摘要：Problem Description The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at w 阅读全文

摘要：Box of Bricks Problem Description Little Bob likes playing with his box of bricks. He puts the bricks one upon another and builds stacks of different 阅读全文

摘要：素数求和问题 时间限制：3000 ms | 内存限制：65535 KB 难度：2 素数求和问题 时间限制：3000 ms | 内存限制：65535 KB 难度：2 阅读全文

摘要：A hard puzzle Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 36871 Accepted Submission(s): 1315 阅读全文