implement removeDuplicates function to eliminate adjacent duplicate characters in a string

Author: Mahin725

LeetCode/stl/1047.Remove_ALL_Adjecent.cpp

@@ -0,0 +1,25 @@
+class Solution {
+public:
+    string removeDuplicates(string s) {
+       stack<char>st;
+       for(auto ch:s){
+        if(st.empty()){
+            st.push(ch);
+            continue;
+        }
+        if(st.top() !=ch){
+            st.push(ch);
+        }else{
+            st.pop();
+        }
+       }
+       string new_s ="";
+        while(!st.empty()){
+            char ch = st.top();
+            new_s+=ch;
+            st.pop();
+        }
+        reverse(new_s.begin(),new_s.end());
+        return new_s;
+    }
+};