> #include <stdio.h>
> #include <string.h>
> #include <stdlib.h>
> #define N 100000000
> long long a[100];
> int main()
> {
> 	int i, j, dot, flagdot, n, adv,len, flen;
> 	long long k;
> 	char s[10],substr[20], str[2000];
> 	while(scanf("%s%ld",s,&n)!=EOF)
> 	{
> 		memset(a, 0, sizeof(a));
> 		flagdot = 0;
> 		dot = -1;
> 		k = 0;
> 		j = strlen(s) - 1;
> 		while(s[j] == '0') j--;
> 		for(i = 0; i <= j; i++)
> 		{
> 			if(s[i] != '.')
> 				k = k * 10 + s[i] - '0';
> 			else flagdot = 1;
> 			if(flagdot == 1)		
> 				dot++;
> 		}
> 		a[0] = k;
> 		adv = 0;
> 		for( i = 0; i < n - 1; i++)
> 		{
> 			for(j = 0; j < 99; j++)
> 			{
> 				a[j] = a[j] * k + adv;
> 				adv = a[j] / N;
> 				a[j] = a[j] % N;
> 			}
> 		}
> 		
> 		i = 99;
> 		while(a[i] == 0) i--;
> 		itoa(a[i], substr, 10);
> 		str[0] = '\0';
> 		strcat(str,substr);
> 		i--;
> 		while(i >= 0)
> 		{
> 			itoa((int)a[i],substr, 10);
> 			len = 8 - strlen(substr);
> 			while(len--) strcat(str,"0");
> 			strcat(str,substr);
> 			i--;
> 		}
> 		len = strlen(str);
> 		flen = len - dot * n;
> 		if(flen < 0)
> 		{
> 			putchar('.');
> 			while(flen)
> 			{
> 				putchar('0');
> 				flen++;
> 			}
> 			printf("%s\n",str);
> 			continue;
> 		}
> 		else if(flen == len + n || flen == len)
> 		{
> 			printf("%s\n",str);
> 			continue;
> 		}
> 		for(i = 0; i < flen; i++)
> 			putchar(str[i]);
> 		putchar('.');
> 		for(i = flen; str[i]; i++)
> 			putchar(str[i]);
> 		printf("\n");
> 	}
> 	return 0;
> }
> 				
> 				
> 			
> 		
> 				
> 			

• Re:为什么一直wrong time error啊？ (45) whuwinnie 2008-07-19 20:09:38