#include <stdio.h>
#include <stdlib.h>
int main(void)
{
    char arr[100][100];
    int i,j,k,m;
    int n;
    printf("제일 긴 줄의 길이 입력: ");
    scanf("%d",&n);
    for(;n>100;)
    {          
         if(n>100)
         {
               printf("100보다 작거나 같은걸로 다시입력:");
               scanf("%d",&n);
         }//if
    }//forn
    for(i=0;i<n;i++)
    {  
        for(j=0;j<n;j++)
        {  
            arr[i][j]=' ';
        }//forj
    }//fori

    if(n%2==1)
    {    for(i=0;i<n;i++)
         {  
             if(i<=n/2)
             {  
                 for(j=0;j<n;j++)
                 {  
                     if(j==n/2-i || j==n/2+i)
                     {  
                         arr[i][j]='*';
                     }//if
                 }//forj
             }//if
             else
             {   
                  for(j=0;j<n;j++)
                  {  
                      if(j==i-n/2 || j==3*n/2-i-1)
                      {   
                           arr[i][j]='*';
                      }//if
                  }//forj
             }//else
         }//fori
    }//if
    else
    {
        for(i=0;i<n;i++)
        {  
            if(i<n/2)
            {  
                for(j=0;j<n;j++)
                {  
                    if(j==n/2-1-i || j==n/2+i)
                    {  
                         arr[i][j]='*';
                    }//if
                }//forj
            }//if
            else
            {   
                 for(j=0;j<n;j++)
                 {  
                     if(j==i-n/2 || j==3*n/2-1-i)
                     {   
                           arr[i][j]='*';
                     }//if
                 }//forj
            }//else
        }//fori                         
    }//else
    for(i=0;i<n;i++)
    {  
        for(j=0;j<n;j++)
        {  
            printf("%c ",arr[i][j]);
        }//forj
        printf("\n");
    }//fori
           
    system("pause");
    return 0;
}