201912-2 CCF认证考试 回收站选址 Python版

满分（100）答案：

n = input()
n = int(n)
point = [[0 for i in range(2)] for j in range(n)]
score_0 = 0
score_1 = 0
score_2 = 0
score_3 = 0
score_4 = 0
for i in range(n):
	x,y = input().split()
	x,y = int(x),int(y)
	point[i][0]=x
	point[i][1]=y
for i in range(len(point)):
	a = point[i][0]  
	b = point[i][1]
	s = 0
	ss = 0
	if ([a,b+1] in point) and ([a,b-1] in point) and ([a-1,b] in point) and ([a+1,b] in point):
		ss = 1
		if ([a+1,b+1] in point):
			s = s+1
		if ([a-1,b-1] in point):
			s = s+1
		if ([a+1,b-1] in point):
			s = s+1
		if ([a-1,b+1] in point):
			s = s+1
	if s==0 and ss ==1:
		score_0 = score_0 + 1
	if s==1 and ss ==1:
		score_1 =score_1 + 1
	if s==2 and ss ==1:
		score_2 =score_2 + 1
	if s==3 and ss ==1:
		score_3 =score_3 + 1
	if s==4 and ss ==1:
		score_4 =score_4 + 1
print(score_0)
print(score_1)
print(score_2)
print(score_3)
print(score_4)