19 lines
319 B
JavaScript
19 lines
319 B
JavaScript
function bitprint(u) {
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var s="";
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for (var n=0; u; ++n, u>>=1)
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if (u&1) s+=n+" ";
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return s;
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}
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function bitcount(u) {
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for (var n=0; u; ++n, u=u&(u-1));
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return n;
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}
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function comb(c,n) {
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var s=[];
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for (var u=0; u<1<<n; u++)
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if (bitcount(u)==c)
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s.push(bitprint(u))
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return s.sort();
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}
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comb(3,5)
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