public class Program {
public static void Main() {
string inPut = "";
while ((inPut = System.Console.ReadLine()) != null) {
int inPutNum = int.Parse(inPut);
for (int i = 0; i < inPutNum; i++) {
for (int j = 0; j < inPutNum; j++)
System.Console.Write("*" + " ");
//换行
System.Console.Write("\n");
}
}
}
}

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