1. Two Sum.cpp

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

        return {0, 0};
    }
};