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@@ -0,0 +1,21 @@
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+/*
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+ * @Description:
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+ * @Version: 1.0
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+ * @Autor: zhuyijun
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+ * @Date: 2021-12-28 17:12:21
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+ * @LastEditTime: 2022-01-21 15:35:19
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+ */
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+#include <bits/stdc++.h>
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+using namespace std;
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+void reverseString(vector<char>& s) {
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+ if (s.size() < 2) {
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+ return;
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+ }
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+ int l = 0, r = s.size() - 1;
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+ while (l < r) {
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+ char temp = s[r];
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+ s[r] = s[l];
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+ s[l] = temp;
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+ l++, r--;
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+ }
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+}
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