Jack Ge for ACM

摘要： How many integers can you findTime Limit: 12000/5000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2767Accepted Submission(s): 778 Problem DescriptionNow you get a number N, and a M-integers set, you should find out how many integers which are small than N, that they 阅读全文

摘要： Co-primeTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 626Accepted Submission(s): 234 Problem DescriptionGiven a number N, you are asked to count the number of integers between A and B inclusive which are relatively prime to N. Two integers are s 阅读全文

摘要： Eddy's爱好Time Limit: 3000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 900Accepted Submission(s): 397 Problem DescriptionIgnatius 喜欢收集蝴蝶标本和邮票，但是Eddy的爱好很特别，他对数字比较感兴趣，他曾经一度沉迷于素数，而现在他对于一些新的特殊数比较有兴趣。 这些特殊数是这样的：这些数都能表示成M^K，M和K是正整数且K>1。 正当他再度沉迷的时候，他发现不知道什么时候才能知 阅读全文

摘要： 病毒侵袭持续中Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3920Accepted Submission(s): 1408 Problem Description小t非常感谢大家帮忙解决了他的上一个问题。然而病毒侵袭持续中。在小t的不懈努力下，他发现了网路中的“万恶之源”。这是一个庞大的病毒网站，他有着好多好多的病毒，但是这个网站包含的病毒很奇怪，这些病毒的特征码很短，而且只包含“英文大写字符”。当然小t好想好想为民除害，但是小t从来不打 阅读全文

摘要： 病毒侵袭Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 6515Accepted Submission(s): 1721 Problem Description当太阳的光辉逐渐被月亮遮蔽，世界失去了光明，大地迎来最黑暗的时刻。。。。在这样的时刻，人们却异常兴奋——我们能在有生之年看到500年一遇的世界奇观，那是多么幸福的事儿啊~~ 但网路上总有那么些网站，开始借着民众的好奇心，打着介绍日食的旗号，大肆传播病毒。小t不幸成为受害者之一。小t如此 阅读全文

摘要： Keywords SearchTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 22721Accepted Submission(s): 7553 Problem DescriptionIn the modern time, Search engine came into the life of everybody like Google, Baidu, etc. Wiskey also wants to bring this feature 阅读全文

摘要： What Are You Talking AboutTime Limit : 10000/5000ms (Java/Other)Memory Limit : 102400/204800K (Java/Other)Total Submission(s) : 13Accepted Submission(s) : 8Font:Times New Roman|Verdana|GeorgiaFont Size:←→Problem DescriptionIgnatius is so lucky that he met a Martian yesterday. But he didn't know 阅读全文

摘要： Digital SquareTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 649Accepted Submission(s): 297 Problem DescriptionGiven an integer N,you should come up with the minimumnonnegativeinteger M.M meets the follow condition: M2%10x=N (x=0,1,2,3....)InputT 阅读全文

摘要： The Last Non-zero DigitTime Limit:1000MSMemory Limit:65536KTotal Submissions:4259Accepted:1205DescriptionIn this problem you will be given two decimal integer number N, M. You will have to find the last non-zero digit of theNPM.This means no of permutations of N things taking M at a time.InputThe in 阅读全文

摘要： Legal or NotTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2672Accepted Submission(s): 1191 Problem DescriptionACM-DIY is a large QQ group where many excellent acmers get together. It is so harmonious that just like a big family. Every day,many & 阅读全文