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As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some ro 阅读全文
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It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/toward that c 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
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The highest building in our city has only one elevator. A request list is made up with N positive numbers.The numbers denote at which floors the eleva 阅读全文
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At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock the door 阅读全文
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Given a non-negative integer N, your task is to compute the sum of all the digits of N, and output every digit of the sum in English. Input Specificat 阅读全文
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C++词汇表 A abort() 特殊函数 如果一个函数抛出异常,但在通往异常函数的调用链中找不到与之匹配的catch,则该程序通常以此函数调用终止 abstract base class 抽象基类 abstract class 抽象类 无实例对象的类,其唯一用途是被继承 abstract data 阅读全文