makeapp007

recursion
class Solution:
    def preorderTraversal(self, root: TreeNode) -> List[int]:
        if not root:
            return []

        ret = []
        def dfs(node):
            if not node:
                return

makeapp007

class Solution:
    def insertIntoBST(self, root: TreeNode, val: int) -> TreeNode:
        if not root:
            return TreeNode(val)
        
        if val > root.val:
            # insert into the right subtree
            root.right = self.insertIntoBST(root.right, val)
        else:
            # insert into the left subtree

makeapp007

# Thought process: https://leetcode.com/problems/sum-of-root-to-leaf-binary-numbers/discuss/1683424/Python3-DFS-solution
#
# Definition for a binary tree node.
# class TreeNode:
#     def __init__(self, val=0, left=None, right=None):
#         self.val = val
#         self.left = left
#         self.right = right
class Solution:
    def sumRootToLeaf(self, root: Optional[TreeNode]) -> int:

makeapp007

class Solution:
    def addBinary(self, a: str, b: str) -> str:
        m, n = int(a, 2), int(b, 2)
        
        while n:
            ans = m ^ n
            carry = (m & n) << 1
            m = ans
            n = carry
        return bin(m)[2:]

makeapp007

class Solution:
    def isRobotBounded(self, instructions: str) -> bool:
        directions = {
            'north': (0, 1), 'south': (0, -1), 'east': (1, 0), 'west': (-1, 0)
        }
        direction = 'north'
        row = col = 0
        for i in instructions:
            if i == 'G':
                x, y = directions[direction]

makeapp007

apiVersion: apps/v1beta2
kind: Deployment
metadata:
  name: flaskapp
  labels:
    deployment: flaskapp
spec:
  replicas: 1
  selector:
    matchLabels:

makeapp007

# -*- coding: utf-8 -*-


#from scrapy_redis.spiders import RedisSpider
from invest.items import investLoader
from scrapy.spiders import BaseSpider
from redis import Redis
#to use self.log
from scrapy import log
from time import sleep

makeapp007

# install dependencies
sudo apt-get update
sudo apt-get install -y build-essential
sudo apt-get install -y cmake
sudo apt-get install -y libgtk2.0-dev
sudo apt-get install -y pkg-config
sudo apt-get install -y python-numpy python-dev
sudo apt-get install -y libavcodec-dev libavformat-dev libswscale-dev
sudo apt-get install -y libjpeg-dev libpng-dev libtiff-dev libjasper-dev