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Questions about using check50 to validate the output of your problem set solutions. When using this tag, please provide the command you used to run check50 and the full output of the program in the body of the question.
1
vote
Check50 problem in resize(pset4)
I think the problem lies with your nested structure.
The way you've structured results in reading and storing each pixel n number of times, when you should only need to read each pixel once, and then …