Shuffle Array

Problem Statement: http://www.ardendertat.com/2011/10/10/programming-interview-questions-6-combine-two-strings/

abc
def

dabecf

aab
acc

accaab


}
}

abc
def

dabecf


          abc, def, dabecf / \ X abc, ef, abecf / \ bc, ef, becf X / \ c, ef, ecf X / \ X c, f, cf / \ _, f, f X / \ X _, _, _