
After go1.16, go will use module mode by default, even when the repository is checked out under GOPATH or in a one-off directory. Add go.mod, go.sum to keep this repo buildable without opting out of the module mode. > go mod init github.com/mmcgrana/gobyexample > go mod tidy > go mod vendor In module mode, the 'vendor' directory is special and its contents will be actively maintained by the go command. pygments aren't the dependency the go will know about, so it will delete the contents from vendor directory. Move it to `third_party` directory now. And, vendor the blackfriday package. Note: the tutorial contents are not affected by the change in go1.16 because all the examples in this tutorial ask users to run the go command with the explicit list of files to be compiled (e.g. `go run hello-world.go` or `go build command-line-arguments.go`). When the source list is provided, the go command does not have to compute the build list and whether it's running in GOPATH mode or module mode becomes irrelevant.
310 lines
24 KiB
Plaintext
310 lines
24 KiB
Plaintext
0000:0000 2F 2F 20 43 72 65 61 74-65 64 20 62 79 20 4C 69 // Created by Li
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0000:0010 6F 6E 65 6C 6C 6F 20 4C-75 6E 65 73 75 20 61 6E onello Lunesu an
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0000:0020 64 20 70 6C 61 63 65 64-20 69 6E 20 74 68 65 20 d placed in the
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0000:0030 70 75 62 6C 69 63 20 64-6F 6D 61 69 6E 2E 0A 2F public domain.◙/
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0000:0040 2F 20 54 68 69 73 20 66-69 6C 65 20 68 61 73 20 / This file has
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0000:0050 62 65 65 6E 20 6D 6F 64-69 66 69 65 64 20 66 72 been modified fr
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0000:0060 6F 6D 20 69 74 73 20 6F-72 69 67 69 6E 61 6C 20 om its original
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0000:0070 76 65 72 73 69 6F 6E 2E-0A 2F 2F 20 49 74 20 68 version.◙// It h
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0000:0080 61 73 20 62 65 65 6E 20-66 6F 72 6D 61 74 74 65 as been formatte
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0000:0090 64 20 74 6F 20 66 69 74-20 79 6F 75 72 20 73 63 d to fit your sc
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0000:00A0 72 65 65 6E 2E 0A 6D 6F-64 75 6C 65 20 70 68 6F reen.◙module pho
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0000:00B0 6E 65 6E 6F 3B 20 20 20-20 20 2F 2F 20 6F 70 74 neno; // opt
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0000:00C0 69 6F 6E 61 6C 0A 69 6D-70 6F 72 74 20 73 74 64 ional◙import std
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0000:00D0 2E 73 74 64 69 6F 3B 20-20 20 2F 2F 20 77 72 69 .stdio; // wri
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0000:00E0 74 65 66 6C 6E 20 20 20-20 20 0A 69 6D 70 6F 72 tefln ◙impor
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0000:00F0 74 20 73 74 64 2E 63 74-79 70 65 3B 20 20 20 2F t std.ctype; /
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0000:0100 2F 20 69 73 64 69 67 69-74 20 20 20 20 20 0A 69 / isdigit ◙i
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0000:0110 6D 70 6F 72 74 20 73 74-64 2E 73 74 72 65 61 6D mport std.stream
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0000:0120 3B 20 20 2F 2F 20 42 75-66 66 65 72 65 64 46 69 ; // BufferedFi
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0000:0130 6C 65 0A 0A 2F 2F 20 4A-75 73 74 20 66 6F 72 20 le◙◙// Just for
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0000:0140 72 65 61 64 61 62 69 6C-69 74 79 20 28 69 6D 61 readability (ima
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0000:0150 67 69 6E 65 20 63 68 61-72 5B 5D 5B 5D 5B 63 68 gine char[][][ch
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0000:0160 61 72 5B 5D 5D 29 20 20-20 20 0A 61 6C 69 61 73 ar[]]) ◙alias
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0000:0170 20 63 68 61 72 5B 5D 20-73 74 72 69 6E 67 3B 0A char[] string;◙
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0000:0180 61 6C 69 61 73 20 73 74-72 69 6E 67 5B 5D 20 73 alias string[] s
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0000:0190 74 72 69 6E 67 61 72 72-61 79 3B 0A 0A 2F 2F 2F tringarray;◙◙///
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0000:01A0 20 53 74 72 69 70 73 20-6E 6F 6E 2D 64 69 67 69 Strips non-digi
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0000:01B0 74 20 63 68 61 72 61 63-74 65 72 73 20 66 72 6F t characters fro
