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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#503153#8065. Thwack!xiaowuc1AC ✓41ms3972kbC++173.8kb2024-08-03 16:46:502024-08-03 16:46:51

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3620kb

input:

4
BWBW

output:

2
2 3
3 2

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 3488kb

input:

11
.BW.WB..W..

output:

0

result:

ok single line: '0'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

8
BBBBW.BW

output:

1
5 4

result:

ok 2 lines

Test #4:

score: 0
Accepted
time: 0ms
memory: 3532kb

input:

9
BBBBBW.BW

output:

0

result:

ok single line: '0'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3600kb

input:

12
WBBWBWWBBWBW

output:

5
2 1
4 5
5 4
10 11
11 10

result:

ok 6 lines

Test #6:

score: 0
Accepted
time: 0ms
memory: 3828kb

input:

11
WBBWWWBBWBW

output:

5
1 2
4 3
9 10
10 9
11 10

result:

ok 6 lines

Test #7:

score: 0
Accepted
time: 41ms
memory: 3708kb

input:

100
BWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBW

output:

56
2 1
3 2
3 4
6 5
6 7
13 14
14 15
15 14
17 18
18 17
19 18
21 20
25 24
26 25
26 27
29 28
29 30
33 34
35 34
36 37
37 38
38 37
40 41
41 40
42 41
43 44
49 48
49 50
52 51
52 53
58 57
59 60
60 61
61 60
63 64
64 63
65 64
66 67
68 67
72 71
72 73
75 74
75 76
76 77
80 81
82 83
83 84
84 83
86 87
87 86
88 87
9...

result:

ok 57 lines

Test #8:

score: 0
Accepted
time: 35ms
memory: 3700kb

input:

99
BWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWBWB

output:

26
2 1
10 11
11 12
13 14
18 17
20 19
22 21
25 24
34 35
36 37
41 40
43 42
45 44
55 56
57 58
59 60
64 63
66 65
75 76
78 79
80 81
82 83
87 86
89 88
90 89
98 99

result:

ok 27 lines

Test #9:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

1
.

output:

0

result:

ok single line: '0'

Test #10:

score: 0
Accepted
time: 0ms
memory: 3940kb

input:

100
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW

output:

0

result:

ok single line: '0'

Test #11:

score: 0
Accepted
time: 0ms
memory: 3760kb

input:

100
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

output:

0

result:

ok single line: '0'

Test #12:

score: 0
Accepted
time: 0ms
memory: 3676kb

input:

100
....................................................................................................

output:

0

result:

ok single line: '0'

Test #13:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

5
.W.B.

output:

0

result:

ok single line: '0'

Test #14:

score: 0
Accepted
time: 0ms
memory: 3536kb

input:

1
B

output:

0

result:

ok single line: '0'

Test #15:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

1
W

output:

0

result:

ok single line: '0'

Test #16:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

2
BW

output:

2
1 2
2 1

result:

ok 3 lines

Test #17:

score: 0
Accepted
time: 0ms
memory: 3548kb

input:

2
WB

output:

2
1 2
2 1

result:

ok 3 lines

Test #18:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

2
..

output:

0

result:

ok single line: '0'

Test #19:

score: 0
Accepted
time: 0ms
memory: 3552kb

input:

2
BB

output:

0

result:

ok single line: '0'

Test #20:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

2
WW

output:

0

result:

ok single line: '0'

Test #21:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

3
B.W

output:

0

result:

ok single line: '0'

Test #22:

score: 0
Accepted
time: 0ms
memory: 3696kb

input:

98
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWBBWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW

output:

0

result:

ok single line: '0'

Test #23:

score: 0
Accepted
time: 0ms
memory: 3712kb

input:

97
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBWWBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

output:

2
49 48
50 51

result:

ok 3 lines

Test #24:

score: 0
Accepted
time: 0ms
memory: 3772kb

input:

100
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW

output:

2
49 50
51 50

result:

ok 3 lines

Test #25:

score: 0
Accepted
time: 0ms
memory: 3784kb

input:

99
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW

output:

2
49 50
51 50

result:

ok 3 lines

Test #26:

score: 0
Accepted
time: 30ms
memory: 3784kb

input:

