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Author: kerong2002

C++/1190. Reverse Substrings Between Each Pair of Parentheses.cpp

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+class Solution {
+public:
+
+    string reverseParentheses(string s) {
+        int size = s.size();
+        string ans = "";
+        stack<int> st;
+        for (int x = 0; x < size; ++x) {
+            if (s[x] == '(') {
+                st.push(x);
+            }
+            else if(s[x] == ')') {
+                reverse(s.begin() + st.top(), s.begin() + x);
+                st.pop();
+            }
+        }
+        for (auto c : s) {
+            if (c != '(' && c != ')') {
+                ans += c;
+            }
+        }
+        return ans;
+    }
+};