Start: Jul, 01, 2019 08:30:00
2019年度暑期短学期第四天
End: Jul, 01, 2019 11:30:00
Time elapsed:
Time remaining:

Problem_ID: D
Result: Accepted
Time: 5ms
Memory: 1120kB
Author: 2018212212043
In contest: 1277

#include<stdio.h>
int main()
{
	int n,a,sum=0;
	while(scanf("%d",&n)!=EOF)
	{
		double m=0;
		sum=0;
		while(n--)
		{
			scanf("%d",&a);
			if(a>0)
				a=a/2.0;
			m+=a;
			if(m<0)
				sum++;
		}
		printf("%d\n",sum);
	}
	return 0;
}