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Сборники > Image Processing and compression > задача:


50535 - Image Compression

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Задачи сборника

• 50519 - Image Filtering
• 50829 - Decode an Image
• 50518 - Histogram Equalization
• 50535 - Image Compression
• 067. 50512 - Coding redundancy

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Лимит времени 2000/4000/4000/4000 мс. Лимит памяти 65000/65000/65000/65000 Кб.
Question by Ibrahim Mesecan.

Image Compression

You want to write an image compression program with the following algorithm. You count the number of occurrences of a number and write the number of occurrences followed by the number itself. e.g. If you have
  77 77 243
  243 243 243
  57 57 57 77 77
you can compress it to:
  2 77 4 243 3 57 2 77
(There are two consecutive 77s, then there are four 243s, etc.)

Question: Write a program that reads an image and prints the compressed version of it.

Input specification
First, you will be given two integers (n,m) where n and m are between 0 and 2000. Then, in the following n lines, you will be given m integers which are between 0 and 255

Output specification
Show the compressed version.

Sample Input I
4 5
84 84 84 126 126
126 32 32 126 126
32 32 32 126 126
126 126 32 32 32
Sample Output I
3 84 3 126 2 32 2 126 3 32 4 126 3 32



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