Introductory problem used to familiarise with the judge's I/O format. Given a list of numbers, count the even numbers and compute their sum. Sort a stack of pancakes using only flip operations ...
expect(v.valid_value?('the_file.bat')).to eq(false) expect(validator.valid_value?('ok')).to eq(true) expect(validator.valid_value?('yep long enough')).to eq(true ...
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