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Task/Hamming-numbers/Ring/hamming-numbers.ring

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+see "h(1) = 1" + nl
+for nr = 1 to 19
+     see "h(" + (nr+1) + ") = " + hamming(nr) + nl
+next
+see "h(1691) = " + hamming(1690) + nl
+see nl
+
+func hamming limit
+     h = list(1690)
+     h[1] =1
+     x2 = 2 x3 = 3 x5 =5
+     i  = 0 j  = 0 k  =0
+     for n =1 to limit
+         h[n]  = min(x2, min(x3, x5))
+         if x2 = h[n]  i = i +1  x2 =2 *h[i] ok
+         if x3 = h[n]  j = j +1  x3 =3 *h[j] ok
+         if x5 = h[n]  k = k +1  x5 =5 *h[k] ok
+     next
+     hamming = h[limit]
+     return hamming