Max Num

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

 

 #include <stdio.h>

 int main(){

     int T;

     int n;

     double number;

     int i;

     double max;

     scanf("%d",&T);

     while(T--){

         scanf("%d",&n);

         for(i=;i<n;i++){

             scanf("%lf",&number);

             if(i==)

                 max=number;

             if(number>max)

                 max=number;

         }

         printf("%.2lf\n",max);

     }

     return ;

 }