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: 2018212212233
In contest: 1277

#include<stdio.h>
int main()
{
	int a,b,c,n;
	while(scanf("%d",&n)!=EOF)
	{
		a=0,b=0;
		while(n--)
		{
            scanf("%d",&c);
			a+=c<0?c:c/2;
			b+=a<0?1:0;
		}
		printf("%d\n",b);
	}
}