Convert Binary Number in a Linked List to Integer 2020-10-24 08:44

Problem Description

public static int getDecimalValue(ListNode head) {
    if (head == null) {
        return 0;
    }
    int res = 0;
    while (head != null) {
        res = res * 2 + head.val;
        head = head.next;
    }
    return res;
}
Runtime Memory
0 ms 36.3 MB

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