100
WWBBWBWBBWWWBWWBWWWWBWWWBBBWWWBWBWWBWBWWBBWBBWBWBWWBBBWWBWWWWWWWWBWBWBBBWWBBWWWWWWWBWBWWWWWWBWWWWBWB

output:

0

result:

ok single line: '0'

Test #27:

score: 0
Accepted
time: 0ms
memory: 3772kb

input:

100
WWB.BBBBWWWBBWWBBWBWWBB.WWWBWBWWB.BBBBBBWBBWBB.W.WWBWWWBWBWBWWWBWBWB..BWB..WWWB.WBWBWW.BWBWW.BBBB..W

output:

0

result:

ok single line: '0'

Test #28:

score: 0
Accepted
time: 34ms
memory: 3664kb

input:

100
WWBWBBWBWBBWBWWWWBWWWBBWBBWBBBWWBBBBBWBBWBBWBBWWWBWWBWWBBWBBBBWWBBWBWBWBBBBWBBBWWWWBBWBBBBWBWWBBWBWB

output:

4
3 4
38 37
38 39
53 54

result:

ok 5 lines

Test #29:

score: 0
Accepted
time: 34ms
memory: 3772kb

input:

100
BBBWBWWWBBBWWWBWWBWWBWBBWBWWBBWWBWBWBBBBWWBWWBWBBBWWWWWBWWWWWWBWBWBBBWWBWBBWBBWBBBBBWBBBBBWBWWBBWBBW

output:

6
32 33
35 36
37 36
47 46
56 57
62 63

result:

ok 7 lines

Test #30:

score: 0
Accepted
time: 1ms
memory: 3688kb

input:

100
..WW.WBB.BBWWWWW.WW.B.WWB...W.BWBB.BBBWWB..BW..W.BWW.BWBW...BBB..W..BB.BBBB.BBBW.W.WW......BWW.W.WW.

output:

9
12 11
38 39
40 41
41 40
44 45
45 44
54 55
57 56
79 80

result:

ok 10 lines

Test #31:

score: 0
Accepted
time: 1ms
memory: 3772kb

input:

100
.WBBWBB..BW.BWBB.BBWW...B.WWWBWBBWWBWWW.W.WWWWB.W.B......W.B.W.W.BB.W..WWBB....WBBWW..WB..BW.B...BBW

output:

3
29 30
33 34
36 35

result:

ok 4 lines

Test #32:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

100
BWB..B.BB..BBWBW.BBW.B.WWB..WB.BWB...BB.BWBBBBBWW.BWWBWW.BWW.BBBW..BW..WW.WBW.BWWWBB.WBB.WWB.W..B.B.

output:

10
13 14
15 16
20 19
26 25
42 43
54 55
58 59
65 64
86 87
92 91

result:

ok 11 lines

Test #33:

score: 0
Accepted
time: 4ms
memory: 3772kb

input:

100
BBBBBBBBBBBWBBBBBBBWBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBWBBBBBBBBBBBBBBBBBWBBBBBBBWBBBBBBB

output:

3
67 66
92 93
94 93

result:

ok 4 lines

Test #34:

score: 0
Accepted
time: 1ms
memory: 3720kb

input:

100
WBWWWWWWWWWW....WWWWWBBBWBWW.W.WWBWWWWWBBWWWBWWWWWWWWB.BWWBW.WBBBWW.WBWWWBBWBW.WWWWWWWWWWWWBWBWWWWWW

output:

2
45 44
54 53

result:

ok 3 lines

Test #35:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

100
W.B.B.W...B.BW.B.BB.WWWBBW.WB...W.B...WW..B.WWWBB..W.WW.B....WBB..WW..B.WWW.BB.BBB.BB.W.BWWBW..WWBW.

output:

0

result:

ok single line: '0'

Test #36:

score: 0
Accepted
time: 1ms
memory: 3776kb

input:

100
WBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

output:

1
2 1

result:

ok 2 lines

Test #37:

score: 0
Accepted
time: 0ms
memory: 3972kb

input:

100
WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWB

output:

1
99 100

result:

ok 2 lines