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14-Queue/22-RecentCounter/RecentCounter.cpp

+#include<iostream>
+#include<string>
+#include<string.h>
+#include<stack>
+#include<assert.h>
+
+using namespace std;
+
+class RecentCounter {
+public:
+    mk() {
+
+    }
+    
+    int ping(int t) {
+
+    }
+};
+
+/**
+ * Your RecentCounter object will be instantiated and called as such:
+ * RecentCounter* obj = new RecentCounter();
+ * int param_1 = obj->ping(t);
+ */
+
+string stringToString(string input) {
+    assert(input.length() >= 2);
+    string result;
+    for (int i = 1; i < input.length() -1; i++) {
+        char currentChar = input[i];
+        if (input[i] == '\\') {
+            char nextChar = input[i+1];
+            switch (nextChar) {
+                case '\"': result.push_back('\"'); break;
+                case '/' : result.push_back('/'); break;
+                case '\\': result.push_back('\\'); break;
+                case 'b' : result.push_back('\b'); break;
+                case 'f' : result.push_back('\f'); break;
+                case 'r' : result.push_back('\r'); break;
+                case 'n' : result.push_back('\n'); break;
+                case 't' : result.push_back('\t'); break;
+                default: break;
+            }
+            i++;
+        } else {
+          result.push_back(currentChar);
+        }
+    }
+    return result;
+}
+
+string boolToString(bool input) {
+    return input ? "True" : "False";
+}
+
+int main() {
+    string line;
+    while (getline(cin, line)) {
+        string s = stringToString(line);
+        
+        string ret = Solution().removeDuplicateLetters(s);
+
+        string out = (ret);
+        cout << out << endl;
+    }
+    return 0;
+}