摘要: Sum square differenceProblem 6The sum of the squares of the first ten natural numbers is,12 + 22 + ... + 102 = 385The square of the sum of the first ten natural numbers is,(1 + 2 + ... + 10)2 = 552 = 3025Hence the difference between the sum of the squares of the first ten natural numbers and the squ 阅读全文
posted @ 2013-05-28 21:54 楼兰故居 阅读(97) 评论(0) 推荐(0)
摘要: 还是畅通工程Time Limit: 4000/2000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 18878Accepted Submission(s): 8388Problem Description某省调查乡村交通状况,得到的统计表中列出了任意两村庄间的距离。省政府“畅通工程”的目标是使全省任何两个村庄间都可以实现公路交通(但不一定有直接的公路相连,只要能间接通过公路可达即可),并要求铺设的公路总长度为最小。请计算最小的公路总长度。Input测试输入包含若干测试用例。每个测试用 阅读全文
posted @ 2013-05-28 17:25 楼兰故居 阅读(120) 评论(0) 推荐(0)