Lagmental Vicfred

Fenwick Trees Beyond Sums by Vicfred

Last updated: Sat 21 February 2026

Fenwick Trees Beyond Sums

This is synthetic Pelican test content for pagination, archives, tags, sorting, feeds, and theme rendering.

Notes

The topic is drawn from subjects that have come up in mathematics, programming, Unix, networking, static-site tooling, or language study.

Code rendering

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#include <iostream>

using namespace std;

int main() {
  cout << "test post 34" << endl;
  return 0;
}

Math rendering

$$ \sum_{k=1}^n k = \frac{n(n+1)}{2}. $$

Nothing here is intended to be novel. This is harmless test data for a Pelican build.

This article was posted on Thu 24 November 2016. Facts and circumstances may have changed since publication.
Please contact me before jumping to conclusions if something seems wrong or unclear.