Modify the Array Practice GFG POTD (24 OCTOBER 2024)

⭐ IN THE GIVEN PROBLEM , WE NEED TO PERFORM THE FOLLOWING:
⭐FIRST WE NEED TO CHECK IF THE CURRENT VALUE IS EQUAL TO NEXT ELEMENT OR NOT. IF EQUAL , DOUBLE THE CURRENT NUMBER, AND MAKE NEXT NUMEBR AS 0.
⭐AFTER PERFORMING ABOVE WE GET A ARRAY , WE NEED TO MODIFIED , IN SUCH A WAY , ALL THE VALUES APPEARS FIRST EXCEPT ZERO , BY SWAPPING THE NUMBER.
⭐TIME COMPLEXITY: O(n)
⭐SPACE COMPLEXITY: O(1)