leetcode293周赛5234. 移除字母异位词后的结果数组

class Solution {
public:
    
    
    bool isJudge(string str1,string str2) {
                
        mapm;
        
        for (int i = 0; i < str1.size(); i++) {
            m[str1[i]]++;
        }
        
        for (int i = 0; i < str2.size(); i++) {    
            auto temp = m.find(str2[i]);
            if (temp != m.end()) m[str2[i]]--;
            if (temp == m.end()) return false;//从str2中查到了str1中不存在的字符
        }
        
        for (auto mt = m.begin(); mt != m.end(); mt++) {
            if (mt->second != 0) return false;
        }
        return true;
        
    }
    vector removeAnagrams(vector& words) {
        
        vectorans;
        
        int i = 0;
        
        for (int j = 1; j < words.size(); j++) {
            if (isJudge(words[i],words[j])) {
                words[j] = "-1";        
            } else {
                i = j;
            }
        }
        
        
       for (int j = 0; j < words.size(); j++) {
           if (words[j] != "-1") ans.push_back(words[j]);
        }
        
        return ans;
    }
};