0944.cpp (381B)
1 class Solution { 2 public: 3 int minDeletionSize(vector<string> &strs) { 4 int count = 0; 5 for (int i = 0; i < strs[0].size(); i++) { 6 for (int j = 1; j < strs.size(); j++) { 7 if (strs[j][i] < strs[j - 1][i]) { 8 count++; 9 break; 10 } 11 } 12 } 13 return count; 14 } 15 };