Added solution for Two Sum Problem in LeetCode larissalages#27

leetcode/cpp/Array/1.cpp

@@ -0,0 +1,19 @@
+class Solution {
+public:
+    vector<int> twoSum(vector<int>& nums, int target) 
+    {
+        vector<int> a;
+        for (int i=0; i<nums.size(); i++)
+        {
+            for(int j=i+1; j<nums.size(); j++)
+            {
+                if(nums[i] + nums[j]==target)
+                {
+                    a= {i,j};
+                    break;
+                }
+            }
+        }
+        return a;
+    }
+};