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Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to ou 阅读全文
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人工智能（计算agent基础） Abduction 溯因推理 Abductive diagnosis 溯因诊断 Absolute error 绝对误差 Absorbing state 吸收态 Action constraints 动作约束 Action profile 动作组合 Active lea 阅读全文
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Suppose a bank has K windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. All the c 阅读全文
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Suppose a bank has N windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. The rules 阅读全文
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A reversible prime in any number system is a prime whose "reverse" in that number system is also a prime. For example in the decimal system 73 is a re 阅读全文
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For example, if we have 3 cities and 2 highways connecting city1-city2 and city1-city3. Then if city1 is occupied by the enemy, we must have 1 highway 阅读全文
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To evaluate the performance of our first year CS majored students, we consider their grades of three courses only: C - C Programming Language, M - Mat 阅读全文
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With the 2010 FIFA World Cup running, football fans the world over were becoming increasingly excited as the best players from the best teams doing ba 阅读全文
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Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 110 be true? The answer is "yes", if 6 is a decimal number and 110 is 阅读全文
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This time, you are supposed to find A*B where A and B are two polynomials. Input Specification: Each input file contains one test case. Each case occu 阅读全文