QOJ.ac

QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#930370	#9925. LR String	wanna be free (Xinxiang Yin, Xiyao Gong, Wenkai Chen)^#	AC ✓	56ms	10752kb	C++14	1.8kb	2025-03-09 18:57:34	2025-03-09 18:57:34

Due to the privacy settings of the submitter, you are not allowed to view this code.

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 0ms

memory: 8012kb

input:

2
RRLLRRLL
4
LLLLL
LLR
LRLR
R
RLLLLLL
3
LLLLL
RL
RRL

output:

NO
YES
NO
YES
YES
YES
NO

result:

ok 7 lines

Test #2:

score: 0

Accepted

time: 32ms

memory: 7888kb

input:

100000
RRLLR
4
R
R
R
R
LRLLL
6
R
L
L
L
L
R
RLLRR
1
L
LRLLL
3
R
L
L
RLRRL
2
LRRRR
RRRL
LRLRR
2
L
R
RRLRL
4
RLRLR
RLLL
LR
RLL
RLRLL
8
R
R
R
L
L
L
R
L
RLLRR
7
R
LL
RL
R
L
L
L
LLRLR
2
L
R
RRRRL
1
RLLLR
RRLLL
2
L
L
RLLRL
1
RLLRL
LRLLL
5
RLRLL
RLLLR
RRRRL
LLRRR
RLLRR
LRLLL
3
RRLL
R
RL
LLRRL
3
L
R
LLLRR
RR...

output:

YES
YES
YES
YES
NO
YES
YES
YES
YES
NO
NO
NO
YES
YES
NO
YES
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
YES
NO
NO
YES
YES
YES
NO
NO
NO
NO...

result:

ok 356450 lines

Test #3:

score: 0

Accepted

time: 43ms

memory: 10204kb

input:

2
RRLRLLLRLRLRLRLLLLRRLLLRLRRLLLLLLRRRRRLRLRLRLLLLRRRLLRLRRLLRRRRRLLRLLRLLLLRLLLLRLLRRRRLRLLRRLRRRLLRRRLLLRLLRRLRLRRRRLRRLRRRLRLRLLLRLRRLRLRRRRRRLRRRRRLLLRLLLLRLRRRLRLRLLLRLRLLLLRLRRLRRLLRLRLRRLLLRRRLLLLLLLRLRRLLLLLRLRRLRLRLRRRLLRLLRLLRRLRRLLRLRLRLRLRRLRRRLLLRLLRLRLRRLRRRLLRRRRRRRRLLRLLRRLLRRLLLLRLR...

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
...

result:

ok 820231 lines

Test #4:

score: 0

Accepted

time: 38ms

memory: 10752kb

input:

2
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...

output:

NO
YES
NO
NO
NO
NO
YES
NO
NO
YES
NO
YES
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
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
YES
NO
NO
NO...

result:

ok 531269 lines

Test #5:

score: 0

Accepted

time: 31ms

memory: 5968kb

input:

100000
LRLLLLRLRR
4
LLRRRRRR
LRLLL
LL
RLR
LLLLLRRLLR
1
RLLR
RRLRLRRRRR
1
LRLLLLRRLR
LRRLLRLRLL
3
RLRL
LLLRR
LRRLRRRL
RRRRLRLRRR
2
RRL
L
RRLLRRRLRL
4
LLLLRRRLRR
LRLLLRLRL
RRLRRLRLLR
RRRRRLLRLR
LLLLLRLLLR
1
LLRRLRLR
RLLLRLLRLL
1
RRLLRLRLLL
RLLRRLLLLL
6
L
L
L
R
R
L
LRLRLRRRRL
1
RLLRRRRRRL
RRLLLLLLRL
2
...

output:

NO
NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
NO
YES
NO
YES
YES
YES
NO
NO
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO
NO
YES
NO
YES
NO
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
NO
Y...

result:

ok 249969 lines

Test #6:

score: 0

Accepted

time: 56ms

memory: 7848kb

input:

