Coding Contest: Array Reverse Sums

Challenges Contests Community

Given 2 x comma separated array of elements, the first input being the array of numbers, the second being the positions to reverse in the array and sum.

Provide the sum of the reversed numbers only.

Example:

Input:
  - 123,456,789
  - 0,2
Array: [123,456,789]
Selected Elements: [Array[0],Array[2]]
Selected Elements: [123,789]
Reversed Elements: [321,987]
Sum: 321 + 987
Output: 1308

Test Cases

Test Case 1

Argument 1
123,456,789
Argument 2
0,2

Expected Output
1308

Test Case 2

Argument 1
566,655,334,123
Argument 2
1,2

Expected Output
989

Test Case 3

Argument 1
1234,5678,8765,4321
Argument 2
2,3

Expected Output
6912

Test Case 4

Argument 1
12,34,56,78
Argument 2
0,1,2,3

Expected Output
216

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Array Reverse Sums