add 1534

fishercoder1534 · fishercoder1534 · commit 7a587cee7cd0 · 2020-08-02T06:49:41.000-07:00
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                   
 |-----|----------------|---------------|--------|-------------|-------------
+|1534|[Count Good Triplets](https://leetcode.com/problems/count-good-triplets/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1534.java) | |Easy|Array|
 |1528|[Shuffle String](https://leetcode.com/problems/shuffle-string/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1528.java) | |Easy|Sort|
 |1526|[Minimum Number of Increments on Subarrays to Form a Target Array](https://leetcode.com/problems/minimum-number-of-increments-on-subarrays-to-form-a-target-array/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1526.java) | |Hard|Segment Tree|
 |1525|[Number of Good Ways to Split a String](https://leetcode.com/problems/number-of-good-ways-to-split-a-string/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1525.java) | |Medium|String, Bit Manipulation|
diff --git a/src/main/java/com/fishercoder/solutions/_1534.java b/src/main/java/com/fishercoder/solutions/_1534.java
@@ -0,0 +1,19 @@
+package com.fishercoder.solutions;
+
+public class _1534 {
+    public static class Solution1 {
+        public int countGoodTriplets(int[] arr, int a, int b, int c) {
+            int count = 0;
+            for (int i = 0; i < arr.length - 2; i++) {
+                for (int j = i + 1; j < arr.length - 1; j++) {
+                    for (int k = j + 1; k < arr.length; k++) {
+                        if (Math.abs(arr[i] - arr[j]) <= a && Math.abs(arr[j] - arr[k]) <= b && Math.abs(arr[i] - arr[k]) <= c) {
+                            count++;
+                        }
+                    }
+                }
+            }
+            return count;
+        }
+    }
+}
diff --git a/src/test/java/com/fishercoder/_1534Test.java b/src/test/java/com/fishercoder/_1534Test.java
@@ -0,0 +1,24 @@
+package com.fishercoder;
+
+import com.fishercoder.solutions._1534;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import static junit.framework.TestCase.assertEquals;
+
+public class _1534Test {
+    private static _1534.Solution1 solution1;
+    private static int[] arr;
+
+    @BeforeClass
+    public static void setup() {
+        solution1 = new _1534.Solution1();
+    }
+
+    @Test
+    public void test1() {
+        arr = new int[]{3, 0, 1, 1, 9, 7};
+        assertEquals(4, solution1.countGoodTriplets(arr, 7, 2, 3));
+    }
+
+}
