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Re:高精度多进制之间的转换,曾经拜读过maigo的代码,非常精简的思想及实现,见内。

Posted by zhanghongxiao at 2011-05-19 21:35:01 on Problem 1220
In Reply To:高精度多进制之间的转换,曾经拜读过maigo的代码,非常精简的思想及实现,见内。 Posted by:tzkq at 2010-07-19 22:16:44
> int i,l,k,a,b,T,t[555],A[555];
> char s[555],d[555];
> main(){
> 
> 	for(scanf("%d",&T);T--;){
> 		scanf("%d%d%s",&a,&b,s);
> 
> 		for(k=i=strlen(s);0<i--;)t[k-1-i]=s[i]-(s[i]<58?48:s[i]<97?55:61);
> 
> 		for(l=0;k;){
> 			for(i=k;1<i--;){
> 				t[i-1]+=t[i]%b*a;
> 				t[i]/=b;
> 			}
> 			A[l++]=t[0]%b;
> 			t[0]/=b;
> 			for(;0<k&&!t[k-1];k--);
> 		}
> 
> 		for(d[l]=i=0;i<l;i++)d[l-1-i]=A[i]+(A[i]<10?48:A[i]<36?55:61);
> 
> 		printf("%d %s\n%d %s\n\n",a,s,b,d);
> 	}
> 
> }

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