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You're writing a program to to analyze test grades, and would like to know the sum of 3 "representative" grades that are stored in an array.

Challenge

You will be given an array with an odd number of elements. Print the sum of the first, middle and last element in the array. For example, when given {1,2,3,4,5}, print 9 (1+3+5). Each sum should be printed on its own line.

Challenge

Print the sum of the sum of the 1^st, middle and last element in the given array.

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Comments

thales
Jul 18, 10:09 AM

a possible awnser is:

my code

Tripti Shergill

Sep 18, 5:49 AM

int evenlength=ar.length+1;
    int middle=ar[(evenlength/2)-1];
    int first=ar[0];
    int last=ar[ar.length-1];

    int sum =first+last+middle;
   System.out.println(sum);

ilse

Jan 6, 12:45 PM

int mid = (ar.length-1)/2;
System.out.println(ar[0]+ar[mid]+ar[ar.length-1]);

Sums

Challenge

Challenge

Comments

thales

Tripti Shergill

ilse