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: 4ms
Memory: 1120kB
Author: 2018212212297
In contest: 1277

#include<stdio.h>
int main() {
	int T,i,n,s,q;
	while(scanf("%d",&T)!=EOF) {
		q=0,s=0;
		for(i=0; i<T; ++i) {
			
			scanf("%d",&n);
			if(n>0) {
				s=s+n/2;
			} else
				s=s+n;
			q=s<0?++q:q;
		}
		printf("%d\n",q);
	}
	return 0;
}