feat(challenges): add heap-algorithm

2025-12-11 00:21:24 +01:00 · 2021-11-08 16:56:22 +01:00
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+# heap-algorithm
+
+Created by [@Divlo](https://github.com/Divlo) on 8 November 2021.
+
+## Instructions
+
+Write a program that generates all possible unique permutations of a string.
+
+## Source
+
+- [Heap's Algorithm - Wikipedia](https://en.wikipedia.org/wiki/Heap%27s_algorithm)
+
+## Examples
+
+### Example 1
+
+#### Input
+
+```txt
+abc
+```
+
+#### Output
+
+```txt
+abc
+bac
+cba
+bca
+cab
+acb
+```
+
+See the `test` folder for examples of input/output.