'commit'

TangDou/XiTi/1010.cpp

@@ -0,0 +1,17 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    char a;
+    cin >> a;
+    for (int i = 0; i < 4; i++) {
+        if (i == 0 || i == 3) {
+            cout << a << a << a << a;
+        } else {
+            cout << a << "  " << a;
+        }
+        cout << endl;
+    }
+    return 0;
+}