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Merge Sorted Array <leetcode>
Given two sorted integer arrays A and B, merge B into A as one sorted array.
Note:
You may assume that A has enough space (size that is greater or equal to m + n) to hold additional elements from B. The number of elements initialized in A and B are m andn respectively.
思路:list自带的有归并函数,所以把两个数组分别放入两个list中,然后归并,再把排好序的归并结果放入数组A中;代码如下:
1 class Solution { 2 public: 3 void merge(int A[], int m, int B[], int n) { 4 list<int> la; 5 list<int> lb; 6 for(int i=0;i<m;i++) 7 { 8 la.push_back(A[i]); 9 }10 for(int i=0;i<n;i++)11 {12 la.push_back(B[i]);13 }14 la.sort();15 lb.sort();16 la.merge(lb);17 for(int i=0;i<m+n;i++)18 {19 A[i]=la.front();20 la.pop_front();21 }22 23 }24 };
Merge Sorted Array <leetcode>
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