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Merge Sorted Array

Merge Sorted Array

 

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.

 1 public class Solution { 2     public void merge(int A[], int m, int B[], int n) { 3         int temp[] = new int[m + n]; 4         int i = 0; 5         int j = 0; 6         int k = 0; 7         while(i < m && j < n && B.length != 0){ 8             if(A[i] < B[j]) 9                 temp[k++] = A[i++];10             else11                 temp[k++] = B[j++];12         }13         while(i < m)14             temp[k++] = A[i++];15         while(j < n)16             temp[k++] = B[j++];17         System.arraycopy(temp, 0, A, 0, temp.length);18         19     }20 }

 

Merge Sorted Array