Add Two Sum

Author: childrentime

src/leetcode/top/1. Two Sum/firstSubmission.ts

@@ -0,0 +1,11 @@
+export function twoSum(nums: number[], target: number): number[] {
+  const map = new Map<number, number>();
+  for (let i = 0; i < nums.length; i++) {
+    if (map.has(nums[i]!)) {
+      return [i, map.get(nums[i]!)!];
+    } else {
+      map.set(target - nums[i]!, i);
+    }
+  }
+  throw new Error('no answer');
+}