Q1822 added.

Author: isinsuarici

E_1822_SignoftheProductofanArray.java

@@ -0,0 +1,12 @@
+class Solution {
+    public int arraySign(int[] nums) {
+        int ret=1;
+        for (int num: nums){
+            if(num==0)
+                return 0;
+            if(num<0)
+                ret= -ret;
+        }
+        return ret;
+    }
+}