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0000:01C0 6D 20 74 68 65 20 73 74-72 69 6E 67 20 28 43 4F m the string (CO
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0000:01D0 57 29 0A 73 74 72 69 6E-67 20 73 74 72 69 70 4E W)◙string stripN
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0000:01E0 6F 6E 44 69 67 69 74 28-20 69 6E 20 73 74 72 69 onDigit( in stri
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0000:01F0 6E 67 20 6C 69 6E 65 20-29 20 0A 7B 0A 20 20 20 ng line ) ◙{◙
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0000:0200 20 73 74 72 69 6E 67 20-72 65 74 3B 0A 20 20 20 string ret;◙
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0000:0210 20 66 6F 72 65 61 63 68-28 75 69 6E 74 20 69 2C foreach(uint i,
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0000:0220 20 63 3B 20 6C 69 6E 65-29 20 7B 0A 20 20 20 20 c; line) {◙
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0000:0230 20 20 20 20 2F 2F 20 45-72 72 6F 72 3A 20 73 74 // Error: st
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0000:0240 64 2E 63 74 79 70 65 2E-69 73 64 69 67 69 74 20 d.ctype.isdigit
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0000:0250 61 74 20 43 3A 5C 64 6D-64 5C 73 72 63 5C 70 68 at C:\dmd\src\ph
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0000:0260 6F 62 6F 73 5C 73 74 64-5C 63 74 79 70 65 2E 64 obos\std\ctype.d
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0000:0270 28 33 37 29 20 0A 20 20-20 20 20 20 20 20 2F 2F (37) ◙ //
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0000:0280 20 63 6F 6E 66 6C 69 63-74 73 20 77 69 74 68 20 conflicts with
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0000:0290 73 74 64 2E 73 74 72 65-61 6D 2E 69 73 64 69 67 std.stream.isdig
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0000:02A0 69 74 20 61 74 20 43 3A-5C 64 6D 64 5C 73 72 63 it at C:\dmd\src
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0000:02B0 5C 70 68 6F 62 6F 73 5C-73 74 64 5C 73 74 72 65 \phobos\std\stre
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0000:02C0 61 6D 2E 64 28 32 39 32-34 29 0A 20 20 20 20 20 am.d(2924)◙
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0000:02D0 20 20 20 69 66 20 28 21-73 74 64 2E 63 74 79 70 if (!std.ctyp
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0000:02E0 65 2E 69 73 64 69 67 69-74 28 63 29 29 20 7B 0A e.isdigit(c)) {◙
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0000:02F0 20 20 20 20 20 20 20 20-20 20 20 20 69 66 20 28 if (
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0000:0300 21 72 65 74 29 0A 20 20-20 20 20 20 20 20 20 20 !ret)◙
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0000:0310 20 20 20 20 20 20 72 65-74 20 3D 20 6C 69 6E 65 ret = line
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0000:0320 5B 30 2E 2E 69 5D 3B 20-20 20 20 0A 20 20 20 20 [0..i]; ◙
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0000:0330 20 20 20 20 7D 20 20 20-20 0A 20 20 20 20 20 20 } ◙
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0000:0340 20 20 65 6C 73 65 20 69-66 20 28 72 65 74 29 0A else if (ret)◙
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0000:0350 20 20 20 20 20 20 20 20-20 20 20 20 72 65 74 20 ret
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0000:0360 7E 3D 20 63 3B 20 20 20-20 0A 20 20 20 20 7D 20 ~= c; ◙ }
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0000:0370 20 20 20 0A 20 20 20 20-72 65 74 75 72 6E 20 72 ◙ return r
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0000:0380 65 74 3F 72 65 74 3A 6C-69 6E 65 3B 0A 7D 0A 0A et?ret:line;◙}◙◙
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0000:0390 75 6E 69 74 74 65 73 74-20 7B 0A 20 20 20 20 61 unittest {◙ a
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0000:03A0 73 73 65 72 74 28 20 73-74 72 69 70 4E 6F 6E 44 ssert( stripNonD
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0000:03B0 69 67 69 74 28 22 61 73-64 66 22 29 20 3D 3D 20 igit("asdf") ==
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0000:03C0 22 22 20 20 29 3B 0A 20-20 20 20 61 73 73 65 72 "" );◙ asser
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0000:03D0 74 28 20 73 74 72 69 70-4E 6F 6E 44 69 67 69 74 t( stripNonDigit
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0000:03E0 28 22 5C 27 31 33 2D 3D-32 20 34 6B 6F 70 22 29 ("\'13-=2 4kop")
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0000:03F0 20 3D 3D 20 20 22 31 33-32 34 22 20 20 29 3B 0A == "1324" );◙
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0000:0400 7D 0A 0A 2F 2F 2F 20 43-6F 6E 76 65 72 74 73 20 }◙◙/// Converts
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0000:0410 61 20 77 6F 72 64 20 69-6E 74 6F 20 61 20 6E 75 a word into a nu
