c語言程式四數的排列

December 31, 2010

#include
#include

int main(void)

{
   int a,b,c,d;
   void sort(int,int,int,int);

   printf("Input a=");
   scanf("%d",&a);
   printf("Input b=");
   scanf("%d",&b);
   printf("Input c=");
   scanf("%d",&c);
   printf("Input d=");
   scanf("%d",&d);

   sort(a,b,c,d);

   system("pause");
   return 0 ;
}

void sort(int a,int b,int c,int d)

{
   if(a>b && a>c && b>c && b>d)
   {
   if(c>d)
   {
   printf("The order =%d %d %d %d\n",a,b,c,d);
   }

   else
   {
   printf("The order =%d %d %d %d\n",a,b,d,c);
   }
   }

   else if(a>b && a>c && c>b && c>d)
   {
   if(b>d)
   {
   printf("The order =%d %d %d %d\n",a,c,b,d);
   }

   else
   {
   printf("The order =%d %d %d %d\n",a,c,d,b);
   }
   }

   else if(a>b && a>c && d>b && d>c && a>d)
   {
   if(b>c)
   {
   printf("The order =%d %d %d %d\n",a,d,b,c);
   }

   else
   {
   printf("The order =%d %d %d %d\n",a,d,c,b);
   }
   }
////////////////////////////////////////////////////////////////////////////////
   else if(b>a && b>c && a>c && a>d)
   {
   if(c>d)
   {
   printf("The order =%d %d %d %d\n",b,a,c,d);
   }

   else
   {
   printf("The order =%d %d %d %d\n",b,a,d,c);
   }
   }

   else if(b>a && b>c && c>a && c>d)
   {
   if(a>d)
   {
   printf("The order =%d %d %d %d\n",b,c,a,d);
   }

   else
   {
   printf("The order =%d %d %d %d\n",b,c,d,a);
   }
   }

   else if(b>a && b>c && d>a && d>c && b>d)
   {
   if(a>c)
   {
   printf("The order =%d %d %d %d\n",b,d,a,c);
   }

   else
   {
   printf("The order =%d %d %d %d\n",b,d,c,a);
   }
   }
////////////////////////////////////////////////////////////////////////////////
   else if(c>a && c>b && a>b && a>d)
   {
   if(b>d)
   {
   printf("The order =%d %d %d %d\n",c,a,b,d);
   }

   else
   {
   printf("The order =%d %d %d %d\n",c,a,d,b);
   }
   }

   else if(c>a && c>b && b>a && b>d)
   {
   if(a>d)
   {
   printf("The order =%d %d %d %d\n",c,b,a,d);
   }

   else
   {
   printf("The order =%d %d %d %d\n",c,b,d,a);
   }
   }

   else if(c>a && c>b && d>a && d>b && c>d)
   {
   if(a>b)
   {
   printf("The order =%d %d %d %d\n",c,d,a,b);
   }

   else
   {
   printf("The order =%d %d %d %d\n",c,d,b,a);
   }
   }
////////////////////////////////////////////////////////////////////////////////
   else if(d>a && d>b && a>b && a>c)
   {
   if(b>c)
   {
   printf("The order =%d %d %d %d\n",d,a,b,c);
   }

   else
   {
   printf("The order =%d %d %d %d\n",d,a,c,b);
   }
   }

   else if(d>a && d>b && b>a && b>c)
   {
   if(a>c)
   {
   printf("The order =%d %d %d %d\n",d,b,a,c);
   }

   else
   {
   printf("The order =%d %d %d %d\n",d,b,c,a);
   }
   }

   else if(d>a && d>b && c>a && c>b && d>c)
   {
   if(a>b)
   {
   printf("The order =%d %d %d %d\n",d,c,a,b);
   }

   else
   {
   printf("The order =%d %d %d %d\n",d,c,b,a);
   }
   }
}