iterate thru nums to_string ->string s insert in ans vector as s[i]-'0' return ans :D
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```cpp []\nclass Solution {\npublic:\n    vector<int> separateDigits(vector<int>& nums) {\nstring s;\nvector<int>ans;\n     for(int i=0;i<nums.size();i++)\n     {\n        s=to_string(nums[i]);\n        for(int i=0;i<s.length();i++)\n        {\n           ans.push_back(s[i]-\'0\');\n        }\n     }\n     return ans;\n\n        \n    }\n};\n```
['C++']