筛排处理 （C语言代码）

#include <stdio.h>
int main()
{
     int i,j,t,count,N;
     int a[100];

     while(scanf("%d",&N)&&N)
     {
              count=0;

              for(i=0;i<N;i++)
                   scanf("%d",&a[i]);

              for(i=0;i<N;i++)
              {
                   for(j=i+1;j<N;j++)
                   {
                        if(a[i]>a[j]){t=a[i];a[i]=a[j];a[j]=t;}
                        if(a[i]==a[j])a[j]=0;
                    }
               }

              for(i=0;i<N;i++)
              {
                   for(j=i+1;j<N;j++)
                        if(a[i]>a[j]){t=a[i];a[i]=a[j];a[j]=t;} 
                   if(a[i]!=0)count++;
               }

              printf("%d\n",count);

              for(i=0;i<N;i++)
              {
                   if(a[i]!=0)
                   {
                      if(i<N-1)printf("%d ",a[i]);
                      else printf("%d\n",a[i]);
                    }
               }

               printf("\n");
   }

   return 0;
}

解题思路:





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