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Straddling checkerboard: Difference between revisions
+ third D entry
(Updated first D entry) |
(+ third D entry) |
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Line 647:
Decoded: ONENIGHTITWASONTHETWENTIETHOFMARCH1888IWASRETURNING</pre>
===Alternative
{{trans|C++}}
Same output:
Line 725:
writeln("Decoded: ", sc.decode(en));
}</lang>
===Dictionary-Based Version===
{{trans|Java}}
<lang d>import std.stdio, std.string, std.algorithm, std.regex, std.array, std.range;
immutable string[const string] val2key, key2val;
static this() pure /*@safe*/ {
val2key = ["A":"30", "B":"31", "C":"32", "D":"33", "E":"5", "F":"34", "G":"35",
"H":"0", "I":"36", "J":"37", "K":"38", "L":"2", "M":"4", ".":"78", "N":"39",
"/":"79", "O":"1", "0":"790", "P":"70", "1":"791", "Q":"71", "2":"792",
"R":"8", "3":"793", "S":"6", "4":"794", "T":"9", "5":"795", "U":"72",
"6":"796", "V":"73", "7":"797", "W":"74", "8":"798", "X":"75", "9":"799",
"Y":"76", "Z":"77"];
key2val = val2key.byValue.zip(val2key.byKey).assocArray;
}
string encode(in string s) pure @safe {
return s.toUpper.split("").map!(c => val2key.get(c, "")).join;
}
string decode(in string s) /*pure*/ @safe {
return s.matchAll("79.|3.|7.|.").map!(g => key2val.get(g[0], "")).join;
}
void main() @safe {
immutable s = "One night-it was on the twentieth of March, 1888-I was returning";
s.encode.writeln;
s.encode.decode.writeln;
}</lang>
{{out}}
<pre>139539363509369743061399059745399365901344308320791798798798367430685972839363935
ONENIGHTITWASONTHETWENTIETHOFMARCH1888IWASRETURNING</pre>
=={{header|Go}}==
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