cp 101

1.py

def main():
    fs = open("flowers.inp", "r")
    n = int(fs.readline())
    a = list(map(int, fs.readline().split(" ")))
    for i, c in enumerate(a[:-3]):
        if c == a[i+1] == a[i+2] and c != a[i+3]:
            print(n - i -1)
            return
    print(n)
main()

2.py

def main():
    fs=open("DOANCON2.py", "r")
    n=int(fs.readline())
    a=map(int,fs.readline().split(" "))
    ls=a[0]>0
    th=0
    bth=0
    for i,a in enumerate(list(a)[:-2]):
        if a>0 != ls:
            ls = a>0
            th+=1
        elif th > bth: 
            bth = th
            th = 0
    print(bth)
main()