Problem Description
There are some students in a class, Can you help teacher find the highest student .
Input
There 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.
Output
For each case output the highest height, the height to two decimal plases;
Sample Input
2
3 170.00 165.00 180.00
4 165.00 182.00 172.00 160.00
Sample Output
180.00
182.00
import java.util.Scanner;
public class Main {
public static void main(String args[]){
Scanner sc=new Scanner(System.in);
int t=sc.nextInt();
while(t-->0){
int n=sc.nextInt();
double max=sc.nextDouble();
for(int j=1;j<n;j++){
double m=sc.nextDouble();
if(m>max)
max=m;
}
System.out.printf("%.2f",max);
System.out.println();
}
}
}