为ABC:则这个小数实际上就是A.BCCCCC...。记这个小数为x,在它两侧分别乘上10^B.length10^(B.length + C.length),则会得到


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