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Mr Wang wants some boys to help him with a project. Because the project is rather complex, the more boys come, the better it will be. Of course there 阅读全文
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有多组数据,每组一行,每组就是一篇小文章。每篇小文章都是由小写字母和空格组成,没有标点符号,遇到#时表示输入结束。统计一篇文章里不同单词的总数。 you are my friend # 4 这道题其实不难,但是将单词一个一个分出来,在去掉相同的单词,如果用c语言来写就代码比较长,写起来比较麻烦。但如 阅读全文
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题目:We once did a lot of recursional problem . I think some of them is easy for you and some if hard for you.Now there is a very easy problem . I think 阅读全文
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画横线总是一个字符粗,竖线随着总高度每增长6而增加1个字符宽.当总高度从5增加到6时,其竖线宽度从1增长到2.下圈高度不小于上圈高度,但应尽量接近上圈高度,且下圈的内径呈正方形.每画一个"8"应空一行,但最前和最后都无空行. Sample Input 2 A 7 B 8 2 A 7 B 8 Samp 阅读全文
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Ignatius is poor at math,he falls across a puzzle problem,so he has no choice but to appeal to Eddy. this problem describes that:f(x)=5*x^13+13*x^5+k* 阅读全文