easy and best solution in c++
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
```cpp []
class Solution {
public:
    bool isBalanced(string num) {
        int n=num.size();
        int oddDigits=0;
        int evenDigits=0;
        for(int i=0;i<n;i++)
        {
            if((i+1)%2==0)
            {
                evenDigits+=num[i]-'0';
            }
            else
            {
                oddDigits+=num[i]-'0';
            }
        }
        return oddDigits==evenDigits;
    }
};
```
['C++']