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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#835562#9926. Flipping Pathsucup-team5323#AC ✓56ms6544kbC++144.6kb2024-12-28 12:54:092024-12-28 12:54:10

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3588kb

input:

4
3 3
WBB
BWB
BBW
1 5
WWWWW
2 2
BB
BB
4 1
W
B
B
W

output:

YES
398
RRDD
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DD...

result:

ok ok (4 test cases)

Test #2:

score: 0
Accepted
time: 3ms
memory: 3740kb

input:

323
1 2
BB
1 2
BW
1 2
WB
1 2
WW
2 1
B
B
2 1
B
W
2 1
W
B
2 1
W
W
1 3
BBB
1 3
BBW
1 3
BWB
1 3
BWW
1 3
WBB
1 3
WBW
1 3
WWB
1 3
WWW
2 2
BB
BB
2 2
BB
BW
2 2
BB
WB
2 2
BB
WW
2 2
BW
BB
2 2
BW
BW
2 2
BW
WB
2 2
BW
WW
2 2
WB
BB
2 2
WB
BW
2 2
WB
WB
2 2
WB
WW
2 2
WW
BB
2 2
WW
BW
2 2
WW
WB
2 2
WW
WW
3 1
B
B
B
3 ...

output:

YES
398
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
...

result:

ok ok (323 test cases)

Test #3:

score: 0
Accepted
time: 2ms
memory: 3664kb

input:

278
2 4
BWBW
WWBB
2 4
BWBW
WWBW
2 4
BWBW
WWWB
2 4
BWBW
WWWW
2 4
BWWB
BBBB
2 4
BWWB
BBBW
2 4
BWWB
BBWB
2 4
BWWB
BBWW
2 4
BWWB
BWBB
2 4
BWWB
BWBW
2 4
BWWB
BWWB
2 4
BWWB
BWWW
2 4
BWWB
WBBB
2 4
BWWB
WBBW
2 4
BWWB
WBWB
2 4
BWWB
WBWW
2 4
BWWB
WWBB
2 4
BWWB
WWBW
2 4
BWWB
WWWB
2 4
BWWB
WWWW
2 4
BWWW
BBBB
2 ...

output:

NO
NO
NO
NO
NO
NO
YES
399
RRRD
RRDR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR
DRRR...

result:

ok ok (278 test cases)

Test #4:

score: 0
Accepted
time: 0ms
memory: 5904kb

input:

333
3 3
BBW
WWB
BWB
3 3
BBW
WWB
BWW
3 3
BBW
WWB
WBB
3 3
BBW
WWB
WBW
3 3
BBW
WWB
WWB
3 3
BBW
WWB
WWW
3 3
BBW
WWW
BBB
3 3
BBW
WWW
BBW
3 3
BBW
WWW
BWB
3 3
BBW
WWW
BWW
3 3
BBW
WWW
WBB
3 3
BBW
WWW
WBW
3 3
BBW
WWW
WWB
3 3
BBW
WWW
WWW
3 3
BWB
BBB
BBB
3 3
BWB
BBB
BBW
3 3
BWB
BBB
BWB
3 3
BWB
BBB
BWW
3 3
BWB
...

output:

YES
399
RRDD
RRDD
RDRD
DRDR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DD...

result:

ok ok (333 test cases)

Test #5:

score: 0
Accepted
time: 2ms
memory: 3740kb

input:

266
3 3
WWB
WWW
WWW
3 3
WWW
BBB
BBB
3 3
WWW
BBB
BBW
3 3
WWW
BBB
BWB
3 3
WWW
BBB
BWW
3 3
WWW
BBB
WBB
3 3
WWW
BBB
WBW
3 3
WWW
BBB
WWB
3 3
WWW
BBB
WWW
3 3
WWW
BBW
BBB
3 3
WWW
BBW
BBW
3 3
WWW
BBW
BWB
3 3
WWW
BBW
BWW
3 3
WWW
BBW
WBB
3 3
WWW
BBW
WBW
3 3
WWW
BBW
WWB
3 3
WWW
BBW
WWW
3 3
WWW
BWB
BBB
3 3
WWW
...

