程序代码：

//按照一定的规则插入一个数字



#include < stdio.h >
#include < stdlib.h >
int main ( )
{
    int i, j, t, a[11] = { 1, 2, 3, 5, 6, 7, 8, 9, 10,11 };
    scanf ( "%d", &t );
    if ( t > a[9] )
        a[10] = t;
    else
    {
        for ( i =0; i <10; i++ )
        if ( a[i] > t )
            for ( j=9; i <= j; j-- )
            {
                a[j+1] = a[j];
                a[i] = t;
                break;
            }
    }
    for ( i = 0; i<11; i++ )
    {
        printf ( "%5d",a[i]);
    }
    system ( "pause" );
    return 0;
}

程序代码：

#include<stdio.h>
#include<stdlib.h>
int main ( )
{
     int i, j, t, a[11] = { 1, 2, 3, 5, 6, 7, 8, 9, 10,11 };
     scanf ( "%d", &t );
     if (t>a[9])
         a[10] = t;
     else
     {
         for ( i =0; i <10; i++ )
         {
           if ( a[i] > t )
             {  
                 for ( j=9; i <=j; j-- )
                   a[j+1] = a[j];
                   a[i] = t;
                   break;
             }
             else continue;
           
         }
            
     }
     
     for ( i = 0; i<11; i++ )
     {
         printf ( "%5d",a[i]);
        
     }
     printf("\n");
     system ( "pause" );
     return (0);
}