> import java.util.*;
> public class Main{
> 	public static void main(String argc[]){
> 		 float a =0 ;
> 		 float b =0 ;
> 		Scanner cin = new Scanner(System.in);
> 		a = cin.nextFloat();
>         	    int c = 0;
> 	 
> 		for(float i = 1; b < a; i++){
> 			b = b + 1/(i+1);
> 			c = (int)i;
> 		
> 		}
> 		System.out.println(c+" card(s)");
> 	
> 		}
> 		
> 
> 		
> }

• 我把float 都改成double了 可是还是WA (43) ppxieppp 2006-03-09 01:36:39