Time: 44 ms (15.52%), Space: 25.9 MB (5.94%) - LeetHub

Author: JanaSabuj

unique-email-addresses/unique-email-addresses.cpp

@@ -0,0 +1,44 @@
+class Solution {
+public:
+    string sanitise(string& str){
+        stringstream ss;
+        ss << str;
+        
+        string token;
+        while(getline(ss, token, '+')){
+            break;
+        }
+        
+        string ans = "";
+        for(auto x: token)
+            if(x != '.')
+                ans += x;
+        
+        return ans;
+    }
+    int numUniqueEmails(vector<string>& emails) {
+        stringstream ss;
+        unordered_set<string> st;
+        
+        for(auto str: emails){
+            ss.clear();
+            ss << str;
+            
+            string arr[2];
+            string token;
+            
+            int i = 0;
+            while(getline(ss, token, '@')){
+                arr[i++] = token;
+            }
+            
+            string local = sanitise(arr[0]);
+            string domain = arr[1];
+            
+            cout << local +  domain << endl;
+            st.insert(local + "@" +  domain);
+        }
+        
+        return (int)st.size();
+    }
+};