I.找路（Roads? Where We Are Going, We Don’t Need Roads.）
摘要：题目描述 The National Road Service (NRS) wanted to make some changes to make sure that people are correctly ocially distancing from each other. However, N
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2021-04-10 17:18
Laurance
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E.税收问题（Pesky Publicans）
摘要：题目描述 Tax collectors in the Roman empire, called publicans, are not well perceived, and for good reason. However, they are necessary for the running of
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2021-04-10 15:27
Laurance
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H.蹦床跳跃（Jump Conveyor）
摘要：题目描述 Emma is a creative child who got bored during the quarantine season. She set up n trampolines in a line inside the living room, each aimed in a p
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2021-04-10 15:15
Laurance
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I
摘要：题目描述 Listening to the rock music permutes your nuclear DNA. This astonishing and unbelievable fact was recently published in the Rock Nature Weekly, o
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2021-04-09 14:34
Laurance
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F
摘要：题目描述 Boris is the chief executive officer of Rock Anywhere Transport (RAT) company which specializes in supporting music industry. In particular, they
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2021-04-08 17:27
Laurance
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A
摘要：题目描述 Fernando was hired by the University of Waterloo to finish a development project the university started some time ago. Outside the campus, the un
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2021-04-07 20:55
Laurance
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A
摘要：题目描述 Carryless addition is the same as normal addition, except any carries are ignored (in base 10). Thus, 37 + 48 is 75, not 85. Carryless multiplica
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2021-04-07 17:52
Laurance
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J
摘要：题目描述 You are given a sequence of n integers x = [x1,x2,...,xn] and an integer k . It is guaranteed that 1 ≤ xi ≤ k , and every integer from 1 to k app
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2021-04-07 15:22
Laurance
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D
摘要：题目描述 A set of words is called swap free if there is no way to turn any word in the set into any other word in the set by swapping only a single pair o
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2021-04-07 15:12
Laurance
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