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specified output

edited Nov 8, 2019 at 18:24

Python 3, 87(削除) 96 (削除ここまで)(削除) 87 (削除ここまで) 85 bytes

def f(a):
	c=p=0
	for x in a:
		if p*x:return
		p|=x;c+=1
		if c>=p>0:c=p=0
	return p<1p

-5 bytes thanks to 79037662.

-6 bytes thanks to HyperNeutrino.

None and positive are falsy, 0 is truthy.

def f(a):
	c=p=0
	for x in a:
		if p*x:return
		p|=x;c+=1
		if c>=p>0:c=p=0
	return p<1

def f(a):
	c=p=0
	for x in a:
		if p*x:return
		p|=x;c+=1
		if c>=p>0:c=p=0
	return p

-5 bytes thanks to 79037662.

-6 bytes thanks to HyperNeutrino.

None and positive are falsy, 0 is truthy.

fixed second if statement

edited Nov 8, 2019 at 18:18

edited Nov 8, 2019 at 18:18

def f(a,c=0,p=0):
	c=p=0
	for x in a:
		if p and xp*x:return
		p|=x;c+=1
		if p and c>=pc>=p>0:c=p=0
	return p<1

def f(a,c=0,p=0):
	for x in a:
		if p and x:return
		p|=x;c+=1
		if p and c>=p:c=p=0
	return p<1

def f(a):
	c=p=0
	for x in a:
		if p*x:return
		p|=x;c+=1
		if c>=p>0:c=p=0
	return p<1

answered Nov 8, 2019 at 16:26

answered Nov 8, 2019 at 16:26

def f(a,c=0,p=0):
	for x in a:
		if p and x:return
		p|=x;c+=1
		if p and c>=p:c=p=0
	return p<1