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摘要: Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 2469135 阅读全文
posted @ 2018-06-13 16:25 赖兴宇 阅读(171) 评论(0) 推荐(0)
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 阅读全文
posted @ 2018-06-13 16:05 赖兴宇 阅读(130) 评论(0) 推荐(0)
摘要: Eva would like to make a string of beads with her favorite colors so she went to a small shop to buy some beads. There were many colorful strings of b 阅读全文
posted @ 2018-06-13 15:52 赖兴宇 阅读(169) 评论(0) 推荐(0)
摘要: Some scientists took pictures of thousands of birds in a forest. Assume that all the birds appear in the same picture belong to the same tree. You are 阅读全文
posted @ 2018-06-13 15:41 赖兴宇 阅读(195) 评论(0) 推荐(0)
摘要: Given a syntax tree (binary), you are supposed to output the corresponding infix expression, with parentheses reflecting the precedences of the operat 阅读全文
posted @ 2018-06-13 14:23 赖兴宇 阅读(153) 评论(0) 推荐(0)
摘要: Given N rational numbers in the form "numerator/denominator", you are supposed to calculate their sum. Input Specification: Each input file contains o 阅读全文
posted @ 2018-06-12 22:42 赖兴宇 阅读(218) 评论(0) 推荐(0)
摘要: Given a sequence of positive integers and another positive integer p. The sequence is said to be a "perfect sequence" if M <= m * p where M and m are 阅读全文
posted @ 2018-06-12 22:20 赖兴宇 阅读(168) 评论(0) 推荐(0)
摘要: Formation is very important when taking a group photo. Given the rules of forming K rows with N people as the following: The number of people in each 阅读全文
posted @ 2018-06-12 21:16 赖兴宇 阅读(165) 评论(0) 推荐(0)
摘要: Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+- 阅读全文
posted @ 2018-06-12 20:03 赖兴宇 阅读(158) 评论(0) 推荐(0)
摘要: Mooncake is a Chinese bakery product traditionally eaten during the Mid-Autumn Festival. Many types of fillings and crusts can be found in traditional 阅读全文
posted @ 2018-06-12 19:27 赖兴宇 阅读(142) 评论(0) 推荐(0)
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