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0000:0420 6D 62 65 72 2C 20 69 67-6E 6F 72 69 6E 67 20 61 mber, ignoring a
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0000:0430 6C 6C 20 6E 6F 6E 20 61-6C 70 68 61 20 63 68 61 ll non alpha cha
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0000:0440 72 61 63 74 65 72 73 20-20 0A 73 74 72 69 6E 67 racters ◙string
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0000:0450 20 77 6F 72 64 54 6F 4E-75 6D 28 20 69 6E 20 73 wordToNum( in s
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0000:0460 74 72 69 6E 67 20 77 6F-72 64 20 29 0A 7B 0A 2F tring word )◙{◙/
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0000:0470 2F 20 74 72 61 6E 73 6C-61 74 69 6F 6E 20 74 61 / translation ta
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0000:0480 62 6C 65 20 66 6F 72 20-74 68 65 20 74 61 73 6B ble for the task
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0000:0490 20 61 74 20 68 61 6E 64-0A 63 6F 6E 73 74 20 63 at hand◙const c
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0000:04A0 68 61 72 5B 32 35 36 5D-20 54 52 41 4E 53 4C 41 har[256] TRANSLA
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0000:04B0 54 45 20 3D 20 20 20 20-0A 20 20 20 20 22 20 20 TE = ◙ "
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0000:04C0 20 20 20 20 20 20 20 20-20 20 20 20 20 20 20 20
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0000:04D0 20 20 20 20 20 20 20 20-20 20 20 20 20 20 22 20 "
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0000:04E0 20 2F 2F 20 30 20 20 20-0A 20 20 20 20 22 20 20 // 0 ◙ "
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0000:04F0 20 20 20 20 20 20 20 20-20 20 20 20 20 20 30 31 01
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0000:0500 32 33 34 35 36 37 38 39-20 20 20 20 20 20 22 20 23456789 "
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0000:0510 20 2F 2F 20 33 32 20 20-20 20 20 0A 20 20 20 20 // 32 ◙
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0000:0520 22 20 35 37 36 33 30 34-39 39 36 31 37 38 35 31 " 57630499617851
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0000:0530 38 38 31 32 33 34 37 36-32 32 33 39 20 20 20 20 881234762239
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0000:0540 20 22 20 20 2F 2F 20 36-34 20 20 20 0A 20 20 20 " // 64 ◙
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0000:0550 20 22 20 35 37 36 33 30-34 39 39 36 31 37 38 35 " 5763049961785
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0000:0560 31 38 38 31 32 33 34 37-36 32 32 33 39 20 20 20 1881234762239
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0000:0570 20 20 22 0A 20 20 20 20-22 20 20 20 20 20 20 20 "◙ "
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0000:0580 20 20 20 20 20 20 20 20-20 20 20 20 20 20 20 20
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0000:0590 20 20 20 20 20 20 20 20-20 22 0A 20 20 20 20 22 "◙ "
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0000:05A0 20 20 20 20 20 20 20 20-20 20 20 20 20 20 20 20
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0000:05B0 20 20 20 20 20 20 20 20-20 20 20 20 20 20 20 20
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0000:05C0 22 0A 20 20 20 20 22 20-20 20 20 20 20 20 20 20 "◙ "
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0000:05D0 20 20 20 20 20 20 20 20-20 20 20 20 20 20 20 20
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0000:05E0 20 20 20 20 20 20 20 22-20 20 20 20 0A 20 20 20 " ◙
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0000:05F0 20 22 20 20 20 20 20 20-20 20 20 20 20 20 20 20 "
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0000:0600 20 20 20 20 20 20 20 20-20 20 20 20 20 20 20 20
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0000:0610 20 20 22 3B 0A 20 20 20-20 73 74 72 69 6E 67 20 ";◙ string
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0000:0620 72 65 74 3B 0A 20 20 20-20 66 6F 72 65 61 63 68 ret;◙ foreach
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0000:0630 28 63 3B 20 63 61 73 74-28 75 62 79 74 65 5B 5D (c; cast(ubyte[]
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0000:0640 29 77 6F 72 64 29 0A 20-20 20 20 20 20 20 20 69 )word)◙ i
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0000:0650 66 20 28 54 52 41 4E 53-4C 41 54 45 5B 63 5D 20 f (TRANSLATE[c]
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0000:0660 21 3D 20 27 20 27 29 0A-20 20 20 20 20 20 20 20 != ' ')◙
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0000:0670 20 20 20 20 72 65 74 20-7E 3D 20 54 52 41 4E 53 ret ~= TRANS
