8 lines
255 B
D
8 lines
255 B
D
import std.stdio, std.algorithm, std.random, std.range;
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void main() {
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foreach (immutable i; 1 .. 9) {
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immutable s = iota(i * 2).map!(_ => "[]"[uniform(0, 2)]).array;
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writeln(s.balancedParens('[', ']') ? " OK: " : "bad: ", s);
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}
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}
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