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DanielGarciaMendez
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a month ago
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stack<char> st; string s = "(()())"; for (char ch : s) { if (ch == '(') st.push(ch); else if (!st.empty()) st.pop(); }
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stack<char> st; string s = "(()())"; for (char ch : s) { if (ch == '(') st.push(ch); else if (!st.empty()) st.pop(); }