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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.
Array Two Pointers
class Solution { public: void merge(int A[], int m, int B[], int n) { int k=m+n-1; int i=m-1; int j=n-1; while(i>=0 && j>=0){ if(A[i]<B[j]) A[k--]=B[j--]; else A[k--]=A[i--]; } while(i>=0) A[k--]=A[i--]; while(j>=0) A[k--]=B[j--]; } };
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原文地址：http://www.cnblogs.com/li303491/p/4082574.html
