C++ 100% Fast Run Time Solution ( Easy to Understand )
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 smallestEqual(vector<int>& nums) \n    {\n        vector<int>v;\n        for(int i=0;i<nums.size();i++)\n        {\n            if(i%10==nums[i])\n                return i;\n        }\n        return -1;\n    }\n};\n```
['C++']