diff --git a/src/main/java/com/cool/ling_cha_mount/sliding_windows/Num1004.java b/src/main/java/com/cool/ling_cha_mount/sliding_windows/Num1004.java
new file mode 100644
index 0000000..4f9a12e
--- /dev/null
+++ b/src/main/java/com/cool/ling_cha_mount/sliding_windows/Num1004.java
@@ -0,0 +1,25 @@
+package com.cool.ling_cha_mount.sliding_windows;
+
+/**
+ * Created with IntelliJ IDEA.
+ *
+ * @Author: Cool
+ * @Date: 2024/10/25/17:40
+ * @Description: 1004. 最大连续1的个数 III
+ * @Score 1656
+ */
+public class Num1004 {
+    public int longestOnes(int[] nums, int k) {
+        int zNum=0;
+        int res=0;
+        int left=0;
+        for(int i=0;i<nums.length;i++){
+            zNum+=(nums[i]^1);
+            while(zNum>k){
+                zNum-=(nums[left++]^1);
+            }
+            res=Math.max(res,i-left+1);
+        }
+        return res;
+    }
+}