improved the algorithm

[christianbender]

• I simplified the algorithm.
• After my changes I ran the tests successful.

[codecov]

Codecov Report

Merging #50 into master will increase coverage by 1.52%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #50      +/-   ##
==========================================
+ Coverage   63.79%   65.32%   +1.52%     
==========================================
  Files         140      143       +3     
  Lines        3301     3712     +411     
  Branches      297      350      +53     
==========================================
+ Hits         2106     2425     +319     
- Misses       1183     1266      +83     
- Partials       12       21       +9

Impacted Files	Coverage Δ
src/js/others/balanced-symbols.js	100% <100%> (ø)	⬆️
src/ts/algorithms/search/interpolation-search.ts	80% <0%> (-20%)	⬇️
src/ts/algorithms/graph/dijkstra.ts	12.5% <0%> (-14.78%)	⬇️
src/ts/algorithms/graph/prim.ts	11.11% <0%> (-11.97%)	⬇️
src/ts/algorithms/sorting/bucket-sort.ts	92.3% <0%> (-7.7%)	⬇️
src/ts/algorithms/sorting/counting-sort.ts	93.75% <0%> (-6.25%)	⬇️
src/ts/algorithms/graph/kruskal.ts	13.15% <0%> (-5.03%)	⬇️
src/ts/algorithms/sorting/quicksort.ts	96% <0%> (-4%)	⬇️
src/ts/algorithms/search/binary-search.ts	100% <0%> (ø)	⬆️
...s/algorithms/dynamic-programing/min-coin-change.js	0% <0%> (ø)	⬆️
... and 23 more

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