Jun 6, 2022 · May 16, 2022 · May 16, 2022 · May 16, 2022 · May 16, 2022 · May 16, 2022
diff --git a/problems/1047.删除字符串中的所有相邻重复项.md b/problems/1047.删除字符串中的所有相邻重复项.md
Original file line number	Diff line number	Diff line change
Expand Up		@@ -374,6 +374,27 @@ func removeDuplicates(_ s: String) -> String {
		return String(stack)
		}
		```

	Scala:
	```scala
	object Solution {
	import scala.collection.mutable
	def removeDuplicates(s: String): String = {
	var stack = mutable.Stack[Int]()
	var str = "" // 保存最终结果
	for (i <- s.indices) {
	var tmp = s(i)
	// 如果栈非空并且栈顶元素等于当前字符,那么删掉栈顶和字符串最后一个元素
	if (!stack.isEmpty && tmp == stack.head) {
	str = str.take(str.length - 1)
	stack.pop()
	} else {
	stack.push(tmp)
	str += tmp
	}
	}
	str
	}
	}
	```
		-----------------------
		<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>