add 1551

fishercoder1534 · fishercoder1534 · commit 13b97e13872d · 2020-08-16T06:38:17.000-07:00
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                   
 |-----|----------------|---------------|--------|-------------|-------------
+|1551|[Minimum Operations to Make Array Equal](https://leetcode.com/problems/minimum-operations-to-make-array-equal/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1551.java) | |Medium|Math|
 |1550|[Three Consecutive Odds](https://leetcode.com/problems/three-consecutive-odds/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1550.java) | |Easy|Array|
 |1545|[Find Kth Bit in Nth Binary String](https://leetcode.com/problems/find-kth-bit-in-nth-binary-string/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1545.java) | |Medium|String|
 |1544|[Make The String Great](https://leetcode.com/problems/make-the-string-great/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1544.java) | |Easy|String, Stack|
diff --git a/src/main/java/com/fishercoder/solutions/_1551.java b/src/main/java/com/fishercoder/solutions/_1551.java
@@ -0,0 +1,20 @@
+package com.fishercoder.solutions;
+
+public class _1551 {
+    public static class Solution1 {
+        public int minOperations(int n) {
+            int min = 1;
+            int max = 2 * (n - 1) + 1;
+            int finalNumber = (max + min) / 2;
+            int[] arr = new int[n];
+            for (int i = 0; i < n; i++) {
+                arr[i] = 2 * i + 1;
+            }
+            int ops = 0;
+            for (int i = 0; i < n / 2; i++) {
+                ops += finalNumber - arr[i];
+            }
+            return ops;
+        }
+    }
+}
diff --git a/src/test/java/com/fishercoder/_1551Test.java b/src/test/java/com/fishercoder/_1551Test.java
@@ -0,0 +1,22 @@
+package com.fishercoder;
+
+import com.fishercoder.solutions._1551;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import static junit.framework.TestCase.assertEquals;
+
+public class _1551Test {
+    private static _1551.Solution1 solution1;
+
+    @BeforeClass
+    public static void setup() {
+        solution1 = new _1551.Solution1();
+    }
+
+    @Test
+    public void test1() {
+        assertEquals(2, solution1.minOperations(3));
+    }
+
+}