100000
RRLLRRLLLR
1
L
RLLLLRRRRR
2
L
L
RLRRLLLRRL
3
L
L
R
LRLRLLRLLL
3
RRLLLLRLLL
L
RLRRLLLRRR
LLLRRLRRRL
4
L
R
L
L
RRLRLLLLLL
1
LLLL
RRLLRRLRLL
27
R
LR
L
R
R
LR
RLL
L
LR
L
L
LL
L
LL
R
R
R
LR
R
RL
LRLRL
L
L
LL
R
R
RRL
RLLRLRRRLL
4
L
LR
LRLRRLRR
R
LLLRRRRRRR
11
R
L
L
R
R
R
L
R
L
L
R
RLRLLLRLRL
8
LL
L...

output:

NO
NO
NO
YES
YES
YES
NO
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
Y...

result:

ok 527043 lines

Test #7:

score: 0

Accepted

time: 31ms

memory: 8020kb

input:

10000
RLLLRRLRLRLLRRLLLRRRRLLLLRRLLLRLRLLLLRRLRLRRLLLRLLLLLLLRLRRLRLLRRLLRRLLRRRLRRLRLRLLLLRRLLRLRRRLLRRLR
37
R
L
R
R
R
R
L
RL
R
R
RLL
R
RRLR
L
LR
R
LR
L
LL
R
LLLL
LRRR
R
LLL
L
LR
LR
RLR
LRRL
R
R
RRL
L
L
L
L
L
RRRRRRRLRLLLLLLLRRRLLLLRRLLRLLRLLRRRRLRLRRRRLRRLLLLLLRLLLLRRRRRRLLRRRLLRRRLLLRRRLRLLRLRRLL...

output:

YES
NO
YES
YES
YES
YES
NO
NO
YES
YES
NO
YES
YES
NO
YES
YES
YES
NO
NO
YES
NO
YES
YES
NO
NO
YES
YES
YES
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
NO
YES
NO
NO
YES
YES
NO
NO
NO
YES
NO
NO
YES
YES
NO
YES
YES
NO
NO
YES
YES
YES
YES
NO
NO
NO
NO
YES
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES...

result:

ok 507876 lines

Test #8:

score: 0

Accepted

time: 32ms

memory: 7936kb

input:

1000
RLRLLLRLLLRRLRLLLRRLRLLLLLLLRLLLLRLRLRLRRLLLLLRRLLRRLRLLLRLRRLRRRLRRRLRLRLLRRRLRLLLRRRLRLRRRRRRLRRLRLLLLLLRRRLRLLRRRRRRLRLRLRLRRLRRLRRLRRRRRRRLLRRLRLLLLLRRRLLRLRRLLRLLLRLLRRLLRRLRLLLRRRLLLLRLLRRRRLRLRLRLRLRLRLRRLRLRLLLRRRLRLLRLLRRLRLLLRRRRRLRRLLLLRRLRRRLRLRLRRRLLRRLRRLLRRLRLRRLRLRRRLLRLRRLLRLLR...

output:

YES
YES
YES
NO
NO
NO
YES
YES
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
NO
NO
YES
NO
YES
NO
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES
NO
NO
YES
NO
YES
NO
YES
YES
YES
YES
NO
YES
NO
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
NO
YES
NO
YES
YES
YES
NO
YES
NO
NO
YES
YES
NO
NO
...

result:

ok 515798 lines

Test #9:

score: 0

Accepted

time: 46ms

memory: 8504kb

input:

10
LRLLRLRRLLRRRLLRRRRLRLLLLRLRLLLRLRRRLLRLRLLLLRRLLLLRRRRRRRRLLLRLRLLLLLRLLRLRRRLRRRRRLRLRRLRLRRRRRLLLLRLRRRRLRLRLRRLRLLRLLRRRRLLRLRRLLRLLRLRLLLRRRRLLLRLLRRRRRLLLRLLLRLLLLLLRLRRLRLLLRRRLLLRLRLLRRLRLRRLRRLRLLLLLLLRRRLLRLLRRRRRRLLRRRRLRLLRLLRRLLRLRLLRRRLRRRRLRRRLRLRLRRLRLLLRLRRRRLLLRRLLRLRRRLRLLRRRRR...

