Two Sum

include/s1_two_sum.hpp

@@ -0,0 +1,27 @@
+#ifndef S1_TWO_SUM_HPP
+#define S1_TWO_SUM_HPP
+
+#include <iostream>
+#include <unordered_map>
+#include <vector>
+
+class Solution {
+ public:
+  /**
+   * @brief Two Sum
+   *
+   * Given an array of integers `nums` and an integer `target`, return indices
+   * of the two numbers such that they add up to `target`.
+   *
+   * You may assume that each input would have **exactly one solution**, and you
+   * may not use the same element twice.
+   *
+   * You can return the answer in any order.
+   *
+   * @param nums the array of integers to be summed
+   * @param target the target integer
+   */
+  std::vector<int> twoSum(std::vector<int>& nums, int target);
+};
+
+#endif