Simplest C++ Solution
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition

# Approach


# 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 hasSameDigits(string s) {
         
        
        while (s.size()>= 2) {

            if(s.size()== 2){

                if(s[0] == s[1]) 
                return true;
            }
            string s1;
            for(int i = 0; i<s.size()-1; i++){

            s1 += (s[i]  + s[i+1]) % 10;
            }
            s = s1;
        }
        return false;
        
    }
};
```
['C++']