Problem 1323. Alternating sum
Given vector x, calculate the alternating sum
y = x(1) - x(2) + x(3) - x(4) + ...
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Sequences & Series I
- 14 Problems
- 87 Finishers
- Sum all integers from 1 to 2^n
- Integer sequence - 2 : Kolakoski sequence
- Sum all integers from 1 to 2^n
- Project Euler: Problem 2, Sum of even Fibonacci
- Sum of first n terms of a harmonic progression
- Project Euler: Problem 6, Natural numbers, squares and sums.
- Integer Sequence - II : New Fibonacci
- Project Euler: Problem 2, Sum of even Fibonacci
- Project Euler: Problem 6, Natural numbers, squares and sums.
- Find the stride of the longest skip sequence
- Sum the Infinite Series
- Return the Fibonacci Sequence
- Sum of first n terms of a harmonic progression
- "Look and say" sequence
- Is X a Fibonacci Matrix?
- Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
- Golomb's self-describing sequence (based on Euler 341)
- Alternating sum
- Integer sequence - 2 : Kolakoski sequence
- Integer Sequence - II : New Fibonacci
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