GraphBuilder.kt:144-146: Current algorithm of finding...

[0pdd]

The puzzle 115-d5eab858 from #115 has to be resolved:

ddr/src/main/kotlin/org/objectionary/ddr/graph/GraphBuilder.kt

Lines 144 to 146 in d29ef95

	* @todo #115:90m/DEV Current algorithm of finding graph heads is very inefficient and requires refactoring.
	* To reimplement `setHeads()`, `findHeadsExcessively()` and `thinOutHeads()` functions.
	* To reimplement all functions from `ClosedCycleProcessor.kt`.

The puzzle was created by @c71n93 on 21-Sep-23.

Estimate: 90 minutes, role: DEV.

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