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用java的pow函数,一句话

Posted by superman2006 at 2007-08-11 15:05:55 on Problem 3199
In Reply To:这题不就是高精算N^D吗?怎么就是WA?? Posted by:sphinxdwood at 2007-08-11 14:35:14
> #include<stdio.h>
> #include<memory.h>
> int main(){
> 	int res[30],i,a[30],b[30],j,d,n,k;
> 	scanf("%d%d",&n,&d);
> 	while(n!=0||d!=0){
> 		if(d==0) printf("1\n");
> 		else{
> 			memset(a,0,sizeof(a));
> 			memset(b,0,sizeof(b));			
> 			b[1]=a[1]=n/10;
> 			b[0]=a[0]=n-10*(n/10);
> 			for(i=1;i<d;i++){
> 				memset(res,0,sizeof(res));
> 				for(j=0;j<2;j++)
> 					for(k=0;k<30;k++)
> 						res[j+k]+=a[j]*b[k];
> 				for(j=0;j<30;j++){
> 					res[j+1]+=res[j]/10;
> 					res[j]=res[j]%10;
> 				}
> 				for(j=0;j<30;j++) b[j]=res[j];
> 
> 			}
> 			i=29;
> 			while(res[i]==0) i--;
> 			while(i>=0){
> 				printf("%d",res[i]);
> 				i--;
> 			}
> 			printf("\n");
> 		}
> 		scanf("%d%d",&n,&d);
> 	}
> 	return 0;
> }
> 
> 郁闷……
> 				

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