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feat: 53. 寻宝新增kruskal js解法

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problems/kamacoder
- 0053.寻宝-Kruskal.md

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`‎problems/kamacoder/0053.寻宝-Kruskal.md`

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`@@ -549,6 +549,62 @@ if __name__ == "__main__":`
`549`	`549`
`550`	`550`	`### Javascript`
`551`	`551`
	`552`	+```js
	`553`	`+function kruskal(v, edges) {`
	`554`	`+ const father = Array.from({ length: v + 1 }, (_, i) => i)`
	`555`	`+`
	`556`	`+ function find(u){`
	`557`	`+ if (u === father[u]) {`
	`558`	`+ return u`
	`559`	`+ } else {`
	`560`	`+ father[u] = find(father[u])`
	`561`	`+ return father[u]`
	`562`	`+ }`
	`563`	`+`
	`564`	`+ }`
	`565`	`+`
	`566`	`+ function isSame(u, v) {`
	`567`	`+ let s = find(u)`
	`568`	`+ let t = find(v)`
	`569`	`+ return s === t`
	`570`	`+ }`
	`571`	`+`
	`572`	`+ function join(u, v) {`
	`573`	`+ let s = find(u)`
	`574`	`+ let t = find(v)`
	`575`	`+ if (s !== t) {`
	`576`	`+ father[s] = t`
	`577`	`+ }`
	`578`	`+ }`
	`579`	`+`
	`580`	`+ edges.sort((a, b) => a[2] - b[2])`
	`581`	`+ let result = 0`
	`582`	`+ for (const [v1, v2, w] of edges) {`
	`583`	`+ if (!isSame(v1, v2)) {`
	`584`	`+ result += w`
	`585`	`+ join(v1 ,v2)`
	`586`	`+ }`
	`587`	`+ }`
	`588`	`+ console.log(result)`
	`589`	`+}`
	`590`	`+`
	`591`	`+`
	`592`	`+async function main() {`
	`593`	`+ const rl = require('readline').createInterface({ input: process.stdin })`
	`594`	`+ const iter = rl[Symbol.asyncIterator]()`
	`595`	`+ const readline = async () => (await iter.next()).value`
	`596`	`+ const [v, e] = (await readline()).split(" ").map(Number)`
	`597`	`+ const edges = []`
	`598`	`+ for (let i = 0 ; i < e ; i++) {`
	`599`	`+ edges.push((await readline()).split(" ").map(Number))`
	`600`	`+ }`
	`601`	`+ kruskal(v, edges)`
	`602`	`+}`
	`603`	`+`
	`604`	`+`
	`605`	`+main()`
	`606`	+```
	`607`	`+`
`552`	`608`	`### TypeScript`
`553`	`609`
`554`	`610`	`### PhP`

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