摘要：
def findRepeatedDnaSequences(s): dix={s[:10]: 1} for i, c in enumerate(s[10:], 10): sub=s[i-9: i+1] if sub in dix:... 阅读全文
摘要：
# Definition for a binary tree node# class TreeNode(object):# def __init__(self, x):# self.val = x# self.left = None# sel... 阅读全文