TP
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->

# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->

# Code
```java []
class Solution {
    public long findTheArrayConcVal(int[] nums) {
       int i=0;
      int j=nums.length-1;
      long finalsum=0;
      while(i<=j){
          String sum="";
          if(i==j){
              finalsum=finalsum+nums[j];
              return finalsum;
          }
          sum=sum+String.valueOf(nums[i])+String.valueOf(nums[j]);
          finalsum=finalsum+Long.parseLong(sum);

          i++;
          j--;
      }
        return finalsum;
    }
}
```
['Java']