1 files changed, 29 insertions, 0 deletions
diff --git a/day6/index.ts b/day6/index.ts
new file mode 100644
index 0000000..612aebf
--- /dev/null
+++ b/day6/index.ts
@@ -0,0 +1,29 @@
+import { of } from "rxjs";
+import { concatAll, map, reduce } from 'rxjs/operators';
+import { ExerciseModuleFunc } from "../types";
+
+type Group = string[];
+
+const getUniq = (group: Group): Set<string> => {
+  const joined = group.join("").split("");
+  const set = new Set(joined);
+  return set;
+}
+
+const day6: ExerciseModuleFunc = async (input: string) => {
+  const splitted = input.split("\n\n");
+  const groups: Group[] = splitted.map(g => g.split("\n"));
+
+  console.log(groups);
+
+  const prom1 = of(groups).pipe(
+    concatAll(),
+    map(getUniq),
+    map(res => res.size),
+    reduce((acc, val) => acc + val)
+  ).toPromise();
+
+  return Promise.all([prom1]);
+}
+
+export default day6;