Basic approach using 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: O(n)\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity: O(1)\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```\nclass Solution {\npublic:\n    int removeAlmostEqualCharacters(string x) {\n        int ans = 0;\n        for(int i = 1 ; i < x.size() ; i++){\n            if(x[i] == x[i-1] || x[i]+1 == x[i-1] || x[i-1]+1 == x[i]){\n                ans++;\n                i++;\n            }\n        }\n        return ans;\n    }\n};\n```
['String', 'C++']