Create 1822-sign-of-the-product-of-an-array.js

Author: everthis

1822-sign-of-the-product-of-an-array.js

@@ -0,0 +1,15 @@
+/**
+ * @param {number[]} nums
+ * @return {number}
+ */
+const arraySign = function(nums) {
+  let pos = 0, neg = 0, zero = 0
+  for(let e of nums) {
+    if(e > 0) pos++
+    else if(e < 0) neg++
+    else zero++
+  }
+  if(zero > 0) return 0
+  if(neg % 2 === 1) return -1
+  else return 1
+};