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0000:0680 4C 41 54 45 5B 63 5D 3B-0A 20 20 20 20 72 65 74 LATE[c];◙ ret
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0000:0690 75 72 6E 20 72 65 74 3B-0A 7D 0A 0A 75 6E 69 74 urn ret;◙}◙◙unit
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0000:06A0 74 65 73 74 20 7B 0A 20-2F 2F 20 54 65 73 74 20 test {◙ // Test
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0000:06B0 77 6F 72 64 54 6F 4E 75-6D 20 75 73 69 6E 67 20 wordToNum using
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0000:06C0 74 68 65 20 74 61 62 6C-65 20 66 72 6F 6D 20 74 the table from t
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0000:06D0 68 65 20 74 61 73 6B 20-64 65 73 63 72 69 70 74 he task descript
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0000:06E0 69 6F 6E 2E 0A 20 61 73-73 65 72 74 28 20 22 30 ion.◙ assert( "0
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0000:06F0 31 31 31 32 32 32 33 33-33 34 34 35 35 36 36 36 1112223334455666
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0000:0700 37 37 37 38 38 38 39 39-39 22 20 3D 3D 0A 20 20 777888999" ==◙
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0000:0710 20 77 6F 72 64 54 6F 4E-75 6D 28 22 45 20 7C 20 wordToNum("E |
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0000:0720 4A 20 4E 20 51 20 7C 20-52 20 57 20 58 20 7C 20 J N Q | R W X |
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0000:0730 44 20 53 20 59 20 7C 20-46 20 54 20 7C 20 41 20 D S Y | F T | A
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0000:0740 4D 20 7C 20 43 20 49 20-56 20 7C 20 42 20 4B 20 M | C I V | B K
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0000:0750 55 20 7C 20 4C 20 4F 20-50 20 7C 20 47 20 48 20 U | L O P | G H
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0000:0760 5A 22 29 29 3B 0A 20 61-73 73 65 72 74 28 20 22 Z"));◙ assert( "
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0000:0770 30 31 31 31 32 32 32 33-33 33 34 34 35 35 36 36 0111222333445566
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0000:0780 36 37 37 37 38 38 38 39-39 39 22 20 3D 3D 20 0A 6777888999" == ◙
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0000:0790 20 20 20 77 6F 72 64 54-6F 4E 75 6D 28 22 65 20 wordToNum("e
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0000:07A0 7C 20 6A 20 6E 20 71 20-7C 20 72 20 77 20 78 20 | j n q | r w x
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0000:07B0 7C 20 64 20 73 20 79 20-7C 20 66 20 74 20 7C 20 | d s y | f t |
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0000:07C0 61 20 6D 20 7C 20 63 20-69 20 76 20 7C 20 62 20 a m | c i v | b
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0000:07D0 6B 20 75 20 7C 20 6C 20-6F 20 70 20 7C 20 67 20 k u | l o p | g
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0000:07E0 68 20 7A 22 29 29 3B 0A-20 61 73 73 65 72 74 28 h z"));◙ assert(
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0000:07F0 20 22 30 31 32 33 34 35-36 37 38 39 22 20 3D 3D "0123456789" ==
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0000:0800 20 0A 20 20 20 77 6F 72-64 54 6F 4E 75 6D 28 22 ◙ wordToNum("
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0000:0810 30 20 7C 20 20 20 31 20-20 20 7C 20 20 20 32 20 0 | 1 | 2
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0000:0820 20 20 7C 20 20 20 33 20-20 20 7C 20 20 34 20 20 | 3 | 4
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0000:0830 7C 20 20 35 20 20 7C 20-20 20 36 20 20 20 7C 20 | 5 | 6 |
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0000:0840 20 20 37 20 20 20 7C 20-20 20 38 20 20 20 7C 20 7 | 8 |
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0000:0850 20 20 39 22 29 29 3B 0A-7D 0A 0A 76 6F 69 64 20 9"));◙}◙◙void
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0000:0860 6D 61 69 6E 28 20 73 74-72 69 6E 67 5B 5D 20 61 main( string[] a
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0000:0870 72 67 73 20 29 0A 7B 0A-20 20 20 20 2F 2F 20 54 rgs )◙{◙ // T
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0000:0880 68 69 73 20 61 73 73 6F-63 69 61 74 69 76 65 20 his associative
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0000:0890 61 72 72 61 79 20 6D 61-70 73 20 61 20 6E 75 6D array maps a num
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0000:08A0 62 65 72 20 74 6F 20 61-6E 20 61 72 72 61 79 20 ber to an array
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0000:08B0 6F 66 20 77 6F 72 64 73-2E 20 20 20 20 0A 20 20 of words. ◙
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0000:08C0 20 20 73 74 72 69 6E 67-61 72 72 61 79 5B 73 74 stringarray[st
