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Ingy döt Net 2013-06-05 21:47:54 +00:00
parent 1f1ad49427
commit 6f050a029e
2496 changed files with 37609 additions and 3031 deletions
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Task/Caesar-cipher/D/caesar-cipher-3.d Normal file
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import std.stdio, std.ascii, std.string, std.algorithm;
string rot(in string s, in int key) pure /*nothrow*/ {
auto uppr = uppercase.dup.representation;
bringToFront(uppr[0 .. key], uppr[key .. $]);
auto lowr = lowercase.dup.representation;
bringToFront(lowr[0 .. key], lowr[key .. $]);
return s.translate(makeTrans(letters, cast(char[])(uppr ~ lowr)));
}
void main() {
enum key = 3;
immutable txt = "The five boxing wizards jump quickly";
writeln("Original: ", txt);
writeln("Encrypted: ", txt.rot(key));
writeln("Decrypted: ", txt.rot(key).rot(26 - key));
}