title: How to convert an array of integer into a single integer
body: <p>Using pseudo-code, if I have an array of integer, how can I make a single big integer that represents the same array in bits?</p>
  
  <p>Example of input (using bits):</p>
  
  <p>[10101, 10001, 00010, 01100]</p>
  
  <p>The integer should be:
  10101100010001001100
  or
  01100000101000110101</p>