Write a program to Sort elements by frequency

Print the elements of an array in the decreasing frequency if 2 numbers have same frequency then print the one which came 1st (Sort in place ) Example = 3 6 2 9 3 2 5 output : 3 2 6 9 5 Method 1 : Using a hashing mechanism, Peyton Manning Tennessee Football Jerseys we can store the elements (also first index) and their counts in a hash. New Balance 373 męskie Finally, sort the hash elements according to their counts Method 2 :

1) Use a sorting algorithm to sort the elements O(nlogn) 2) Scan the sorted array and construct a 2D array of element and count O(n).  <li><a href="http://www.pizzeriasaviello.it/eqt-support-adv.html">EQT SUPPORT ADV</a></li> 3) Sort the 2D array according to count O(nlogn).

Example: Input 2 5 2 8 5 6 8 8 After sorting we get 2 2 5 5 6 8 8 8 Now construct the 2D array as 2,

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