Create 1029-binary-prefix-divisible-by-5.js

Author: everthis

1029-binary-prefix-divisible-by-5.js

@@ -0,0 +1,14 @@
+/**
+ * @param {number[]} A
+ * @return {boolean[]}
+ */
+const prefixesDivBy5 = function(A) {
+    const res = []
+    let pre = 0
+    const len = A.length
+    for(let i = 0; i < len; i++) {
+      pre = (pre % 100) * 2 + A[i]
+      res.push(pre % 5 === 0 ? true : false)
+    }
+    return res
+};