样例1:
in:
10 4 2 1 2 8 2 6 1 7 2 2
out:
2 0 2 2 0 0 2 0 3 1 2 2 3 0 2 3 3 2 0 1 1 1 2 3 1 2 3 2
又臭又丑又长代码放二楼