题解 | #数组中出现次数超过一半的数字#
缺失数字
http://www.nowcoder.com/practice/9ce534c8132b4e189fd3130519420cde
class Solution:
def solve(self , a):
# write code here
i = 0
while (i<len(a)):
if a[i] != i:
return i
if i==len(a)-1:
return i+1
i+=1