您的位置:首页 > 其它

88-Merge Sorted Array

2017-06-23 15:50 316 查看
题目

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 nums1 and nums2 are m and n respectively.

分析

从后向前比较

//在当测试用例是
[0],0,[1],1 时,会输出错误的结果········
while(l1>=0&&l2>=0)
nums1[l--] = nums1[l1] > nums2[l2] ? nums1[l1--] : nums2[l2--];


实现

class Solution {
public:
void merge(vector<int>& nums1, int m, vector<int>& nums2, int n) {
int l = m + n-1, l1 = m-1 , l2 = n-1 ;

while (l2 >= 0)
nums1[l--] = l1 >= 0 && nums1[l1] > nums2[l2] ? nums1[l1--] : nums2[l2--];

}
};
内容来自用户分享和网络整理,不保证内容的准确性,如有侵权内容,可联系管理员处理 点击这里给我发消息
标签: