Commit 63919d2

cg10036codeisneverodd

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Update level-4/올바른-괄호의-갯수&12929&.js

Co-authored-by: codeisneverodd <codeisneverodd@gmail.com>

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Original file line number	Diff line number	Diff line change
`@@ -1,10 +1,7 @@`
`1`	`1`	`//https://github.com/codeisneverodd/programmers-coding-test`
`2`	`2`	`//완벽한 정답이 아닙니다.`
`3`	`3`	`//정답 1 - cg10036`
`4`		`-function fact(n) {`
`5`		`- return n ? BigInt(n) * fact(n - 1) : 1n;`
`6`		`-}`
`7`		`-`
`8`	`4`	`function solution(n) {`
	`5`	`+ const fact = n => n ? BigInt(n) * fact(n - 1) : 1n;`
`9`	`6`	`return fact(n * 2) / (fact(n) * fact(n + 1));`
`10`	`7`	`}`

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