1 files changed, 12 insertions, 0 deletions
diff --git a/others/volume1/112.scm b/others/volume1/112.scm
new file mode 100644
index 0000000..c03bfdc
--- /dev/null
+++ b/others/volume1/112.scm
@@ -0,0 +1,12 @@
+(define (sqr x) (* x x))
+(define (distance n)
+  (let distance-iter ((hi (inexact->exact (truncate (sqrt n)))) (i 2))
+    (cond ((= n 1) 0)
+           ((= i hi) 1)
+           ((= (remainder n i) 0) (begin (set! n (quotient n i))
+                                         (+ (distance-iter hi i) 1)))
+           (else (distance-iter hi (+ i 1))))))
+(let loop ((a (read)) (b (read)))
+  (unless (eof-object? a)
+    (format #t "~a\n" (distance (quotient (* a b) (sqr (gcd a b)))))
+    (loop (read) (read))))