output:

NO
NO
NO
NO
YES
399
RRDD
DRRD
DRDR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
DDRR
...

result:

ok ok (266 test cases)

Test #6:

score: 0
Accepted
time: 1ms
memory: 3744kb

input:

245
4 2
WW
BB
WB
BW
4 2
WW
BB
WB
WB
4 2
WW
BB
WB
WW
4 2
WW
BB
WW
BB
4 2
WW
BB
WW
BW
4 2
WW
BB
WW
WB
4 2
WW
BB
WW
WW
4 2
WW
BW
BB
BB
4 2
WW
BW
BB
BW
4 2
WW
BW
BB
WB
4 2
WW
BW
BB
WW
4 2
WW
BW
BW
BB
4 2
WW
BW
BW
BW
4 2
WW
BW
BW
WB
4 2
WW
BW
BW
WW
4 2
WW
BW
WB
BB
4 2
WW
BW
WB
BW
4 2
WW
BW
WB
WB
4 2
WW
B...

output:

NO
NO
YES
399
RDDD
DRDD
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
DDDR
D...

result:

ok ok (245 test cases)

Test #7:

score: 0
Accepted
time: 1ms
memory: 3576kb

input:

200
5 3
BBB
BBB
WBW
BBW
BBW
5 3
BBB
BBB
WBW
BBW
BWB
5 3
BBB
BBB
WBW
BBW
BWW
5 3
BBB
BBB
WBW
BBW
WBB
5 3
BBB
BBB
WBW
BBW
WBW
5 3
BBB
BBB
WBW
BBW
WWB
5 3
BBB
BBB
WBW
BBW
WWW
5 3
BBB
BBB
WBW
BWB
BBB
5 3
BBB
BBB
WBW
BWB
BBW
5 3
BBB
BBB
WBW
BWB
BWB
5 3
BBB
BBB
WBW
BWB
BWW
5 3
BBB
BBB
WBW
BWB
WBB
5 3
BBB
...

output:

NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
...

result:

ok ok (200 test cases)

Test #8:

score: 0
Accepted
time: 1ms
memory: 3684kb

input:

200
5 4
BWWB
WBWW
WBWW
WBWW
WBBW
5 4
BWWB
WBWW
WBWW
WBWW
WBWB
5 4
BWWB
WBWW
WBWW
WBWW
WBWW
5 4
BWWB
WBWW
WBWW
WBWW
WWBB
5 4
BWWB
WBWW
WBWW
WBWW
WWBW
5 4
BWWB
WBWW
WBWW
WBWW
WWWB
5 4
BWWB
WBWW
WBWW
WBWW
WWWW
5 4
BWWB
WBWW
WBWW
WWBB
BBBB
5 4
BWWB
WBWW
WBWW
WWBB
BBBW
5 4
BWWB
WBWW
WBWW
WWBB
BBWB
5 4
BW...

output:

NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
398
RRDRDDD
DDRRDRD
DDRDRDR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDDDRRR
DDD...

result:

ok ok (200 test cases)

Test #9:

score: 0
Accepted
time: 45ms
memory: 6464kb

input:

5
200 200
WBWWWBWBWWWWBWWWBBBBBBWBWWBWWBBWBWWBWBBBWBBWBBWBWBBWWWWWWBWWWBBWBWBWBWBBWBWWBWWBWBBBWWWBWBBWWBBBBBWWBBBBWWBBWBWWWBBWBWBWWWWBBWBWWBWWWWWBWWBBBBBWBBWBWWWWWBWWWBWBWWBBBBWWBWWWWBWBBWBWBBWWBWWBBWBWBWWBWBWB
BBWBBBBBWBWWWWWWWWWWBBWWWWBWWBWWBBBBBWWWBWBWWBBWBBWWBBBBBWWBWBWBWWBWBWBBBBWWWWBWBBBBBWBBB...

output:

