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@@ -0,0 +1,23 @@
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+#include <bits/stdc++.h>
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+
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+using namespace std;
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+
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+bool ok(const string &s) {
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+ if (s.length() == 0 || s.length() % 2 != 0) return false;
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+ for (int i = 0; i < s.length() / 2; i++)
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+ if (s[i] != s[s.length() - 1 - i]) return false;
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+ return true;
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+}
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+
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+int main(int argc, char const *argv[]) {
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+ int n;
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+ cin >> n;
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+ while (n--) {
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+ string s;
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+ cin >> s;
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+ while (ok(s)) s = s.substr(0, s.length() / 2);
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+ cout << s.length() << endl;
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+
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+ }
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+ return 0;
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+}
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