1290 Convert Binary Number in a LinkedList to Integer

Author: mytruong-z

Diff for: getDecimalValue.ts

@@ -0,0 +1,32 @@
+console.log("ffff");
+
+/**
+ * Definition for singly-linked list.
+ **/
+class ListNode {
+    val: number;
+    next: ListNode | null;
+
+    constructor(val: number = 0, next: ListNode | null = null) {
+        this.val = val;
+        this.next = next;
+    }
+}
+
+function getDecimalValue(head: ListNode | null): number {
+    if (head === null) return 0
+    let result=0;
+    
+    while (head) {
+        result = head.val + result * 2;
+        head = head.next
+    }
+    return result
+};
+
+const head = new ListNode(1);
+head.next = new ListNode(0);
+head.next.next = new ListNode(1);
+
+const testing = getDecimalValue(head);
+console.log(testing);