YES
398
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

result:

ok ok (5 test cases)

Test #10:

score: 0
Accepted
time: 56ms
memory: 6152kb

input:

5
200 200
WBWBWWBBBWWWWBWWWBBBBWWWWBWWBBBBWWBWWWWBWWBWWBWBBWBWWWWWWBBBWWWBWBBWBBBBBBWBBBWWBWBWBWWWWWWBBWBWWBWWBWWBWBBWBWBWWWWWBBWBWBWWWBWBBBBWWBBBBWWWWBBBBBWWWBBWWBBBBWWWBWBWBWWWBWBBWBBBBWWWWBWBWWBBBWBBBBWBBWWW
BWBBWBWBWWBWWWBWBWBWBBWBWWWWWBBWBBWBBBWWBWBBBWWWBWWWBBBBWWWBBWWBBBWWBWBWWWWBBBWWBBWWBWWWB...

output:

YES
398
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRDRRRDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

result:

ok ok (5 test cases)

Test #11:

score: 0
Accepted
time: 41ms
memory: 6544kb

input:

5
200 200
WBBWWBBBBBBBBWWBBBWBWBBWWBBBBWBWBWBWBWBBBBBWBWWBWBBWWBBWBWBWBBBWWWWBWWBBWWBBWWWBBWBBWBBWBWWBBBBBWBBBWBBWWWBWWWWBWBWBWWBWWWBBBWBBWWWBBBBWWBWBBBBBWBWBWWBWWBWWWBBBBWBWBBWWBBWWWWWWBBWBBBBBWBBWBBWWBWBWBWBW
BBBWWBWBWBWBBBWBBBBWWWWWWBBWWWWWBWWBBWWBWBWWBBWBBBBBBBWBWWBWWBBBWWWWWWBWBWWBBWBBBWBBWBBWW...

output:

YES
398
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRDDDRDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...

result:

ok ok (5 test cases)

Test #12:

score: 0
Accepted
time: 49ms
memory: 6384kb

input:

8
156 104
WWWBWWWBWBWBWWBWBWWBBBWBWWWBBWWBBWWWBBWWBBBBWBWWWWBWBBBBBWWWBBWBBWBBBWBWWBWWBWWBBWBWBWBWBBWWBWWWWBBBWBBW
WBBWWBBWWBWBWWBWWBBWBBWBWWWWWWWWWBBWBBBBWWBBBBWBBBBWBBWWBBBWWWBWWWWBBWWWBWBWWBWBBWWWWBBBWWBBWWWBBWWBBWWW
BBBWBBBWWWBBBBWBBWBBWWBWWBBWBBWWWBWWBBBBWBBWWWBBWWWBBBBBBBBBBBWWWBBWBWWWWBWBBWWW...

output:

YES
398
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRDDRDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

result:

ok ok (8 test cases)

Test #13:

score: 0
Accepted
time: 42ms
memory: 6336kb

input:

5
114 120
BWWBBWWWWBWBBWWBWBBBBWBWWBBBWBWBWBWBWWBWWBWWWBBWBBBBBWBBBBBWWWBWWBBBWBWWBBBBBWWBWBBWBBBWBWBWBBWWBWBWWWWBWWWBBBWBWWWBWBBB
WBWWWBBBBBBBWBBBWWBWWWWWBWWBWWBBBBBBBWBBBWBWBWBBBBWBWBBWBBBWWBWWWWWBWWWBWBBBBBBWBWBWBBWWBBWBBBWWBWBWWWBWWBBBWWWWBWWBWWWB
WBWBBBWWWBBBBBBWWWBBBBWBWBBWWBWBWWBWWWWBBWBBWBWW...

output:

YES
398
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRDRRDRDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

result:

ok ok (5 test cases)

Test #14:

score: 0
Accepted
time: 18ms
memory: 4452kb

input:

