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Codeforcesdiv.2B. TheChildandSet

Source: Internet
Author: User
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Atthechildrensday, thechildcametoPicksshouse, andmessedhishouseup. Pickswasangryathim. Alotofimportantthingswerelost, inparticipant ularthefavoritesetofpicks. fortunathouse, Ely:

At the children's day, the child came to Picks's house, and messed his house up. picks was angry at him. A lot of important things were lost, in the particle the favorite set of Picks. fortunately, Picks remembers something about his set S:

At the children's day, the child came to Picks's house, and messed his house up. picks was angry at him. A lot of important things were lost, in the particle the favorite set of Picks.

Fortunately, Picks remembers something about his setS:

  • Its elements were distinct integers from 1Limit;
  • The value of was equalSum; HereLowbit(X) Ipvs2KWhereKIs the position of the first one in the binary representationX. For example,Lowbit(100102 )? =? 102 ,?Lowbit(100012 )? =? 12 ,?Lowbit(100002 )? =? 100002 (binary representation ).

Can you help Picks and find any setS, That satisfies all the above conditions?

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