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Re:JAVA 和C 这么大差别?

Posted by smiledrown at 2013-05-05 20:33:07 on Problem 1004
In Reply To:JAVA 和C 这么大差别? Posted by:sun19890208 at 2013-03-10 23:24:08
> #include<stdio.h>
> #include<stdlib.h>
> int main(){
>  float m,sum;
>  sum=0;
>  for(int i=0;i<12;i++){
>   scanf("%f",&m);
>   sum=sum+m;
>  }
>  sum=sum/12;
>  printf("$%.2f",sum);
>  return 0;
> }
> 
> java的复制版  Eclipse上完全没问题 Float double 都能满足要求精度。
> 为啥C 一下就AC  JAVA总是WA 我了个擦擦
> import java.text.DecimalFormat;
> import java.util.Scanner;
> 
> public class M1004 {
> 	public static void main(String[] args) {
> 		float m,sum;
> 		 sum=0;
> 		 Scanner sc = new Scanner(System.in);
> 		 for(int i=0;i<12;i++){
> 		  m = sc.nextFloat();
> 		  sum=sum+m;
> 		 }
> 		 sum=sum/12;
> 		 DecimalFormat df = new DecimalFormat("#.##");
> 		 System.out.println(df.format(sum));
> 	}
> }
> 

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