Problem1845--【入门】s01串

1845: 【入门】s01串

Time Limit: 1.000 Sec  Memory Limit: 256 MB
Submit: 0  Solved: 3
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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

Source/Category


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