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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 Maximum S 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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A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Each inp 阅读全文
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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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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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Calculate a+b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are less tha 阅读全文
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一、题目 本题要求读入 N 名学生的成绩,将获得某一给定分数的学生人数输出。 输入格式: 输入在第 1 行给出不超过 105 的正整数 N,即学生总人数。随后一行给出 N 名学生的百分制整数成绩,中间以空格分隔。最后一行给出要查询的分数个数 K(不超过 N 的正整数),随后是 K 个分数,中间以空格 阅读全文