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0000:08D0 72 69 6E 67 5D 20 20 20-20 6E 75 6D 32 77 6F 72 ring] num2wor
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0000:08E0 64 73 3B 0A 0A 20 20 20-20 66 6F 72 65 61 63 68 ds;◙◙ foreach
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0000:08F0 28 73 74 72 69 6E 67 20-77 6F 72 64 3B 20 6E 65 (string word; ne
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0000:0900 77 20 42 75 66 66 65 72-65 64 46 69 6C 65 28 22 w BufferedFile("
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0000:0910 64 69 63 74 69 6F 6E 61-72 79 2E 74 78 74 22 20 dictionary.txt"
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0000:0920 29 20 29 0A 20 20 20 20-20 20 20 20 6E 75 6D 32 ) )◙ num2
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0000:0930 77 6F 72 64 73 5B 20 77-6F 72 64 54 6F 4E 75 6D words[ wordToNum
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0000:0940 28 77 6F 72 64 29 20 5D-20 7E 3D 20 77 6F 72 64 (word) ] ~= word
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0000:0950 2E 64 75 70 3B 20 20 20-20 20 20 20 20 2F 2F 20 .dup; //
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0000:0960 6D 75 73 74 20 64 75 70-0A 0A 20 20 20 20 2F 2F must dup◙◙ //
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0000:0970 2F 20 46 69 6E 64 73 20-61 6C 6C 20 61 6C 74 65 / Finds all alte
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0000:0980 72 6E 61 74 69 76 65 73-20 66 6F 72 20 74 68 65 rnatives for the
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0000:0990 20 67 69 76 65 6E 20 6E-75 6D 62 65 72 0A 20 20 given number◙
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0000:09A0 20 20 2F 2F 2F 20 28 73-68 6F 75 6C 64 20 68 61 /// (should ha
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0000:09B0 76 65 20 62 65 65 6E 20-73 74 72 69 70 70 65 64 ve been stripped
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0000:09C0 20 66 72 6F 6D 20 6E 6F-6E 2D 64 69 67 69 74 20 from non-digit
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0000:09D0 63 68 61 72 61 63 74 65-72 73 29 0A 20 20 20 20 characters)◙
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0000:09E0 73 74 72 69 6E 67 61 72-72 61 79 20 5F 46 69 6E stringarray _Fin
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0000:09F0 64 57 6F 72 64 73 28 20-73 74 72 69 6E 67 20 6E dWords( string n
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0000:0A00 75 6D 62 65 72 73 2C 20-62 6F 6F 6C 20 64 69 67 umbers, bool dig
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0000:0A10 69 74 6F 6B 20 29 0A 20-20 20 20 69 6E 20 7B 0A itok )◙ in {◙
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0000:0A20 20 20 20 20 20 20 20 20-61 73 73 65 72 74 28 6E assert(n
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0000:0A30 75 6D 62 65 72 73 2E 6C-65 6E 67 74 68 20 3E 20 umbers.length >
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0000:0A40 20 30 29 3B 20 20 20 20-0A 20 20 20 20 7D 20 20 0); ◙ }
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0000:0A50 20 20 0A 20 20 20 20 6F-75 74 28 72 65 73 75 6C ◙ out(resul
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0000:0A60 74 29 20 7B 0A 20 20 20-20 20 20 20 20 66 6F 72 t) {◙ for
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0000:0A70 65 61 63 68 20 28 61 3B-20 72 65 73 75 6C 74 29 each (a; result)
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0000:0A80 0A 20 20 20 20 20 20 20-20 20 20 20 20 61 73 73 ◙ ass
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0000:0A90 65 72 74 28 20 77 6F 72-64 54 6F 4E 75 6D 28 61 ert( wordToNum(a
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0000:0AA0 29 20 3D 3D 20 6E 75 6D-62 65 72 73 20 29 3B 0A ) == numbers );◙
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0000:0AB0 20 20 20 20 7D 20 20 20-20 0A 20 20 20 20 62 6F } ◙ bo
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0000:0AC0 64 79 20 7B 0A 20 20 20-20 20 20 20 20 73 74 72 dy {◙ str
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0000:0AD0 69 6E 67 61 72 72 61 79-20 72 65 74 3B 0A 20 20 ingarray ret;◙
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0000:0AE0 20 20 20 20 20 20 62 6F-6F 6C 20 66 6F 75 6E 64 bool found
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0000:0AF0 77 6F 72 64 20 3D 20 66-61 6C 73 65 3B 0A 20 20 word = false;◙
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0000:0B00 20 20 20 20 20 20 66 6F-72 20 28 75 69 6E 74 20 for (uint
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0000:0B10 74 3D 31 3B 20 74 3C 3D-6E 75 6D 62 65 72 73 2E t=1; t<=numbers.