100
18 3
BBB
BWW
WWB
BWB
WWW
WBW
WBB
WBW
BWW
BWB
BBB
BBW
BWW
BWB
BBW
BBW
WWB
BBB
33 19
BBBBWWBWWBWBBBWWWWB
BBWWBWBBBBBWWBBBWBB
BBBWWBBBWBWBBWBBWBB
WWWBWWWBWBBWBBBBWBB
WBBBWWWBWWWBWBBWBBW
WWWBBBWWBBBWBWBBBWW
WWBBWWWWBWBBBBWWWBW
BWWBBWWBBWBBBWBWBWB
BWWWBBBBWBBWBWWWBBW
BWBBBBBWBBBWBWBWBWW
BBBBWBWBBBBWB...

output:

YES
398
DRRDDDDDDDDDDDDDDDD
DDRRDDDDDDDDDDDDDDD
DDDRDRDDDDDDDDDDDDD
DDDDDDRRDDDDDDDDDDD
DDDDDDRDRDDDDDDDDDD
DDDDDDDRDDRDDDDDDDD
DDDDDDDDDDDRRDDDDDD
DDDDDDDDDDDRDDRDDDD
DDDDDDDDDDDDDDRRDDD
DDDDDDDDDDDDDDRDDRD
DDDDDDDDDDDDDDDRDDR
DDDDDDDDDDDDDDDDRDR
DDDDDDDDDDDDDDDDDRR
DDDDDDDDDDDDDDDDDRR
DDDDDDDDDDDD...

result:

ok ok (100 test cases)

Test #15:

score: 0
Accepted
time: 29ms
memory: 4624kb

input:

50
1 14
BBBBBBBBBBBBBB
15 3
WWW
WBB
BBB
WWB
BBB
WBB
WWW
BBW
BWB
WBW
WWW
WBB
BBB
WWB
BBW
3 19
WBWBBBWWBBWBWBWBBWB
BBBWWWBWBBWWBBWBBWW
BWBBWBBWBBWWBBWBBWW
77 21
WWWBBBBBWBWBWBWWWWWWW
WBBWBBBWWBBWBWBWWWWBW
BBBWBWWWWWWWWBWBWBBBW
BWBBBWBWWWWBBBWBBBBWW
WBBWWWBWWBWWBWWBBBBWB
WWWBBBWBBWBBBBBBWBWBB
BWWWWWBWW...

output:

YES
398
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRRR
RRRRRRRRRRRR...

result:

ok ok (50 test cases)

Test #16:

score: 0
Accepted
time: 33ms
memory: 6264kb

input:

10
2 23
BBWWBBWWWBWBWBBWBBBWWBW
BWWBBWWWBWBWBBWBBBWWBWB
87 44
BBWBWBWBWWWWWWBWWBBBWBBBBWWWWBBBBBBWBWWWWBWW
BBWBBBWBWBWBBWWBBBWWBWWWWBWBBBBWWWWBBBBBWBWW
WBWBBWBWBBBWBWWWBBBBWWBWBWWBWBWWWWWBBBWWBBWB
WBWWWWWWBWWWBBBBBWBBBWBBWWWBBBBBBBWWWWWWWWWB
BWBWWBBWBBBBBBBBWBBBWBBWWBBBBBWBWBWBBWWBWBWW
BBBWBBBBBBWWB...

output:

YES
398
RRRRRRRRRRRRRRRRRRRRRRD
RRRRRRRRRRRRRRRRRRRRRDR
RRRRRRRRRRRRRRRRRRRRDRR
RRRRRRRRRRRRRRRRRRDRRRR
RRRRRRRRRRRRRRRDRRRRRRR
RRRRRRRRRRRRRRDRRRRRRRR
RRRRRRRRRRRRDRRRRRRRRRR
RRRRRRRRRRRDRRRRRRRRRRR
RRRRRRRRRRDRRRRRRRRRRRR
RRRRRRRRRDRRRRRRRRRRRRR
RRRRRRRRDRRRRRRRRRRRRRR
RRRRRDRRRRRRRRRRRRRRRRR
RRRD...

result:

ok ok (10 test cases)

Extra Test:

score: 0
Extra Test Passed