Press the green flag to watch the cat solve the following problem number 19 on this year's middle school purple comet: Let n be a positive integer such that the floor of the square root of n minus two divides n minus 4 and the floor of the square root of n plus two divides n plus 4. Find the greatest n le
This was a problem not on homework but one that I failed to solve on the contest. If you read it you'll see why it was so hard!