[HAI] twoSumHashtable

lib/twoSumHashTable/twoSumHashTable.ts

@@ -0,0 +1,24 @@
+export function twoSumHashTable(nums: number[], target: number): number[] {
+  const result: number[] = [];
+  const hashTable: Record<string, number> = {};
+  let i = 0;
+
+
+  while (i < nums.length) {
+    let key = nums[i];
+    let val = i;
+    let searchKey = String(target - key);
+
+    if (searchKey in hashTable) {
+      result.push(hashTable[searchKey]);
+      result.push(val);
+      break;
+    } else {
+      hashTable[key] = val;
+    }
+
+    i++
+  }
+
+  return result;
+};