title: Move all zero values in a big array to its front portion in a Time Efficiency way
body: <p>You're given a big array with Integral type value, How do you move all zero values within it to the front portion of the array in a Time Efficiency way?</p>
  
  <p>e.g. 0,1,72,3,0,5,9,0,6,51,0,3  ---> 0,0,0,0,1,72,3,5,9,6,51,3</p>
  
  <p>Regards!</p>