All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, for example: "ACGAATTCCG". When studying DNA, it is sometimes useful to identify repeated sequences within the DNA.
Write a function to find all the 10-letter-long sequences (substrings) that occur more than once in a DNA molecule.
For example,
Given s = "AAAAACCCCCAAAAACCCCCCAAAAAGGGTTT", Return: ["AAAAACCCCC", "CCCCCAAAAA"].
{优快云:CODE:635843}

本文介绍了一种算法,用于从DNA分子中找出所有长度为10个字母且出现次数超过一次的重复序列。例如,给定字符串AAAAACCCCCAAAAACCCCCCAAAAAGGGTTT,将返回[AAAAACCCCCCCCCCAAAAA]。
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