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1.1 root 1: program setret(output);
2:
3: type
4: bigset = set of char;
5:
6: var
7: old :bigset;
8:
9: function bigit(inp : bigset) :bigset;
10: begin
11: bigit := inp - ['a'..'z'];
12: end;
13:
14: begin
15: old := ['g'..'w', 'A'..'S'];
16: writeln('before ', card(old));
17: writeln('after ',card(bigit(old)));
18: end.
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