Create 2085-CountCommonWordsWithOneOccurence.cpp

Author: DionysiosB

2085-CountCommonWordsWithOneOccurence.cpp

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+class Solution {
+public:
+    int countWords(vector<string>& words1, vector<string>& words2) {
+        std::map<std::string, int> a, b;
+        for(int p = 0; p < words1.size(); p++){++a[words1[p]];}
+        for(int p = 0; p < words2.size(); p++){++b[words2[p]];}
+        int cnt(0);
+        for(std::map<std::string, int>::iterator it = a.begin(); it != a.end(); it++){
+            if(it->second > 1){continue;}
+            std::string key = it->first;
+            if(b.count(key) && b[key] == 1){++cnt;}
+        }
+
+        return cnt;
+    }
+};