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There are a group of students. Some of them may know each other, while others don't. For example, A and B know each other, B and C know each other. Bu 阅读全文
posted @ 2018-03-10 22:09
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ZOJ Monthly, March 2018 Happy Sequence Input There are multiple test cases. The first line of the input contains an integer (about 50), indicating the 阅读全文
posted @ 2018-03-10 17:43
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Input Output For each test case output one line containing one integer, indicating the integer which appears in both sequences. Sample Input Sample Ou 阅读全文
posted @ 2018-03-10 17:25
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The bored BaoBao is playing a number game. In the beginning, there are numbers. For each turn, BaoBao will take out two numbers from the remaining num 阅读全文
posted @ 2018-03-10 17:20
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windy定义了一种windy数。不含前导零且相邻两个数字之差至少为2的正整数被称为windy数。 windy想知道，在A和B之间，包括A和B，总共有多少个windy数？ Input 包含两个整数，A B。 Output 一个整数 Sample Input【输入样例一】 1 10 【输入样例二】 2 阅读全文
posted @ 2018-03-10 13:45
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Oleg writes down the history of the days he lived. For each day he decides if it was good or bad. Oleg calls a non-empty sequence of days a zebra, if 阅读全文
posted @ 2018-03-10 12:07
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Hacker Zhorik wants to decipher two secret messages he intercepted yesterday. Yeah message is a sequence of encrypted blocks, each of them consists of 阅读全文
posted @ 2018-03-10 11:27
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