58 lines
1.1 KiB
Markdown
58 lines
1.1 KiB
Markdown
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---
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title: State name puzzle
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---
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# State name puzzle
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---
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## Solutions
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<details><summary>Solution 1 (Click to Show/Hide)</summary>
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```javascript
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function solve(input) {
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var orig = {};
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input.forEach(function(e) {
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orig[e.replace(/\s/g, "").toLowerCase()] = e;
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})
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input = Object.keys(orig)
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var map = {};
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for (var i = 0; i < input.length - 1; i++) {
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var pair0 = input[i];
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for (var j = i + 1; j < input.length; j++) {
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var pair = [pair0, input[j]];
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var s = pair0 + pair[1];
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var key = s.split("").sort();
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var val = map[key] ? map[key] : [];
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val.push(pair);
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map[key] = val;
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}
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}
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var result = [];
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Object.keys(map).forEach((key) => {
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for (var i = 0; i < map[key].length - 1; i++) {
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var a = map[key][i];
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for (var j = i + 1; j < map[key].length; j++) {
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var b = map[key][j];
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if ((new Set([a[0], b[0], a[1], b[1]])).size < 4)
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continue;
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var from = [orig[a[0]], orig[a[1]]].sort()
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var to = [orig[b[0]], orig[b[1]]].sort()
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result.push({
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from,
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to
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})
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}
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}
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});
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return result;
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}
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```
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</details>
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