还是自己菜,在第三道题上直接g,思路一直不对…………最后code依据灵神思路
class Solution { public: int maxOperations(string s) { int result = 0; int count = 0; for (int i = 0; i < s.length();i++) { if (s[i] == '1') { count++; } else if (i && s[i-1] == '1') { result+=count; } } return result; } };
附灵神题解:堵车(Python/Java/C++/Go)