29 lines
489 B
JavaScript
29 lines
489 B
JavaScript
function knuth_shuffle(a) {
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var n = a.length,
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r,
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temp;
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while (n > 1) {
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r = Math.floor(n * Math.random());
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n -= 1;
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temp = a[n];
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a[n] = a[r];
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a[r] = temp;
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}
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return a;
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}
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var res, i, key;
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res = {
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'1,2,3': 0, '1,3,2': 0,
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'2,1,3': 0, '2,3,1': 0,
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'3,1,2': 0, '3,2,1': 0
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};
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for (i = 0; i < 100000; i++) {
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res[knuth_shuffle([1,2,3]).join(',')] += 1;
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}
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for (key in res) {
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print(key + "\t" + res[key]);
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}
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