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这个程序很简单,为什们用那么多mem(3248K 157MS),怎么节省mem?求解import java.io.*; import java.util.*; import java.math.*; import java.text.*; public class Main1004{ static Scanner cin=new Scanner(System.in); static public PrintWriter cout=new PrintWriter(System.out,true); public static void main(String[]args) { double sum=0; double average=0; for(int i=0;i<12;i++) { sum+=cin.nextDouble(); } average=sum/12; DecimalFormat df=new DecimalFormat("0.00"); cout.println("$"+df.format(average)); } } Followed by:
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