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0000:0B20 6C 65 6E 67 74 68 3B 20-2B 2B 74 29 20 7B 0A 20 length; ++t) {◙
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0000:0B30 20 20 20 20 20 20 20 20-20 20 20 61 75 74 6F 20 auto
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0000:0B40 61 6C 74 65 72 6E 61 74-69 76 65 73 20 3D 20 6E alternatives = n
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0000:0B50 75 6D 62 65 72 73 5B 30-2E 2E 74 5D 20 69 6E 20 umbers[0..t] in
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0000:0B60 6E 75 6D 32 77 6F 72 64-73 3B 0A 20 20 20 20 20 num2words;◙
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0000:0B70 20 20 20 20 20 20 20 69-66 20 28 21 61 6C 74 65 if (!alte
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0000:0B80 72 6E 61 74 69 76 65 73-29 0A 20 20 20 20 20 20 rnatives)◙
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0000:0B90 20 20 20 20 20 20 20 20-20 20 63 6F 6E 74 69 6E contin
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0000:0BA0 75 65 3B 0A 20 20 20 20-20 20 20 20 20 20 20 20 ue;◙
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0000:0BB0 66 6F 75 6E 64 77 6F 72-64 20 3D 20 74 72 75 65 foundword = true
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0000:0BC0 3B 0A 20 20 20 20 20 20-20 20 20 20 20 20 69 66 ;◙ if
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0000:0BD0 20 28 6E 75 6D 62 65 72-73 2E 6C 65 6E 67 74 68 (numbers.length
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0000:0BE0 20 3E 20 20 74 29 20 7B-0A 20 20 20 20 20 20 20 > t) {◙
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0000:0BF0 20 20 20 20 20 20 20 20-20 2F 2F 20 43 6F 6D 62 // Comb
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0000:0C00 69 6E 65 20 61 6C 6C 20-63 75 72 72 65 6E 74 20 ine all current
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0000:0C10 61 6C 74 65 72 6E 61 74-69 76 65 73 20 77 69 74 alternatives wit
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0000:0C20 68 20 61 6C 6C 20 61 6C-74 65 72 6E 61 74 69 76 h all alternativ
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0000:0C30 65 73 20 20 20 20 20 0A-20 20 20 20 20 20 20 20 es ◙
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0000:0C40 20 20 20 20 20 20 20 20-2F 2F 20 6F 66 20 74 68 // of th
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0000:0C50 65 20 72 65 73 74 20 28-6E 65 78 74 20 70 69 65 e rest (next pie
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0000:0C60 63 65 20 63 61 6E 20 73-74 61 72 74 20 77 69 74 ce can start wit
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0000:0C70 68 20 61 20 64 69 67 69-74 29 20 20 20 20 20 20 h a digit)
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0000:0C80 20 20 20 20 20 20 20 20-0A 20 20 20 20 20 20 20 ◙
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0000:0C90 20 20 20 20 20 20 20 20-20 66 6F 72 65 61 63 68 foreach
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0000:0CA0 20 28 61 32 3B 20 5F 46-69 6E 64 57 6F 72 64 73 (a2; _FindWords
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0000:0CB0 28 20 6E 75 6D 62 65 72-73 5B 74 2E 2E 24 5D 2C ( numbers[t..$],
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0000:0CC0 20 74 72 75 65 20 20 20-20 20 29 20 29 0A 20 20 true ) )◙
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0000:0CD0 20 20 20 20 20 20 20 20-20 20 20 20 20 20 20 20
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0000:0CE0 20 20 66 6F 72 65 61 63-68 28 61 31 3B 20 2A 61 foreach(a1; *a
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0000:0CF0 6C 74 65 72 6E 61 74 69-76 65 73 29 0A 20 20 20 lternatives)◙
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0000:0D00 20 20 20 20 20 20 20 20-20 20 20 20 20 20 20 20
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0000:0D10 20 20 20 20 72 65 74 20-7E 3D 20 61 31 20 7E 20 ret ~= a1 ~
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0000:0D20 22 20 22 20 7E 20 61 32-3B 0A 20 20 20 20 20 20 " " ~ a2;◙
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0000:0D30 20 20 20 20 20 20 7D 0A-20 20 20 20 20 20 20 20 }◙
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0000:0D40 20 20 20 20 65 6C 73 65-20 20 20 20 0A 20 20 20 else ◙
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0000:0D50 20 20 20 20 20 20 20 20-20 20 20 20 20 72 65 74 ret
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0000:0D60 20 7E 3D 20 2A 61 6C 74-65 72 6E 61 74 69 76 65 ~= *alternative
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0000:0D70 73 3B 20 20 20 20 2F 2F-20 61 70 70 65 6E 64 20 s; // append
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0000:0D80 74 68 65 73 65 20 61 6C-74 65 72 6E 61 74 69 76 these alternativ
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0000:0D90 65 73 0A 20 20 20 20 20-20 20 20 7D 0A 20 20 20 es◙ }◙
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0000:0DA0 20 20 20 20 20 2F 2F 20-54 72 79 20 74 6F 20 6B // Try to k
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0000:0DB0 65 65 70 20 31 20 64 69-67 69 74 2C 20 6F 6E 6C eep 1 digit, onl
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0000:0DC0 79 20 69 66 20 77 65 27-72 65 20 61 6C 6C 6F 77 y if we're allow
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0000:0DD0 65 64 20 61 6E 64 20 6E-6F 20 6F 74 68 65 72 0A ed and no other◙
