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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
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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
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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
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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
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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
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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
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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
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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
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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
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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