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#!/usr/bin/python
# -*- coding: UTF-8 -*-
"""
88. Merge Sorted Array
对于这种需要移位的数组问题，可以尝试由尾到头的角度来解决
"""
class Solution(object):
def merge(self, nums1, m, nums2, n):
"""
:type nums1: List[int]
:type m: int
:type nums2: List[int]
:type n: int
:rtype: void Do not return anything, modify nums1 in-place instead.
"""
while m > 0 and n > 0:
if nums1[m-1] > nums2[n-1]:
nums1[m+n-1] = nums1[m-1]
m -= 1
else:
nums1[m+n-1] = nums2[n-1]
n -= 1
if n > 0:
nums1[:n] = nums2[:n]
print nums1