poj3250

//（棧）poj3250將第i頭牛能看到多少牛傳化為第i頭牛能被多少牛看見

/*

#include <stdio.h>
#include <stack>
using namespace std;
int main(){
	unsigned long N,ans=0;
	stack<unsigned long>s;
	scanf("%ld",&N);
	while(N--){
		unsigned long cowHigh;
		scanf("%ld",&cowHigh);
		while(!s.empty()&&s.top()<=cowHigh) s.pop();
		ans+=s.size();
		s.push(cowHigh);
	}
	printf("%ld",ans);
	return 0;
}

//*/