使用牛客的debug端点调试监视了ls输出都是正确的,不知道为什么无法accept
class Solution:
def merge(self , A, m, B, n):
# write code here
ls = []
if A == []:
return B
if B == []:
return A
i = j = 0
while i < m and j < n:
if A[i] <= B[j]:
ls.append(A[i])
i+=1
else:
ls.append(B[j])
j+=1
ls.extend(A[i:m])
ls.extend(B[j:])
return ls
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