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main()
{int *p,i,a[10]={3,7,9,11,0,6,7,5,4,2};
printf("The original array:\n");
for(i=0;i<10;i++)
   printf("%d,",a[i]);
printf("\n");
p=a;
sort(p,10);
for(p=a,i=0;i<10;i++)
{printf("%d ",*p);p++;}
printf("\n");
}
sort(int x[],int n)
{int i,j,k,t;
for(i=0;i<n-1;i++)
   {k=i;
    for(j=i+1;j<n;j++)
      if(x[j]>x[k])k=j;
    if(k!=i)
    {t=x[i];x[i]=x[k];x[k]=t;}
    }
}
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    4   5   6   7
8   9 10 11
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int a[3][4]={{0,1,2,3},{4,5,6,7},{8,9,10,11}}
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