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Re:请帮忙看一下~ 在下初学高精

Posted by kukumalu at 2006-07-24 13:42:19 on Problem 1503
In Reply To:请帮忙看一下~ 在下初学高精 Posted by:kukumalu at 2006-07-23 19:56:05
> 这是俺的破CODE:
> #include <stdio.h>
> #include <string.h>
> #define MAX 110
> 
> 
> void input ( int a[MAX] , char b[MAX] )             //The begining of HP!~   
> {
> 	int k = 0 , HeadPos = 0 , len ;
> 	len = strlen ( b ) ;                            //"len" is the length of string "b"
> 
> 	while ( b[HeadPos] == '0' && len != 1 )         //remove leading 0s
> 		HeadPos ++ ;
> 
> 
> 	for ( k = 0 ; k < len - HeadPos ; k ++ )        // so , len-HeadPos  is the real length of the number in b
> 		a[k] = b [len-1-k] - 48  ;                  //now I know that the return value of "strlen" is the "REAL" length of the string , '\0' is excluded ^_^
> }
> 
> 
> 
> 
> void add ( int a[MAX] , int sum[MAX] )              // HP add     
> {
> 	int i=0 ,carry = 0;                             // " carry" is  carry  ^_^
> 
> 	for ( ; i < MAX ; i ++ )                                      
> 	{
> 		sum[i] = sum[i] + a[i] + carry  ;
> 		if ( sum[i] > 9 )                           
> 		{
> 			carry = 1;
> 			sum[i] = sum[i] - 10;              
> 		}
> 		else carry = 0;
> 	}
> }
> 
> 
> 
> 
> 
> 
> int main ()
> {
> 	int j;
> 	int a[MAX] , sum[MAX] ;
> 	char b[MAX] ;
> 	memset ( sum , 0 , sizeof (sum) );
> 	memset ( a , 0 , sizeof(a) );
> 	memset (b , '0' , sizeof(b) );
> 
>   
> 	while (1)
> 	{
> 		gets(b);
> 		if ( *b == '0' && b[1] == '\0' )
> 			break;
> 		input ( a , b );
> 		add (a , sum);
> 	}
> 
> 	int i = MAX -1 ;
> 	while ( sum[i]== 0)
> 	{	-- i; j=i;}
> 	while ( j >= 0)
> 	{
> 		printf ( "%d" , sum[j]);
> 		j -- ;	}
> 	printf("\n");
> 	return 0;
> }
> 				
> 头一次使用高精~   总不成功       
> 希望高手帮忙看一下   不胜感激


自己再帮自己顶一下。..    盼望有人能帮一把~   

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