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添加 0452.用最少数量的箭引爆气球.md Scala版本

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`@@ -288,5 +288,30 @@ impl Solution {`
`288`	`288`	`}`
`289`	`289`	`}`
`290`	`290`	```
	`291`	`+`
	`292`	`+### Scala`
	`293`	`+`
	`294`	+```scala
	`295`	`+object Solution {`
	`296`	`+ def findMinArrowShots(points: Array[Array[Int]]): Int = {`
	`297`	`+ if (points.length == 0) return 0`
	`298`	`+ // 排序`
	`299`	`+ var point = points.sortWith((a, b) => {`
	`300`	`+ a(0) < b(0)`
	`301`	`+ })`
	`302`	`+`
	`303`	`+ var result = 1 // points不为空就至少需要一只箭`
	`304`	`+ for (i <- 1 until point.length) {`
	`305`	`+ if (point(i)(0) > point(i - 1)(1)) {`
	`306`	`+ result += 1`
	`307`	`+ } else {`
	`308`	`+ point(i)(1) = math.min(point(i - 1)(1), point(i)(1))`
	`309`	`+ }`
	`310`	`+ }`
	`311`	`+ result // 返回结果`
	`312`	`+ }`
	`313`	`+}`
	`314`	+```
	`315`	`+`
`291`	`316`	`-----------------------`
`292`	`317`	`<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>`

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