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摘要： Zhejiang University has 40000 students and provides 2500 courses. Now given the registered course list of each student, you are supposed to output the 阅读全文

摘要： Zhejiang University has 40000 students and provides 2500 courses. Now given the student name lists of all the courses, you are supposed to output the 阅读全文

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摘要： https://wizardforcel.gitbooks.io/the-art-of-programming-by-july/content/ 阅读全文

摘要： A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number 阅读全文

摘要： #include #include struct bign { int d[21], len; bign() { memset(d, 0, sizeof(d)); len = 0; } }; bign change(char str[]) { bign a; a.len = strlen(str); for (int... 阅读全文

摘要： #include #include struct bign { int d[1010], len; bign() { memset(d, 0, sizeof(d)); len = 0; } }; bign change(char str[]) { bign a; a.len = strlen(str); for (... 阅读全文

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摘要： Among all the factors of a positive integer N, there may exist several consecutive numbers. For example, 630 can be factored as 3*5*6*7, where 5, 6, a 阅读全文

摘要： Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p~1~\^k~1~ * p~2~\^k~2~ *…*p~m~\^k~m 阅读全文