Perfect and easy 0ms Java solution


  • 2
    A
    public class Solution {
    public void merge(int[] nums1, int m, int[] nums2, int n) {
      int i =m-1;
      int j=n-1;
      int k=m+n-1;
      while(i>=0 && j>=0){
          nums1[k--] = (nums1[i]>nums2[j]) ? nums1[i--]:nums2[j--];   //whichever is greater is copied at the end
      }
      while(j>=0){
          nums1[k--] = nums2[j--];   //rest of the second array is copied at last 
      }  
    }}

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