True Square in a Binary Matrix

Hacker
Rank
Score
Time
61
flag of India
18.464
48:22
62
flag of India
18.464
48:26
63
flag of India
18.464
48:45
64
flag of Russian Federation
18.464
48:50
65
flag of India
18.464
49:30
66
flag of Ukraine
18.464
49:48
67
flag of India
18.464
50:59
68
flag of India
18.464
51:10
69
flag of United States
18.464
51:49

[deleted]

70
flag of Iran
18.464
51:57
71
flag of France
18.464
52:59

[deleted]

72
flag of null
18.464
54:04
73
flag of United States
18.464
54:25
74
flag of India
18.464
54:26
75
flag of India
18.464
55:35
76
flag of India
18.464
55:53
77
flag of Japan
18.464
56:12
78
flag of India
12.304
42:39
79
flag of India
12.304
42:40
80
flag of India
12.304
54:48
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