23 lines
560 B
Text
23 lines
560 B
Text
val .isCusip = fn(.s) {
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if .s is not string or len(.s) != 9 {
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return false
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}
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val .basechars = '0'..'9' ~ 'A'..'Z' ~ "*@#"
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val .sum = for[=0] .i of 8 {
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var .v = index(s2s(.s, .i), .basechars)
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if not .v: return false
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.v = .v[1]-1
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if .i div 2: .v *= 2
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_for += .v \ 10 + .v rem 10
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}
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.s[9]-'0' == (10-(.sum rem 10)) rem 10
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}
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val .candidates = fw/037833100 17275R102 38259P508 594918104 68389X106 68389X105/
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for .c in .candidates {
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writeln .c, ": ", if(.isCusip(.c): "good" ; "bad")
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}
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