import java.util.*;
import java.math.*;
public class Main
{
public static void main(String[] args)
{
Scanner in=new Scanner(System.in);
long n,a[]=new long[100005],sum; int i;
while(in.hasNextLong())
{
n=in.nextLong();
if(n==0) break;
for(i=0;i<n;i++)
a[i]=in.nextLong();
for(sum=i=0;i<n-1;i++)
{
a[i+1]+=a[i]; sum+=Math.abs(a[i]);
}
System.out.println(sum);
}
}
}
Uva 11054 洒交易(扫描法)
最新推荐文章于 2021-05-18 14:22:13 发布