文章目录
示例代码
示例
代码
using System
;
using System
.Collections
.Generic
;
using System
.Linq
;
using System
.Text
;
using System
.Threading
.Tasks
;
namespace _1
{
class Program
{
static void Main(string[] args
)
{
int n
;
n
=int.Parse(Console
.ReadLine());
int i
, j
= 0;
if (n
>=2)
{
Console
.Write("{0}\t",2);
}
for (i
= 3; i
<= n
; i
++)
{
int k
= (int)Math
.Sqrt(i
);
for (j
= 2; j
<= k
; j
++)
{
if ((i
% j
) == 0)
{
break;
}
}
if (j
> k
)
{
Console
.Write("{0}\t",i
);
}
}
}
}
}
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