题解 | #数组中重复的数字#
数组中重复的数字
https://www.nowcoder.com/practice/6fe361ede7e54db1b84adc81d09d8524
class Solution:
def duplicate(self , numbers: List[int]) -> int:
new_list=[]
if len(numbers)<=1:
return -1
for i in numbers:
if i not in new_list:
new_list.append(i)
else:
return i
def duplicate(self , numbers: List[int]) -> int:
new_list=[]
if len(numbers)<=1:
return -1
for i in numbers:
if i not in new_list:
new_list.append(i)
else:
return i
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