first commit

Omny · Omny · commit f9cdba0cbfa5 · 2023-11-30T12:22:04.000+09:00
diff --git a/1.two-sum.js b/1.two-sum.js
@@ -0,0 +1,26 @@
+/*
+ * @lc app=leetcode id=1 lang=javascript
+ *
+ * [1] Two Sum
+ */
+
+// @lc code=start
+/**
+ * @param {number[]} nums
+ * @param {number} target
+ * @return {number[]}
+ */
+var twoSum = function (nums, target) {
+  const map = new Map();
+  for (let index = 0; index < nums.length; index += 1) {
+    const num = nums[index];
+    const numToFind = target - num;
+    const index2 = map.get(numToFind);
+    if (index2 !== undefined) {
+      return [index2, index];
+    }
+    map.set(num, index);
+  }
+  return null;
+};
+// @lc code=end