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0000:0DE0 20 20 20 20 20 20 20 20-2F 2F 20 61 6C 74 65 72 // alter
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0000:0DF0 6E 61 74 69 76 65 73 20-77 65 72 65 20 66 6F 75 natives were fou
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0000:0E00 6E 64 0A 20 20 20 20 20-20 20 20 2F 2F 20 54 65 nd◙ // Te
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0000:0E10 73 74 69 6E 67 20 22 72-65 74 2E 6C 65 6E 67 74 sting "ret.lengt
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0000:0E20 68 22 20 6D 61 6B 65 73-20 6D 6F 72 65 20 73 65 h" makes more se
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0000:0E30 6E 73 65 20 74 68 61 6E-20 74 65 73 74 69 6E 67 nse than testing
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0000:0E40 20 22 66 6F 75 6E 64 77-6F 72 64 22 2C 0A 20 20 "foundword",◙
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0000:0E50 20 20 20 20 20 20 2F 2F-20 62 75 74 20 74 68 65 // but the
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0000:0E60 20 6F 74 68 65 72 20 69-6D 70 6C 65 6D 65 6E 74 other implement
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0000:0E70 61 74 69 6F 6E 73 20 73-65 65 6D 20 74 6F 20 64 ations seem to d
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0000:0E80 6F 20 6A 75 73 74 20 74-68 69 73 2E 0A 20 20 20 o just this.◙
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0000:0E90 20 20 20 20 20 69 66 20-28 64 69 67 69 74 6F 6B if (digitok
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0000:0EA0 20 26 26 20 21 66 6F 75-6E 64 77 6F 72 64 29 20 && !foundword)
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0000:0EB0 7B 20 2F 2F 72 65 74 2E-6C 65 6E 67 74 68 20 3D { //ret.length =
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0000:0EC0 3D 20 30 20 20 0A 20 20-20 20 20 20 20 20 20 20 = 0 ◙
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0000:0ED0 20 20 69 66 28 6E 75 6D-62 65 72 73 2E 6C 65 6E if(numbers.len
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0000:0EE0 67 74 68 20 3E 20 20 31-29 20 7B 0A 20 20 20 20 gth > 1) {◙
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0000:0EF0 20 20 20 20 20 20 20 20-20 20 20 20 2F 2F 20 43 // C
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0000:0F00 6F 6D 62 69 6E 65 20 31-20 64 69 67 69 74 20 77 ombine 1 digit w
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0000:0F10 69 74 68 20 61 6C 6C 20-61 6C 74 65 6E 61 74 69 ith all altenati
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0000:0F20 76 65 73 20 66 72 6F 6D-20 74 68 65 20 72 65 73 ves from the res
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0000:0F30 74 20 20 20 20 0A 20 20-20 20 20 20 20 20 20 20 t ◙
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0000:0F40 20 20 20 20 20 20 2F 2F-20 28 6E 65 78 74 20 70 // (next p
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0000:0F50 69 65 63 65 20 63 61 6E-20 6E 6F 74 20 73 74 61 iece can not sta
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0000:0F60 72 74 20 77 69 74 68 20-61 20 64 69 67 69 74 29 rt with a digit)
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0000:0F70 20 20 20 20 20 20 20 20-20 20 0A 20 20 20 20 20 ◙
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0000:0F80 20 20 20 20 20 20 20 20-20 20 20 66 6F 72 65 61 forea
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0000:0F90 63 68 20 28 61 3B 20 5F-46 69 6E 64 57 6F 72 64 ch (a; _FindWord
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0000:0FA0 73 28 20 6E 75 6D 62 65-72 73 5B 31 2E 2E 24 5D s( numbers[1..$]
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0000:0FB0 2C 20 66 61 6C 73 65 20-29 20 29 0A 20 20 20 20 , false ) )◙
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0000:0FC0 20 20 20 20 20 20 20 20-20 20 20 20 20 20 20 20
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0000:0FD0 72 65 74 20 7E 3D 20 6E-75 6D 62 65 72 73 5B 30 ret ~= numbers[0
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0000:0FE0 2E 2E 31 5D 20 7E 20 22-20 22 20 7E 20 61 3B 0A ..1] ~ " " ~ a;◙
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0000:0FF0 20 20 20 20 20 20 20 20-20 20 20 20 7D 20 20 20 }
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0000:1000 20 0A 20 20 20 20 20 20-20 20 20 20 20 20 65 6C ◙ el
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0000:1010 73 65 20 20 20 20 0A 20-20 20 20 20 20 20 20 20 se ◙
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0000:1020 20 20 20 20 20 20 20 72-65 74 20 7E 3D 20 6E 75 ret ~= nu
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0000:1030 6D 62 65 72 73 5B 30 2E-2E 31 5D 3B 20 20 20 20 mbers[0..1];
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0000:1040 2F 2F 20 6A 75 73 74 20-61 70 70 65 6E 64 20 74 // just append t
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0000:1050 68 69 73 20 64 69 67 69-74 20 20 20 20 20 20 20 his digit
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0000:1060 20 20 20 20 20 20 0A 20-20 20 20 20 20 20 20 7D ◙ }
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0000:1070 20 20 20 20 0A 20 20 20-20 20 20 20 20 72 65 74 ◙ ret
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0000:1080 75 72 6E 20 72 65 74 3B-0A 20 20 20 20 7D 0A 0A urn ret;◙ }◙◙
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0000:1090 20 20 20 20 2F 2F 2F 20-28 54 68 69 73 20 66 75 /// (This fu
