Topological sorting

challenges/topologicalSort/topologicalSort.js

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+function topologicalSort(input) {
+
+}
+
+module.exports = topologicalSort;

challenges/topologicalSort/topologicalSort.test.js

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+const topologicalSort = require('./topologicalSort');
+
+const testOne = {
+  input: [[1, 0]],
+  output: [0, 1],
+};
+
+const testOneA = {
+  input: [[1, 0], [2, 0], [3, 1], [3, 2]],
+  output: [[0, 1, 2, 3], [0, 2, 1, 3]],
+};
+
+describe('topologicalSort Test', () => {
+  test('testOne', () => {
+    const result = topologicalSort(testOne.input);
+    expect(testOneA.output).toContainEqual(result);
+  });
+});

challenges/topologicalSort/topologicalSortNotes.md

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+topologicalSort Notes go here!

challenges/topologicalSort/topologicalSortSpec.md

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+topologicalSort Spec go here!
+-https://www.geeksforgeeks.org/find-the-ordering-of-tasks-from-given-dependencies/