From d4b5abfe9bc2f32f99c92a1d3794b58d78c69141 Mon Sep 17 00:00:00 2001
From: Ezralin <10881430+ezralin@user.noreply.gitee.com>
Date: Tue, 31 May 2022 08:41:53 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A00704.=E4=BA=8C=E5=88=86?=
 =?UTF-8?q?=E6=9F=A5=E6=89=BE.md=20Kotlin=E7=89=88=E6=9C=AC?=
MIME-Version: 1.0
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---
 problems/0704.二分查找.md | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/problems/0704.二分查找.md b/problems/0704.二分查找.md
index 55625130..3dcbd175 100644
--- a/problems/0704.二分查找.md
+++ b/problems/0704.二分查找.md
@@ -611,6 +611,36 @@ public class Solution{
 }
 ```
 
+**Kotlin:**
+```kotlin
+class Solution {
+    fun search(nums: IntArray, target: Int): Int {
+	// leftBorder
+        var left:Int = 0
+	// rightBorder
+        var right:Int = nums.size - 1
+	// 使用左闭右闭区间
+        while (left <= right) {
+            var middle:Int = left + (right - left)/2
+	    // taget 在左边
+            if (nums[middle] > target) {
+                right = middle - 1
+            }
+            else {
+		// target 在右边
+                if (nums[middle] < target) {
+                    left = middle + 1
+                }
+		// 找到了，返回
+                else   return middle
+                }
+            }
+	    // 没找到，返回
+            return -1   
+        }
+}
+```
+
 
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 <div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>