String Hashing || Easy | C++
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```\nclass Solution {\npublic:\n    int countSeniors(vector<string>& d) {\n        \n         int ans=0;\n         for(auto& x:d)\n         {\n            string age=x.substr(11,2);\n            if(age>"60")\n             ans++;\n         }\n         return ans;\n    }\n};\n```
['String', 'String Matching', 'C++']