simple java
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 {\n    public int minDeletionSize(String[] strs) {\n       int n=strs.length;\n        int count=0;\n        boolean[] ans=new boolean[n];\n        for(int i=0;i<strs[0].length();i++){\n            int j=0;\n            for(;j<strs.length-1;j++){\n                if(!ans[j] && strs[j].charAt(i)>strs[j+1].charAt(i)){\n                    count++;\n                    break;\n                }\n            }\n            if(j<strs.length-1){\n                continue;\n            }\n            j=0;\n            for( ;j<strs.length-1;j++){\n                if(strs[j].charAt(i)<strs[j+1].charAt(i)){\n                    ans[j]=true;\n                }\n            }\n        }\n        \n        return count;\n    }\n    \n}\n```
['Java']