Problem 1006 n=1时 单调区间的个数是1还是0?

a19891101 | 2015-05-23 14:49:01Author
n=1时 单调区间的个数是1还是0?
huanzhizun888 | 2015-05-23 14:53:53# 1
同问
ydc | 2015-05-23 15:13:33# 2
1吧