字串
#include <iostream>
using namespace std;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int T;
cin >> T;
string s;
while (T--) {
cin >> s;
bool flag = true;
for (int l = 0, r = s.size() - 1; l <= r; l++, r--) {
if (s[l] != s[r]) {
flag = false;
break;
}
}
if (flag) cout << "yes\n";
else cout << "no\n";
}
return 0;
}
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