Help us understand the problem. What is going on with this article?

# 第16回オフラインリアルタイムどう書くの参考問題をPythonで解く

```#!/usr/bin/env python
#-*- coding:utf-8 -*-

def cut(m):
'''Search a maximum rectangle area on 0 at the upper left corner'''
area = 0
x = m[0].index('BLACK')
for y in xrange(1, len(m)):
if 'BLACK' in m[y][:x]:
area = max(area, x * y)
x = m[y].index('BLACK')
return area

def solve(data):
points = [map(int, p) for p in data.split(',')]
points_x, points_y = zip(*points)
min_x, min_y = min(points_x), min(points_y)
max_x, max_y = max(points_x), max(points_y)
w, h = (max_x - min_x + 1), (max_y - min_y + 1)
area = w * h
if area == 1: return str(3)
m = map(list, [['WHITE'] * w] * h)
for x, y in points: m[y - min_y][x - min_x] = 'BLACK'
c = max(cut(m),                             # original   for upper left
cut(m[::-1]),                       # reverse Y  for lower left
cut([x[::-1] for x in m]),          # reverse X  for upper right
cut([x[::-1] for x in m[::-1]]))    # reverse XY for lower right
return str(area - c) if c > 0 else str(area + 1) if area < 10 * 10 else '-'

def test(data, correct):

if __name__ == "__main__":
0, test( "41,33,26,55,74,58,68", "39" );
1, test( "00,99,09,90", "-" );
2, test( "09", "3" );
3, test( "05,05,05", "3" );
4, test( "45", "3" );
5, test( "38,39", "3" );
6, test( "38,47", "3" );
7, test( "45,66", "4" );
8, test( "12,34,56,78", "33" );
9, test( "12,34,56,78,45", "37" );
10, test( "00,09,00", "11" );
11, test( "00,90", "11" );
12, test( "99,09", "11" );
13, test( "99,90", "11" );
14, test( "11,12,21,22", "5" );
15, test( "42,45,92,95,83,62", "25" );
16, test( "42,45,92,83,62", "14" );
17, test( "34,38,78,74,56,35,77,48,54", "26" );
18, test( "38,78,74,56,35,77,48,54", "23" );
19, test( "31,41,21,71,21", "7" );
20, test( "46,45,42,44,45", "6" );
21, test( "00,99,09", "19" );
22, test( "99,09,90,24", "64" );
23, test( "99,16,61,34,17,24,42,26,18,71,19,91,81,43,33,62,52,25", "75" );
24, test( "55,43,16,91,61,19,24,18,33,34,71,81,42,62,52,26,17,25", "53" );
25, test( "71,26,81,62,17,16,25,42,33,52,19,18,91,24,61,34,43", "45" );
26, test( "39,49,19,93,78,58,48,91,95,29,68,92,86,87,94,77", "39" );
27, test( "69,89,25,26,58,12,37,36,68,24,11,13,48,14,79", "37" );
28, test( "58,67,92,38,83,29,91,76,84,57,75,48,85,19,66", "51" );
29, test( "00,83,76,85,48,19,75,29,92,57,66,67,91,58,38,84", "91" );
30, test( "11,92,57,38,58,66,91,67,84,48,83,19,75,85,76,29", "72" );
31, test( "36,07,45", "9" );
32, test( "57,23,24,74", "21" );
33, test( "92,20,32,12,65", "39" );
34, test( "24,54,66,48,54,15", "21" );
35, test( "05,17,42,20,48,22,13", "39" );
36, test( "53,84,55,56,25,14,84,43", "26" );
37, test( "06,77,56,59,15,24,09,66,71", "51" );
38, test( "53,36,47,45,45,67,66,46,63,75", "21" );
39, test( "35,53,93,33,02,84,83,48,54,32,28", "50" );
40, test( "55,74,32,84,41,64,24,44,15,14,26,53", "39" );
41, test( "47,60,34,32,19,67,24,83,94,38,47,05,79", "88" );
42, test( "63,32,42,74,66,64,35,41,74,25,48,62,44,54", "42" );
43, test( "00,86,16,19,09,92,51,10,68,23,14,63,21,46,03", "91" );
44, test( "56,46,54,14,15,25,53,84,58,85,44,37,54,76,26,76", "42" );
45, test( "71,87,39,43,76,38,91,69,98,33,43,26,56,69,73,52,89", "66" );
46, test( "43,26,84,64,52,48,36,23,66,53,41,57,76,36,84,57,35,41", "47" );
47, test( "81,02,85,93,36,46,80,27,72,28,02,99,13,41,36,40,18,97,38", "91" );
48, test( "63,46,75,58,42,26,58,37,14,75,35,63,32,36,52,46,85,14,48,23", "47" );
49, test( "66,92,64,12,17,33,10,28,75,05,81,05,42,86,52,57,56,78,87,81,10", "82" );
50, test( "48,25,58,76,15,74,43,44,24,62,33,67,34,34,42,48,37,33,51,43,46,67", "50" );
```

Why not register and get more from Qiita?
1. We will deliver articles that match you
By following users and tags, you can catch up information on technical fields that you are interested in as a whole
2. you can read useful information later efficiently
By "stocking" the articles you like, you can search right away