Question

Sum of array elements at even indices & odd indeces in c++

Answer 1

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Input : arr = {1, 2, 3, 4, 5, 6} 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

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