full aoc1

.gitignore

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+*.fasl

src/aoc1-2.lisp

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+;; #!/bin/sbcl --script
+
+(import 'ppcre)
+
+(with-open-file (file "aoc1input.txt")
+  (let((num 0) 
+	   (firstMatch nil)(lastMatch nil)
+	   (translation (list "one" "two" "three" "four" "five" "six" "seven" "eight" "nine"))
+	   )
+  (loop for line = (read-line file nil)
+		while line do
+		  (loop for c across line
+				with currentIdx = 0
+				do
+				   (if (parse-integer (format nil "~c" c) :junk-allowed t)
+					    (if firstMatch
+							(setq lastMatch  c)
+							(setq firstMatch c)
+							)
+
+					  (loop for numInList in translation
+							with listIdx = 0
+					   		do
+							   ;;debug
+							   ;;(if (< (+ currentIdx 2) (length line)) (print (subseq line currentIdx (+ currentIdx 3))) )
+							   ;;   
+					   		   (if(and (< (+ currentIdx 2) (length line)) (string= (subseq line currentIdx (+ currentIdx 3)) numInList) )
+					   			   (if firstMatch 
+					   					  (setq lastMatch  (digit-char (+ listIdx 1)))
+					   					  (setq firstMatch  (digit-char (+ listIdx 1)) )
+					   					  ))
+   					   		   (if (and (< (+ currentIdx 3) (length line)) (string= (subseq line currentIdx (+ currentIdx 4)) numInList) )
+					   			   (if firstMatch
+					   					  (setq lastMatch  (digit-char (+ listIdx 1)))
+					   					  (setq firstMatch  (digit-char (+ listIdx 1)))
+					   					  ))
+					   		   (if (and (< (+ currentIdx 4) (length line)) (string= (subseq line currentIdx (+ currentIdx 5)) numInList) )
+					   			   (if firstMatch
+					   					  (setq lastMatch  (digit-char (+ listIdx 1)))
+					   					  (setq firstMatch  (digit-char (+ listIdx 1)))
+										  ))
+							   (incf listIdx)
+					   		)
+					  )
+				   (incf currentIdx)
+				)
+		        (print firstMatch)
+		        (print lastMatch)
+				(if (not lastMatch) (setq lastMatch firstMatch))
+				(setq num (+ num (parse-integer (format nil "~c~c" firstMatch lastMatch))))
+				(print num)
+					  
+				(print "---")
+				(setq firstMatch nil)
+				(setq lastMatch nil)
+				)
+	)
+  
+)
+
+						  
+					  ;; (setq finding (ppcre:all-matches-as-strings "\\d|one|two|three|four|five|six|seven|eight|nine" line :sharedp t ))
+					  ;; (print finding)
+  					  ;; ;(print (length(nth 0 (last finding))) )
+					  ;; (if (> (length(first finding)) 1 )
+					  ;; 	  (loop for numInList in translation
+					  ;; 			for currentIdx upfrom 1
+					  ;; 			when (string= (first finding) numInList)
+					  ;; 			  do ;(print currentIdx)
+					  ;; 				 (setq lineNum (concatenate 'string lineNum (write-to-string currentIdx)) )
+					  ;; 				 (return currentIdx)
+					  ;; 			)
+    				  ;; 		 (setq lineNum (concatenate 'string lineNum (first finding))) )
+		                
+	
+					  ;; (if (> (length(nth 0 (last finding))) 1 )
+					  ;; 	  (loop for numInList in translation
+					  ;; 			for currentIdx upfrom 1
+					  ;; 			when (string= (nth 0 (last finding)) numInList)
+					  ;; 			  do ;(print currentIdx)
+					  ;; 				 (setq lineNum (concatenate 'string lineNum (write-to-string currentIdx)) )
+					  ;; 				 (return currentIdx)
+					  ;; 			)
+    				  ;; 		 (setq lineNum (concatenate 'string lineNum (nth 0 (last finding) )) )
+					  ;; 		 )
+	
+
+;; (defun find-downstep-index (list)
+;;   (if (endp (rest list))
+;;       (length list)
+;;       (loop :for current-element :in list
+;;             :for next-element :in (rest list)
+;;             :for current-index :upfrom 0
+;;             :when (> current-element next-element)
+;;             :do (return-from find-downstep-index current-index)
+;;             :finally (return (+ current-index 2)))))
+						  
+		               ;(setq lineNum (parse-integer (concatenate 'string (first finding) (nth 0 (last finding)) )))
+					   ;(setq num (+ num lineNum))
+					   ;(setq lineNum 0)
+					   ;)
+					   ;(print num)
+
+;; (with-open-file (file "aoc1test.txt")
+;;   (let((num 0) (lineNum 0) (finding nil))
+;;   (loop for line = (read-line file nil)
+;; 		while line do ;(
+;; 					   (setq finding (map 'list #'parse-integer (ppcre:all-matches-as-strings "||d" line )))
+;; 		               (setq lineNum (+ (nth 0 (last finding)) (first finding)))
+;; 					   (setq num (+ num lineNum))
+;; 					   (setq lineNum 0)
+;; 					   ;)
+;; 					   (print num)
+;; 	))
+
+;; ;; format t "~a~%" line))
+;; )
+
+;; (let ((in (open "/some/file/name.txt" :if-does-not-exist nil)))
+;;   (when in
+;;     (close in))
+;; )

src/aoc1-2test.txt

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+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen
+8