# Points Calculation

To calculate the sum of points $P$ awarded to each solver, the points for challenges across all levels (I, II, III, X) are added up. The points for level X challenges are awarded manually, the points for level I, II, III challenges are calculated dynamically based on the following formula:

$P=\left(\sum _{i=1}^{L}\left(\sum _{j=1}^{{N}_{i}}\frac{{10}^{i}\ast 10}{f\left(d\right)}\right)\right)$

$L=3$ because there are three dynamically calculated levels, ${N}_{i}$ denotes the number of challenges solved in level $i$, and the function $f\left(d\right)$ is used to calculate the points depending on the number of days passed between the publication of the challenge and the submission of the solution:

$f\left(d\right)=1-\frac{1}{{2}^{1-c}\ast \left(d+1{\right)}^{c}}$

The coefficient $c$ depends on the level $i$ and is defined as follows:

Consequently, the points for higher levels decline slower than for lower levels.

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