HDU 2071 Max Num

Max Num

Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 10815 Accepted Submission(s): 6944

Problem DescriptionThere are some students in a class, Can you help teacher find the highest student .

InputThere are some cases. The first line contains an integer t, indicate the cases; Each case have an integer n ( 1 ≤ n ≤ 100 ) , followed n students’ height.

OutputFor each case output the highest height, the height to two decimal plases;

Sample Input

23 170.00 165.00 180.004 165.00 182.00 172.00 160.00

Sample Output

180.00182.00

 

 

import java.io.*;import java.math.BigDecimal;import java.text.DecimalFormat;import java.util.*;/* * @author denghuilong  *   * 2013-8-13下午4:14:40 **/public class Main {public static void main(String[] args) {Scanner sc=new Scanner(new BufferedInputStream(System.in));while(sc.hasNext()){int n=sc.nextInt();for(int i=0;i<n;i++){int m=sc.nextInt();BigDecimal d[]=new BigDecimal[m];for(int j=0;j<m;j++){d[j]=sc.nextBigDecimal();}Arrays.sort(d);DecimalFormat dec=new DecimalFormat("0.00");System.out.println(dec.format(d[d.length-1]));}}}}