Algorithm


Problem Name: Python - Designer Door Mat

Problem Link: https://www.hackerrank.com/challenges/designer-door-mat/problem?isFullScreen=true

In this HackerRank Functions in PYTHON problem solution,

Mr. Vincent works in a door mat manufacturing company. One day, he designed a new door mat with the following specifications:

  • Mat size must be NxM. (N is an odd natural number, and M is 3 times N.)
  • The design should have 'WELCOME' written in the center.
  • The design pattern should only use |, . and - characters.

Sample Designs

 

    Size: 7 x 21 
    ---------.|.---------
    ------.|..|..|.------
    ---.|..|..|..|..|.---
    -------WELCOME-------
    ---.|..|..|..|..|.---
    ------.|..|..|.------
    ---------.|.---------
    
    Size: 11 x 33
    ---------------.|.---------------
    ------------.|..|..|.------------
    ---------.|..|..|..|..|.---------
    ------.|..|..|..|..|..|..|.------
    ---.|..|..|..|..|..|..|..|..|.---
    -------------WELCOME-------------
    ---.|..|..|..|..|..|..|..|..|.---
    ------.|..|..|..|..|..|..|.------
    ---------.|..|..|..|..|.---------
    ------------.|..|..|.------------
    ---------------.|.---------------

 

Input Format

A single line containing the space separated values of N and M.

Constraints

  • 5 <= N <= 101
  • 15 <= M <= 303

Output Format

Output the design pattern.

Sample Input

9 27

Sample Output

------------.|.------------
---------.|..|..|.---------
------.|..|..|..|..|.------
---.|..|..|..|..|..|..|.---
----------WELCOME----------
---.|..|..|..|..|..|..|.---
------.|..|..|..|..|.------
---------.|..|..|.---------
------------.|.------------

 

 

Code Examples

#1 Code Example with Python Programming

Code - Python Programming


N, M = map(int, input().split())

carac = ".|."
fill = "-"
middle = N//2
fac = 1

for x in range(N):
    if x < middle:
        print((carac*fac).center(M, fill))
        fac += 2
    elif x > middle:
        fac -= 2
        print((carac*fac).center(M, fill))
    else:
        print("WELCOME".center(M, fill))
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Demonstration


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