摘要: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
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摘要: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
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摘要: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
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摘要:Given a sequence of K integers { N1, N2, ..., NK }. A continuous subsequence is defined to be { Ni, Ni+1, ..., Nj } where 1 <= i <= j <= K. The Maximu
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摘要: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
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摘要: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 elev
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摘要:A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Each input file contain
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摘要: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
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摘要: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
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摘要:This time, you are supposed to find A+B where A and B are two polynomials. Input Each input file contains one test case. Each case occupies 2 lines, a
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摘要:题意:两个数求和,对于和从后往前每3个数输出一个",",直到剩余的数小于4. 解题思路:用字符串模拟整数进行操作。 用到C++ string中的insert函数在指定位置插入一个字符 insert有2个参数:第一个为迭代器的位置 第二个为要在该位置插入的字符。 和分情况讨论: 1. 为0 直接输出0
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