题目要求
分析
注意补0呀
AC代码(Java语言描述)
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int num = scanner.nextInt();
scanner.close();
int temp = 0;
for (int i = 1; i <= num; i++) {
for (int j = 1; j <= num-i+1; j++) {
temp++;
if (temp < 10) {
System.out.print("0" + temp);
} else {
System.out.print(temp);
}
}
System.out.println();
}
}
}