标签:leetcode
https://oj.leetcode.com/problems/repeated-dna-sequences/
public List<String> findRepeatedDnaSequences(String s) {
// Assumptions...
List<String> toReturn = new ArrayList<>();
Set<String> seen = new HashSet<>();
for (int i = 0 ; i <= s.length() - 10 ; i ++)
{
String sub = s.substring(i, i + 10);
if (seen.contains(sub))
{
toReturn.add(sub);
}
else
{
seen.add(sub);
}
}
return toReturn;
}[LeetCode]187 Repeated DNA Sequences
标签:leetcode
原文地址:http://7371901.blog.51cto.com/7361901/1615197