摘要:
A number whose only prime factors are 2,3,5 or 7 is called a humble number. The sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24 阅读全文
摘要:
JGShining's kingdom consists of 2n(n is no more than 500,000) small cities which are located in two parallel lines. Half of these cities are rich in r 阅读全文
摘要:
Max Sum Plus Plus Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 30478 Accepted Submission(s): 1 阅读全文
摘要:
免费馅饼 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 51189 Accepted Submission(s): 17854 Problem 阅读全文
摘要:
An anagram of a string is any string that can be formed using the same letters as the original. (We consider the original string an anagram of itself 阅读全文