1.cat result.txt |awk '{print length($0)}'凯培数|sort -nr|head -1 2.cat result.txt | awk 'BEGIN{max=0}{if

declare @iSum intdeclare @iCount intselect @iSum = 0select @iCount = 1while @iCount &lt= 100beginselect @iSum = @i

declare @i int,@j int,@r intset @i=100while @i&lt2000beginset @j=1set @r=1while @j&lt@ibeginif @i%@j=0 and @i&am

成员 成员返回值begin返回迭代器头部end返回迭代器尾部rbegin返回反向迭代器头部rend返回反向迭代器尾部cbegin将 const_iterator 返回到头部cend将 const_iterator 返回到尾部crbegin将