add 2006

fishercoder1534 · fishercoder1534 · commit 2467f627aad1 · 2021-09-18T18:58:26.000-07:00
diff --git a/README.md b/README.md
@@ -8,6 +8,7 @@ _If you like this project, please leave me a star._ &#9733;
 
 |  #  |      Title     |   Solutions   | Video  | Difficulty  | Tag                  
 |-----|----------------|---------------|--------|-------------|-------------
+|2006|[Count Number of Pairs With Absolute Difference K](https://leetcode.com/problems/count-number-of-pairs-with-absolute-difference-k/)|[Python3](../master/python3/2001.py), [Java](../master/src/main/java/com/fishercoder/solutions/_2006.java) ||Easy||
 |2001|[Number of Pairs of Interchangeable Rectangles](https://leetcode.com/problems/number-of-pairs-of-interchangeable-rectangles/)|[Python3](../master/python3/2001.py), [Java](../master/src/main/java/com/fishercoder/solutions/_2001.java) ||Medium||
 |2000|[Reverse Prefix of Word](https://leetcode.com/problems/reverse-prefix-of-word/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_2000.java) ||Easy||
 |1996|[The Number of Weak Characters in the Game](https://leetcode.com/problems/the-number-of-weak-characters-in-the-game/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1996.java) ||Medium||
diff --git a/src/main/java/com/fishercoder/solutions/_2006.java b/src/main/java/com/fishercoder/solutions/_2006.java
@@ -0,0 +1,17 @@
+package com.fishercoder.solutions;
+
+public class _2006 {
+    public static class Solution1 {
+        public int countKDifference(int[] nums, int k) {
+            int pairs = 0;
+            for (int i = 0; i < nums.length - 1; i++) {
+                for (int j = i + 1; j < nums.length; j++) {
+                    if (Math.abs(nums[i] - nums[j]) == k) {
+                        pairs++;
+                    }
+                }
+            }
+            return pairs;
+        }
+    }
+}
