python 代码

n=int(input())
x=list(input().split())
sick=x[0]
left,right=0,0
for i in range(abs(sick)):
    if(x[i]<0 and abs(i)>abs(sick)):
        right+=1
    elif(x[i]>0 and abs(i)<abs(sick)):
        left+=1
if(right<=0 or left<=0):
    print(1)
else:
    print(left+right+1)