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题目描述 As a gene engineer of a gene engineering project, Enigma encountered a puzzle about gene recombination. It is well known that a gene can ... 阅读全文
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题目描述 This problem is quiet easy. Initially, there is a string A.Then we do the following process infinity times. A := A + “HUSTACM” + AFor ex... 阅读全文
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给定一系列正整数,请按要求对数字进行分类,并输出以下5个数字:A1 = 能被5整除的数字中所有偶数的和; A2 = 将被5除后余1的数字按给出顺序进行交错求和,即计算n1-n2+n3-n4…; A3 = 被5除后余2的数字的个数; A4 = 被5除后余3的数字的平均数,精确到小数点后... 阅读全文
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Trigonometric FunctionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 125536/65536 K (Java/Others) Total Submission(s): 693 Accepte... 阅读全文
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1600 - Lucky Numbers时间限制:2秒 内存限制:64兆 401 次提交 109 次通过 题目描述 Isun loves digit 4 and 8 very much. He thinks a number is lucky only if the number s... 阅读全文
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1599 - Multiple时间限制:2秒 内存限制:64兆 461 次提交 111 次通过 题目描述 Rocket323 loves math very much. One day, Rocket323 got a number string. He could choose s... 阅读全文
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Problem 2092 收集水晶 Accept: 101 Submit: 439 Time Limit: 5000 mSec Memory Limit : 32768 KBProblem Descriptionshadow来到一片神奇的土地,这片土地上不时会出现一些有价... 阅读全文
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Problem 2087 统计树边 Accept: 197 Submit: 571 Time Limit: 1000 mSec Memory Limit : 32768 KBProblem Description在图论中,树:任意两个顶点间有且只有一条路径的图。生成树:包... 阅读全文
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Shortest PathTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 1146 Accepted Submi... 阅读全文