import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while(sc.hasNext()) {
int n=sc.nextInt();
for(int i=0;i<n;i++) {
int num=sc.nextInt();
String str="HDU";
for(int j=0;j<num*3;j++)
for(int k=0;k<num;k++) {
System.out.print(str);
if(k==num-1)
System.out.println();
}
}
}
sc.close();
}
}
hdu 2500
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转载自blog.csdn.net/qq_40215528/article/details/83315441
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