Question

write a program to accept 25 elements in an array. calculate and display the sum of only those elements which are even also find the product of all the elements present in an array​

Answer 1

Explanation:

Output :Even index positions sum 9

Odd index positions sum 12

Explanation: Here, n = 6 so there will be 3 even

index positions and 3 odd index positions in an array

Even = 1 + 3 + 5 = 9

Odd = 2 + 4 + 6 = 12

Input : arr = {10, 20, 30, 40, 50, 60, 70}

Output : Even index positions sum 160

Odd index positions sum 170

Explanation: Here, n = 7 so there will be 3 odd

index positions and 4 even index positions in an array

Even = 10 + 30 + 50 + 70 = 160

Odd = 20 + 40 + 60 = 120