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: 2018212212093
In contest: 1277

#include<stdio.h>
int main (){
	int n;
	int temp=0,total=0;
	while(scanf("%d",&n)!=EOF){
	while(n--){
		float P_a;
		int a;
		scanf("%d",&a);
		if(a>0){
			if(a%2==1){
			P_a=a/2+0.5;}
	
			if(a%2==0){
			P_a=a/2;}
		}
		else{
			P_a=a;
		}
		temp=temp+P_a;
		if(temp<0){
		total=total+1;
		}
		
		
		
	}
	printf("%d\n",total);
	total=0;
	temp=0;}
}