├── README.md
└── problem-cutter.py


/README.md:
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 1 | # codeforces-problems-to-pdf
 2 | ## Requirements
 3 | - pdfkit
 4 | - PyPDF2
 5 | ## Install Requirements 
 6 | ```shell
 7 | pip3 install pdfkit PyPDF2
 8 | sudo apt-get install wkhtmltopdf
 9 | ```
10 | ## How to use
11 | First parameter: *problem link* <br>
12 | Second parameter: *pdf name*  **(don't miss the ".pdf")** <br>
13 | Example: <br>
14 | ```shell
15 |  python3  problem-cutter.py  https://codeforces.com/contest/96/problem/a  1.pdf
16 | ```
17 | ## ScreenShots
18 |    <img src="https://i.imgur.com/lnY8T5Z.png" alt="Before"> 
19 |    <img src="https://i.imgur.com/ZEoZLJZ.png" alt="After"> 
20 | 
21 | 


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/problem-cutter.py:
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 1 | #!/usr/bin/python3
 2 | import pdfkit
 3 | import PyPDF2
 4 | import sys
 5 | 
 6 | def cut_problem_pdf(pdf_name, out_name):
 7 |     with open(pdf_name, "rb") as in_f:
 8 |         input1 = PyPDF2.PdfFileReader(in_f)
 9 |         output = PyPDF2.PdfFileWriter()
10 | 
11 |         num_pages = input1.getNumPages()
12 | 
13 |         for i in range(num_pages):
14 |             page = input1.getPage(i)
15 |             page.cropBox.lowerLeft = (10, 0)
16 |             if i == 0:  # if it's the first page cut the navigation bar
17 |                 page.cropBox.upperRight = (403, 690)
18 |             else:
19 |                 page.cropBox.upperRight = (403, page.mediaBox.getUpperRight_y())
20 |             output.addPage(page)
21 | 
22 |         with open(out_name, "wb") as out_f:
23 |             output.write(out_f)
24 | 
25 | 
26 | def download_problem_pdf(url, name):
27 |     options = {
28 |         'margin-top': '3px',
29 |         'margin-right': '8px',
30 |         'margin-left': '8px',
31 |         'margin-bottom': '3px',
32 |     }
33 |     pdfkit.from_url(url, name, options=options)
34 | 
35 | 
36 | if __name__ == "__main__":
37 |     if len(sys.argv) < 3:
38 |         print("Please provide the problem link and the pdf name")
39 |         exit(1)
40 |     link = sys.argv[1]
41 |     out_name = sys.argv[2]
42 |     pdf_name = "original_problem.pdf"
43 |     download_problem_pdf(link, pdf_name)
44 |     cut_problem_pdf(pdf_name, out_name)
45 | 


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