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Ramesh writes down the first 2018 positive integers in order 1,2,3,…,2018. Then for each power of 2 that appears, he crosses out that number as well as the number 1 greater than that power of 2. After he is done, how many numbers are not crossed out? |
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Answer» Ramesh writes down the first 2018 positive integers in order 1,2,3,…,2018. Then for each power of 2 that appears, he crosses out that number as well as the number 1 greater than that power of 2. After he is done, how many numbers are not crossed out? |
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