题解 | #数组中出现次数超过一半的数字#
数组中出现次数超过一半的数字
http://www.nowcoder.com/practice/e8a1b01a2df14cb2b228b30ee6a92163
class Solution:
def MoreThanHalfNum_Solution(self, numbers):
# write code here
cnt = {}
for n in numbers:
cnt[n] = cnt.get(n, 0) + 1
if max(cnt.values())*2 > len(numbers):
return sorted(cnt.items(), key=lambda x:x[1], reverse=True)[0][0]
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