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i know,过了

Posted by 350053879 at 2006-04-12 11:50:48 on Problem 1350
In Reply To:WHY WA Posted by:350053879 at 2006-04-12 11:31:16
> #include<stdio.h>
> #include<string.h>
> 
> 
> 
> int num;
> int power(int t,int k)
> {
> 	int sum=1;
> 	for(int i=1;i<=k;i++)
>        sum*=t;
> 	return sum;
> }
> int  Crabic(int n,int k)
> {
> 	  int max=0,min=0;
> 	  int a[4];
> 	  int temp;
> 	  int i,j;
>       for(i=0;i<k;i++)
> 	  {
> 		  a[i]=n%10;
> 		  n=n/10;
> 	  }
> 	  for(i=0;i<k;i++)
> 		  for(j=i+1;j<k;j++)
> 			  if(a[i]>a[j])
> 			  {
> 				  temp=a[i];
> 				  a[i]=a[j];
> 				  a[j]=temp;
> 			  }
> 		num++;
> 		for(j=k-1;j>=0;j--)
> 		{
> 			max+=power(10,j)*a[j];
> 			min+=power(10,k-j-1)*a[j];
> 		}
> 		printf("%d-%d=%d\n",max,min,max-min);
> 		if(max-min==0||max-min==6174) 
> 		{
>              printf("Ok!! %d times\n",num);
> 			//exit(0);
> 		}
>       temp=max-min;
> 	  return temp;
> }
> int main()
> {
> 	int n;
> 	int a[4];
> 	while(scanf("%d",&n)!=EOF)
> 	{
> 		if(n==-1) break;
> 		int temp=n;
> 	    for(int i=0;i<4;i++)
> 		{
> 			a[i]=temp%10;
> 			temp=temp/10;
> 		}
> 		num=0;
> 		printf("N=%d:\n",a[3]*1000+a[2]*100+a[1]*10+a[0]);
> 		if(n%1111==0||n>9999||n<1000)  
> 		{
> 			printf("No!!\n");
> 		    continue;
> 		}
> 		while(1)
> 		{
> 			if(n>=1000)   n=Crabic(n,4);	
> 			else if(n>=100) n=Crabic(n,3);
> 			else if(n>=10) n=Crabic(n,2);
> 			else  n=Crabic(n,1);
> 			if(n==0||n==6174) break;
> 		}
> 	}
>     return 0;
> }

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