From c4c375364d0a4bdce6097b4c9e000c27ca926926 Mon Sep 17 00:00:00 2001
From: seokzin <seokzin95@gmail.com>
Date: Sun, 11 Dec 2022 19:14:24 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20=EC=9C=A0=ED=8B=B8=20=ED=95=A8=EC=88=98?=
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---
 utils/add.ts          | 5 +++++
 utils/bfs.ts          | 6 ++++++
 utils/binarySearch.ts | 6 ++++++
 3 files changed, 17 insertions(+)

diff --git a/utils/add.ts b/utils/add.ts
index a2606e3..9a94720 100644
--- a/utils/add.ts
+++ b/utils/add.ts
@@ -1,3 +1,8 @@
+/**
+ * Adds numbers together
+ * @param args Number list
+ * @returns The sum of number list
+ */
 const add = (...args: number[]) => [...args].reduce((a, b) => a + b);
 
 export default add;
diff --git a/utils/bfs.ts b/utils/bfs.ts
index 1bc6535..9e62a0d 100644
--- a/utils/bfs.ts
+++ b/utils/bfs.ts
@@ -1,3 +1,9 @@
+/**
+ * Breadth-first search
+ * @param graph - Graph to search
+ * @param node - Node to start search from
+ * @returns Visited nodes
+ */
 const bfs = (graph: { [key: string]: string[] }, node: string) => {
   const queue = [node];
   const visited = [];
diff --git a/utils/binarySearch.ts b/utils/binarySearch.ts
index 950a1a0..7f4d95e 100644
--- a/utils/binarySearch.ts
+++ b/utils/binarySearch.ts
@@ -1,3 +1,9 @@
+/**
+ * Binary search
+ * @param list - Number list to search
+ * @param callback - Callback function to compare
+ * @returns Index of the number
+ */
 const binarySearch = (list: number[], callback) => {
   let start = 0;
   let end = list.length - 1;