add 1979

fishercoder1534 · fishercoder1534 · commit deb040bdd5d7 · 2021-08-22T08:35:43.000-07:00
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                  
 |-----|----------------|---------------|--------|-------------|-------------
+|1979|[Find Greatest Common Divisor of Array](https://leetcode.com/problems/find-greatest-common-divisor-of-array/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1979.java) ||Easy||
 |1974|[Minimum Time to Type Word Using Special Typewriter](https://leetcode.com/problems/minimum-time-to-type-word-using-special-typewriter/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1974.java) ||Easy||
 |1968|[Array With Elements Not Equal to Average of Neighbors](https://leetcode.com/problems/array-with-elements-not-equal-to-average-of-neighbors/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1968.java) ||Medium||
 |1967|[Number of Strings That Appear as Substrings in Word](https://leetcode.com/problems/number-of-strings-that-appear-as-substrings-in-word/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1967.java) ||Easy||
diff --git a/src/main/java/com/fishercoder/solutions/_1979.java b/src/main/java/com/fishercoder/solutions/_1979.java
@@ -0,0 +1,16 @@
+package com.fishercoder.solutions;
+
+import java.util.Arrays;
+
+public class _1979 {
+    public static class Solution1 {
+        public int findGCD(int[] nums) {
+            Arrays.sort(nums);
+            return getGcd(nums[0], nums[nums.length - 1]);
+        }
+
+        int getGcd(int a, int b) {
+            return b == 0 ? a : getGcd(b, a % b);
+        }
+    }
+}
