ICPC2005 ProblemA

Ohgas' Fortune
もちろんLis(ry

(defun fukuri (money year nenri tesuuryou)
  (if (zerop year)
      money
      (fukuri (- (+ money (floor (* money nenri))) tesuuryou) (1- year) nenri tesuuryou)))

(defun tanri (money year nenri tesuuryou)
  (labels
      ((%tanri (money year nenri tesuuryou risi)
	 (if (zerop year)
	     (+ money risi)
	     (%tanri (- money tesuuryou)
		      (1- year)
		      nenri
		      tesuuryou
		      (+ risi (floor (* money nenri)))))))
    (%tanri money year nenri tesuuryou 0)))

(defun main ()
  (let ((m (read)))
    (loop
       for i from 1 upto m
       for money = (read) then (read)
       for year = (read) then (read)
       for pattern = (read) then (read)
       do
	 (format t "~A~%" (loop for j from 1 upto pattern
			     maximize
			       (if (zerop (read))
				   (tanri money year (read) (read))
				   (fukuri money year (read) (read))))))))

loopマクロ便利すぎわろりーぬ