Santha Lakshmi Narayana santhalakshminarayana

## Daily_coding_Problem_11.py
'''
For example, given the query string 'de' and
the set of strings [dog, deer, deal],
return [deer, deal].
'''

class TrieNode:
    def __init__(self):
        self.next_chars=[None for i in range(26)]
        self.is_end=False

## Daily_coding_Problem_12.py
'''
For example, if N is 4, then there are 5 unique ways:

1, 1, 1, 1
2, 1, 1
1, 2, 1
1, 1, 2
2, 2

'''

## Daily_coding_Problem_13.py
'''
For example, given s = "abcba" and k = 2, the longest substring with k distinct characters is "bcb".
'''

def long_substr(s,k):
    long_st=0
    has_found=0
    dq=[]
    mapp=dict()
    for i,ch in enumerate(s):

## Daily_coding_Problem_14.py
import numpy as np

def dst_to_origin(x,y):
    return np.sqrt(x*x + y*y)

def monte_carlo_pi():
    '''
    sq_area=(2*r)**2
    cir_area=pi*(r**2)


## Daily_coding_Problem_15.py
import random
def pick_random(l):
    '''
    l(list) : imagine stream is passed as list
              in loop
    '''
    count=1
    x=l[0]
    print(x)
    for i in l[1:]:

## Daily_coding_Problem_16.py
class Record_Last_N:
    def __init__(self,last_n):
        self.ord_list=[]
        self.last_n=last_n

    def record(self,order_id):
        self.ord_list.append(r_id)
        if len(self.ord_list) > self.last_n:
            self.ord_list.pop(0)
    def get_last(self,i):

## Daily_coding_Problem_17.py
'''
Suppose we represent our file system by a string in the following manner:
The string "dir\n\tsubdir1\n\tsubdir2\n\t\tfile.ext" represents:

dir
    subdir1
    subdir2
        file.ext
The directory dir contains an empty sub-directory subdir1 and a sub-directory subdir2 containing a file file.ext.

## Daily_coding_Problem_18.py
'''
For example, given array = [10, 5, 2, 7, 8, 7] and k = 3, we should get: [10, 7, 8, 8], since:
  10 = max(10, 5, 2)
  7 = max(5, 2, 7)
  8 = max(2, 7, 8)
  8 = max(7, 8, 7)
'''
from collections import deque
def largest_subarray(arr,n,k):
    '''

## imagetopdf_base.py
import numpy as np
import matplotlib.pyplot as plt
import cv2
from PIL import Image
from skimage.filters import threshold_local
import os

def plot_img(img,is_gray=True):
	fig=plt.figure(figsize=(10,15))
	ax=fig.add_subplot(111)

## imagetopdf_imports.py
import numpy as np
import matplotlib.pyplot as plt
import cv2
from PIL import Image
from skimage.filters import threshold_local
import os
	'''
	For example, given the query string 'de' and
	the set of strings [dog, deer, deal],
	return [deer, deal].
	'''

	class TrieNode:
	def __init__(self):
	self.next_chars=[None for i in range(26)]
	self.is_end=False
	'''
	For example, if N is 4, then there are 5 unique ways:

	1, 1, 1, 1
	2, 1, 1
	1, 2, 1
	1, 1, 2
	2, 2

	'''
	'''
	For example, given s = "abcba" and k = 2, the longest substring with k distinct characters is "bcb".
	'''

	def long_substr(s,k):
	long_st=0
	has_found=0
	dq=[]
	mapp=dict()
	for i,ch in enumerate(s):
	import numpy as np

	def dst_to_origin(x,y):
	return np.sqrt(xx + yy)

	def monte_carlo_pi():
	'''
	sq_area=(2r)*2
	cir_area=pi(r*2)
	import random
	def pick_random(l):
	'''
	l(list) : imagine stream is passed as list
	in loop
	'''
	count=1
	x=l[0]
	print(x)
	for i in l[1:]:
	class Record_Last_N:
	def __init__(self,last_n):
	self.ord_list=[]
	self.last_n=last_n

	def record(self,order_id):
	self.ord_list.append(r_id)
	if len(self.ord_list) > self.last_n:
	self.ord_list.pop(0)
	def get_last(self,i):
	'''
	Suppose we represent our file system by a string in the following manner:
	The string "dir\n\tsubdir1\n\tsubdir2\n\t\tfile.ext" represents:

	dir
	subdir1
	subdir2
	file.ext
	The directory dir contains an empty sub-directory subdir1 and a sub-directory subdir2 containing a file file.ext.
	'''
	For example, given array = [10, 5, 2, 7, 8, 7] and k = 3, we should get: [10, 7, 8, 8], since:
	10 = max(10, 5, 2)
	7 = max(5, 2, 7)
	8 = max(2, 7, 8)
	8 = max(7, 8, 7)
	'''
	from collections import deque
	def largest_subarray(arr,n,k):
	'''
	import numpy as np
	import matplotlib.pyplot as plt
	import cv2
	from PIL import Image
	from skimage.filters import threshold_local
	import os

	def plot_img(img,is_gray=True):
	fig=plt.figure(figsize=(10,15))
	ax=fig.add_subplot(111)