Beginer Level Optimal Solution
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 minOperations(int n) {\n        int sum=0;\n        if(n%2==1){\n            for(int i=0;i<n;i+=2){\n                sum+=i;\n            }\n        }else{\n            for(int i=1;i<n;i+=2){\n                sum+=i;\n            }\n        }\n        \n        return sum;\n    }\n};\n```
['C++']