1845: 【入门】s01串

Memory Limit:256 MB Time Limit:1.000 S
Creator:
Submit:10 Solved:7

Description

s01串初始为"0"
按以下方式变换
01101

Input

1个整数(0~19)

Output

n次变换后s01

Sample Input

3

Sample Output

101

HINT

【来源】蓝桥杯算法训练