[LeetCode] 786. K-th Smallest Prime Fraction 第K小的質分數
is the K-th smallest fraction considered? Return your an ...
原文：[LeetCode] K-th Smallest in Lexicographical Order 字典順序的第K小數字
Given integersnandk, find the lexicographically k th smallest integer in the range from ton. Note: k n . Example: 這道題是之前那道Lexicographical Numbers的延伸，之前讓按字典順序打印數組，而這道題讓我們快速定位某一個位置，那么我們就不能像之前那道題一樣，一個一個 ...
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