摘要： /*Sum of divisorsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1996 Accepted Submission(s): 679Problem Descriptionmmm is learning division, she's so proud of herself that she can figure out the sum of all the divisors of numbers no larger .. 阅读全文

摘要： /*Fence RepairTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 19914 Accepted: 6314DescriptionFarmer John wants to repair a small length of the fence around the pasture. He measures the fence and finds that he needs N (1 ≤ N ≤ 20,000) planks of wood, each having some integer l... 阅读全文