poj 3298 Antimonotonicity 贪心

//poj 3298
//sep9
#include <iostream>
using namespace std;
const int maxN=30024;
int a[maxN];

int main()
{
	int cases;
	scanf("%d",&cases);
	while(cases--){
		int i,j,n,s=0;
		scanf("%d",&n);
		for(i=1;i<=n;++i)
			scanf("%d",&a[i]);
		int ans=1;	
		for(i=1;i+1<=n;++i){
			if(a[i]>a[i+1]){
				s=0;	
				++ans;
				for(j=i+1;j+1<=n;++j){
					if((s==0&&a[j]<a[j+1])||(s==1&&a[j]>a[j+1])){
						++ans;
						s=s^1;
					}			
				}
				break;
			}
		}
		printf("%d\n",ans);
	}
	return 0;	
}