Max Num

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

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.

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

2
3 170.00 165.00 180.00
4 165.00 182.00 172.00 160.00

180.00
182.00

Lily

浙江工业大学网络选拔赛