[HackerEarth] Sherlock Holmes is your good friend. You are a very good programmer but you also know that Sherlock Holmes has better observing powers. So there is a problem which you two have to solve. - 题解

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题目信息
题号 P19549
标题 [HackerEarth] Sherlock Holmes is your good friend. You are a very good programmer but you also know that Sherlock Holmes has better observing powers. So there is a problem which you two have to solve.
难度 普及
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