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How do I report a problem with Facebook?Facebook Advertising Help, Tips & Support | Facebook for Business provide facebook help center number ?

Implement a method to check if a n-ary tree is unival

class TreeNode {
int val;
List<TreeNode> children;
TreeNode(int val) {
this.val = val;
children = new ArrayList<>();
}
}

Given the length and width of a rectangle, how many ways can be used to go from the upper left corner to the upper right corner (each step can only go to the right, top right or bottom right):
-follow up 1: If three points in the rectangle must be visited, how many ways
-follow up 2: If you are given an point H, and the path must go down below the H point, how to do it

Using Google BigQuery documentation, provide at least three (3) possible failure modes that could cause following customer problem:

""" I am ingesting data regularly in streaming mode into my mobile-events table, querying the data back however shows timestamps six hours behind. Please help. """
You can use public BigQuery documentation for the client side and make assumptions about the serving side based on your experience with other similar products, provided the serving stack spreads across multiple machines and microservices.

BIG DAT AND MACHINE LEARNING
Hi Cloud Support,
I have records like this in BigQuery:
logs.datetime: ''2017-07-01T13:51:03"
logs.type: "worker"
logs.message: "Starting pipeline"
apps.name: "reader_af45c9"
apps.log_type: "worker"
And I'm trying to run this query:
select logs.datetime, logs.type, logs.message, apps.name
from logs inner join apps on logs.type = apps.log_type
where logs.datetime > "2017-07-01T00:00:00" and logs.datetime < "2017-07-02T00:00:00"
group by apps.name;
But it's not working. Can you help me?

A sample state of ‘a’:
[[2, NULL, 2, NULL],
[2, NULL, 2, NULL],
[NULL, NULL, NULL, NULL],
[NULL, NULL, NULL, NULL]]
FUNCTION foo()
FOR y = 0 to 3
FOR x = 0 to 3
IF a[x+1][y] != NULL
IF a[x+1][y] = a[x][y]:
a[x][y] := a[x][y]*2
a[x+1][y] := NULL
END IF
IF a[x][y] = NULL
a[x][y] := a[x+1][y]
a[x+1][y] := NULL
END IF
END IF
END FOR
END FOR
END FUNCTION

Design a turn-by-turn application. Prioritize v1 features and tell why

The thief has found himself a new place for his thievery again. There is only one entrance to this area, called the "root." Besides the root, each house has one and only one parent house. After a tour, the smart thief realized that "all houses in this place forms an n-nary tree". It will automatically contact the police if two directly-linked houses were broken into on the same night.
Determine the maximum amount of money the thief can rob tonight without alerting the police.
/**
* Definition for a n-ary tree node.
* public class TreeNode {
* int val;
* List<TreeNode> kids;
* }
*/
class Solution {
public int rob(TreeNode root) {

}
}

For two string a, b, their distance is defined as the number of positions at which the corresponding character are different.
Now you can swap characters at any two locations once, and ask how to swap to make the distance the smallest.

preorder Traversing a n-ary tree without using recurrsion

TreeNode<T> {
T val;
List<TreeNode> children;
}

Adobe (phone)
Return the value of the item k away from the end of a linked list

Find a byte array in a byte file.
For e.g.
finding arr = bytearray([3,4,5,3]) in byte file ([24,3,4,5,3,4,5,3,9, 255,...])
output: 1, 4, ...
since arr is found at idx 1, 4, ...

You have a 2 Dimensional Array.
1 2 3
4 5 6
7 8 9
Write code to generate all the 7 character strings without any duplicates starting from 4. You can move one block at a time and you can move either horizontally and diagonally. So for example, valid moves from 4 are 4 -> 1 and 4 -> 7. You can visit any node any number of times. so 4141414 is a valid string.

Given two methods for the person class, one to find a dad and one to find a mother, using these two methods to achieve a method to determine whether the two people are related to blood, assuming a limited number of people.

Self-implemented data structures and methods, output all the heirs. To achieve birth (parent, name), dead (name), getAllSucession (). There is a king, you can use birth plus children, dead dead. The order of inheritance is the same as preorder except that this tree has multiple children.

Given a string as input, return the list of all the patterns possible:

'1' : ['A', 'B', 'C'], 
'2' : ['D', 'E'],
'12' : ['X']
'3' : ['P', 'Q']

Example if input is '123', then output should be [ADP, ADQ, AEP, AEQ, BDP, BDQ, BEP, BEQ, CDP, CDQ, CEP, CEQ, XP, XQ]

Longest increasing subsequence, Number of Island, Basic SQL questions like joins, select statement etc, Code for finding the Name in the document. Like based on the property of name (which cannot be written in small case). Find its frequency.

Design online movie ticket system. Hardware and software capabilities, improvements etc

A number of islands. All the rounds had basic DB questions

Basic DB questions like joins, aggregations, primary keys etc

Number of islands. Big(O).

In the doc file the "Name" without any dictionary. Like finding the property of the name as Starts with the capital letter. Then find the frequency of only names present in the doc. Whiteboard coding

Longest Increasing Subsequence

Online movie ticket booking system design

What is Vashikaran Service? How it helps?
https://lovemarriagevashikaranspecialist.com

Given an Input file of IPv4 addresses, filter and write them into Valid and Invalid IPs.

Input file = ["192.100.0.1, "10.0.0.1", "aa.bb.cc.dd", "10.0", "999.10.10.1"]
Valid = []
Invalid = []

Move[inplace] the non zero elements at the one end(end of array) and return the numbers of non zero elements in output array

Solution : https://www.geeksforgeeks.org/move-zeroes-end-array/

what is UI/Main Thread in android.
when you can use Thread over Service

Is this the right way to login Online QuickBooks? I got this link for QuickBooks Online Login.
https://www.247quickbookshelp.com/QuickBooks-Online-Login

What is the best way to connect QuickBooks Technical Support Number 1844-722-6675?
https://www.247quickbookshelp.com/QuickBooks-Technical-Support