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0000:10A0 6E 63 74 69 6F 6E 20 77-61 73 20 69 6E 6C 69 6E nction was inlin
|
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0000:10B0 65 64 20 69 6E 20 74 68-65 20 6F 72 69 67 69 6E ed in the origin
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0000:10C0 61 6C 20 70 72 6F 67 72-61 6D 29 20 0A 20 20 20 al program) ◙
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0000:10D0 20 2F 2F 2F 20 46 69 6E-64 73 20 61 6C 6C 20 61 /// Finds all a
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0000:10E0 6C 74 65 72 6E 61 74 69-76 65 73 20 66 6F 72 20 lternatives for
|
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0000:10F0 74 68 65 20 67 69 76 65-6E 20 70 68 6F 6E 65 20 the given phone
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0000:1100 6E 75 6D 62 65 72 20 0A-20 20 20 20 2F 2F 2F 20 number ◙ ///
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0000:1110 52 65 74 75 72 6E 73 3A-20 61 72 72 61 79 20 6F Returns: array o
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0000:1120 66 20 73 74 72 69 6E 67-73 20 0A 20 20 20 20 73 f strings ◙ s
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0000:1130 74 72 69 6E 67 61 72 72-61 79 20 46 69 6E 64 57 tringarray FindW
|
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0000:1140 6F 72 64 73 28 20 73 74-72 69 6E 67 20 70 68 6F ords( string pho
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0000:1150 6E 65 5F 6E 75 6D 62 65-72 20 29 0A 20 20 20 20 ne_number )◙
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0000:1160 7B 0A 20 20 20 20 20 20-20 20 69 66 20 28 21 70 {◙ if (!p
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0000:1170 68 6F 6E 65 5F 6E 75 6D-62 65 72 2E 6C 65 6E 67 hone_number.leng
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0000:1180 74 68 29 0A 20 20 20 20-20 20 20 20 20 20 20 20 th)◙
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0000:1190 72 65 74 75 72 6E 20 6E-75 6C 6C 3B 0A 20 20 20 return null;◙
|
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0000:11A0 20 20 20 20 20 2F 2F 20-53 74 72 69 70 20 74 68 // Strip th
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0000:11B0 65 20 6E 6F 6E 2D 64 69-67 69 74 20 63 68 61 72 e non-digit char
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0000:11C0 61 63 74 65 72 73 20 66-72 6F 6D 20 74 68 65 20 acters from the
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0000:11D0 70 68 6F 6E 65 20 6E 75-6D 62 65 72 2C 20 61 6E phone number, an
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0000:11E0 64 0A 20 20 20 20 20 20-20 20 2F 2F 20 70 61 73 d◙ // pas
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0000:11F0 73 20 69 74 20 74 6F 20-74 68 65 20 72 65 63 75 s it to the recu
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0000:1200 72 73 69 76 65 20 66 75-6E 63 74 69 6F 6E 20 28 rsive function (
|
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0000:1210 6C 65 61 64 69 6E 67 20-64 69 67 69 74 20 69 73 leading digit is
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0000:1220 20 61 6C 6C 6F 77 65 64-29 0A 20 20 20 20 20 20 allowed)◙
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0000:1230 20 20 72 65 74 75 72 6E-20 5F 46 69 6E 64 57 6F return _FindWo
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0000:1240 72 64 73 28 20 73 74 72-69 70 4E 6F 6E 44 69 67 rds( stripNonDig
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0000:1250 69 74 28 70 68 6F 6E 65-5F 6E 75 6D 62 65 72 29 it(phone_number)
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0000:1260 2C 20 74 72 75 65 20 29-3B 20 20 20 20 0A 20 20 , true ); ◙
|
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0000:1270 20 20 7D 20 20 20 20 0A-20 20 20 20 0A 20 20 20 } ◙ ◙
|
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0000:1280 20 2F 2F 20 52 65 61 64-20 74 68 65 20 70 68 6F // Read the pho
|
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0000:1290 6E 65 20 6E 75 6D 62 65-72 73 20 20 20 20 20 0A ne numbers ◙
|
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0000:12A0 20 20 20 20 66 6F 72 65-61 63 68 28 73 74 72 69 foreach(stri
|
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0000:12B0 6E 67 20 70 68 6F 6E 65-3B 20 6E 65 77 20 42 75 ng phone; new Bu
|
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0000:12C0 66 66 65 72 65 64 46 69-6C 65 28 22 69 6E 70 75 fferedFile("inpu
|
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0000:12D0 74 2E 74 78 74 22 20 20-20 29 20 29 0A 20 20 20 t.txt" ) )◙
|
|
0000:12E0 20 20 20 20 20 66 6F 72-65 61 63 68 28 61 6C 74 foreach(alt
|
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0000:12F0 65 72 6E 61 74 69 76 65-3B 20 46 69 6E 64 57 6F ernative; FindWo
|
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0000:1300 72 64 73 28 20 70 68 6F-6E 65 20 29 20 29 0A 20 rds( phone ) )◙
|
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0000:1310 20 20 20 20 20 20 20 20-20 20 20 77 72 69 74 65 write
|
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0000:1320 66 6C 6E 28 70 68 6F 6E-65 2C 20 22 3A 20 22 2C fln(phone, ": ",
|
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0000:1330 20 61 6C 74 65 72 6E 61-74 69 76 65 20 29 3B 0A alternative );◙
|
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0000:1340 7D 0A 0A }◙◙
|