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DescriptionFJ has moved his K (1 15, a row is broken into successive lines of 15 numbers and a potentially shorter line to finish up a row. Each new ... 阅读全文
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DescriptionFarmer John completed his new barn just last week, complete with all the latest milking technology. Unfortunately, due to engineering probl... 阅读全文
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DescriptionBessie noted that although humans have many universities they can attend, cows have none. To remedy this problem, she and her fellow cows f... 阅读全文
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DescriptionGiven n, a positive integer, how many positive integers less than n are relatively prime to n? Two integers a and b are relatively prime if... 阅读全文
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DescriptionLet's play a card game called Gap. You have 28 cards labeled with two-digit numbers. The first digit (from 1 to 4) represents the suit of t... 阅读全文
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DescriptionThe police office in Tadu City decides to say ends to the chaos, as launch actions to root up the TWO gangs in the city, Gang Dragon and Ga... 阅读全文