Two Pointer || 83% T.C || 67% S.C || CPP
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```\nclass Solution {\npublic:\n    long long findTheArrayConcVal(vector<int>& nums) {\n        long long result = 0;\n        int l = 0, r = nums.size() - 1;\n        while(l <= r){\n            if(l == r){\n                result += nums[l]; \n                break;\n            }\n            result += stoi(to_string(nums[l++]) + to_string(nums[r--]));\n        }\n\n        return result;\n    }\n};\n```
['C++']