Data commit

Task/CUSIP/Nanoquery/cusip.nanoquery

@@ -0,0 +1,38 @@
+def cusip_checksum(cusip)
+    alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    num   = "0123456789"
+    sum   = 0
+
+    for i in range(1, 8)
+        c = cusip[i - 1]
+        v = 0
+        if c in num
+            v = int(c)
+        else if c in alpha
+            p = alpha[c] + 1
+            v = p + 9
+        else if c in "*@#"
+            v = "*@#"[c] + 36
+        end
+        if (i % 2) = 0
+            v *= 2
+        end
+
+        sum += int(v / 10) + (v % 10)
+    end
+
+    return (10 - (sum % 10)) % 10
+end
+
+if main
+    codes = {"037833100", "17275R102", "38259P508",\
+             "594918104", "68389X106", "68389X105"}
+
+    for code in codes
+        if int(code[len(code) - 1]) = cusip_checksum(code)
+            println code + " is valid"
+        else
+            println code + " is invalid"
+        end
+    end
+end