Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array.
Note:
You may assume that nums1 has enough space (size that is greater or equal to m + n) to hold additional elements from nums2. The number of elements initialized in nums1and nums2 are m and n respectively.
#include <iostream>
#include <vector>
using std::vector;
class Solution
{
public:
void merge(vector<int>& nums1, int m, vector<int>& nums2, int n)
{
int ResultIndex = m + n - 1;
m--;
n--;
while (m >= 0 || n >= 0)
{
if (m < 0)
{
nums1[ResultIndex--] = nums2[n--];
continue;
}
if (n < 0)
{
nums1[ResultIndex--] = nums1[m--];
continue;
}
if (m >= 0 && n >= 0)
{
if (nums1[m] > nums2[n])
{
nums1[ResultIndex--] = nums1[m--];
continue;
}
else
{
nums1[ResultIndex--] = nums2[n--];
continue;
}
}
}
}
};
原文：http://blog.csdn.net/sheng_ai/article/details/45718449