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Problem 44845. Just another sum (JAS)

Created by asa czylabson in Community

Task:

Write a function that takes a vector X and returns the alternating sum of X:

X(1)-X(2)+X(3)-X(4)+...

Example:

for vector X=[1 2 3] the function should return 1-2+3=2.

Solution Stats

64.29% Correct | 35.71% Incorrect
Last solution submitted on Apr 02, 2019

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