This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
bool isReversed(string s) {
string u = s;
reverse(u.begin(), u.end());
return u == s;
}
int main() {
string s;
cin >> s;
int n = (int) s.length(), ans = 0;
for (int i = 0; i < n; ++i) {
string u = "";
for (int j = 0; j < n; ++j) {
u += s[j];
if (isReversed(u)) {
ans++;
}
}
}
if (isReversed(s)) {
ans++;
}
cout << ans / 3 << "\n";
}
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