Tried my first real codeforces round, got stuck way too long on one of the earlier questions, but over all, you gotta start somewhere i guess

codeforces/rounds/762/a.cpp

@@ -0,0 +1,36 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+void test_case(int tc){
+    string s;
+    cin >> s;
+
+    for(size_t i = 0; i < (s.size() + 1) / 2; ++i){
+        if(s[i] != s[i + (s.size() + 1) / 2]){
+            cout << "NO\n";
+            return;
+        }
+    }
+
+    cout << "YES\n";
+    return;
+}
+
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int t;
+    cin >> t;
+
+    for(int tc = 1; tc <= t; ++tc){
+        test_case(tc);
+    }
+
+    cout << flush;
+
+    return 0;
+}