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An Easy Problem/정진경

Describe AnEasyProblem/ here

Source Code 

main(n,a){for(;a=scanf("%d",&n),n;printf("%d\n",n+a))for(;~n&a|n&a*2;a*=2)n^=n&a?n%a+1^a:0;}

// 388K 0MS GCC 92B

main(n,a){for(;a=scanf("%d",&n)+~n&n;printf("%d\n",n+a|(n^n+a)/a/4));}

/// 70B


(define (mod a b)
  (if (< a b)
      a
      (mod(- a b) b)
      )
  )

(define (quot a b)
  (/ (- a (mod a b)) b)
  )

(define (BitCount n)
  (if (< n 1)
      0
      (+ (BitCount (quot n 2)) (mod n 2))
      )
  )

(define (SearchBitN n m)
  (if (= n (BitCount m))
      m
      (SearchBitN n (+ m 1))
      )
  )

(define (AnEasyProblem n)
  (SearchBitN (BitCount n) (+ n 1))
  )

...

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