output:

NO
YES
YES
NO
NO
YES
YES
NO
YES
YES
YES
YES
NO
NO
YES
NO
YES
NO
NO
NO
YES
NO
YES
YES
YES
NO
NO
YES
NO
NO
YES
YES
NO
YES
YES
NO
YES
YES
NO
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
NO
YES
NO
NO
NO
NO
YES
NO
YES
NO
NO
YES
YES
NO
NO
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
NO...

result:

ok 779728 lines

Test #10:

score: 0

Accepted

time: 30ms

memory: 8324kb

input:

20
LRRRLLRLRLLLRLRLLRLLRRLLLLRRRRLLRLLLLLRLRLRLRLRLRRRLRRRLRLRLLRLRLRLRRLLRRRLLRRRRLRLLRLLRLRLRRLLRRLLRLRRLLRLLRRLLLRRLLLLLRLRRLLRRRLRRLLLLLLRLLRRRRRLLLLLLRLRLRRLLRRRRRRLRRLLLRRRRLLLLRLRRLRLLLRRLRLLRLRLLRRRRRRLRLLLLLRLLLLLRLRRLLLLLLLLRLLRRLRLLLRRRRLLLRLRLRRRLRRRLLRLRLLLRLRRLRLLLRRRLLLRLRLLRRRRLRLRLL...

output:

NO
YES
YES
NO
YES
NO
NO
NO
YES
NO
YES
YES
YES
NO
YES
YES
NO
YES
NO
YES
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
NO
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES
NO
NO
YES
NO
NO
NO
YES
NO
YES
NO
NO
NO
NO
YES
NO
YES
NO
YES
YES
YES
YES
YES
NO
NO
NO
NO
YES
NO
NO
YES
YES
NO
NO
YES
YES
YES
NO
YES
NO
NO
YES
YES
NO
YES
NO
YES
...

result:

ok 447294 lines

Test #11:

score: 0

Accepted

time: 33ms

memory: 10448kb

input:

4
RRRRLLRRRRLLRLLLLRRLLLRLRLLLLRRRLLRRRRRRRLLLLRLRLRRLRLLLRLLLLRLRRLRRLRLRRRRLRLLLRLLLLLLLLLLLRRRLLLRRLRLRLRLRRLRLRRLLRRLRRRLLRLLRLRLRRLLRLLLLLLLRRRLLLLLRRLRRLLLRRRLRLLLLLLRLRRRRRLRLLRRLRRRRRLLRRRRLLLRRLLLRRRLLLLRLRRLRLLLLLRLLRLRLRRRLRRRRLLLLLLRRRRLRLRRRLRLLRRRLRRRRRRRRRRRLLRLRRRLRLLRLLRRRRRLRLLRRRL...

output:

YES
YES
NO
YES
NO
NO
NO
NO
NO
YES
YES
NO
NO
YES
YES
YES
YES
NO
YES
NO
YES
YES
NO
YES
YES
NO
NO
NO
YES
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
NO
NO
YES
NO
YES
NO
NO
YES
YES
YES
YES
YES
NO
YES
NO
NO
YES
YES
YES
NO
NO
YES
NO
NO
YES
NO
YES
NO
NO
YES
YES
YES
YES
NO
NO
YES
YES
NO
YES
NO
YES
NO
NO
NO
NO
NO
...

result:

ok 508901 lines

Test #12:

score: 0

Accepted

time: 50ms

memory: 10340kb

input:

3
RLLRRRLRRLLLRLLRRRLLRLLLRRLLRRRLRLLRLLRLRRRRRLRLRLLLRLRLRRLRLLLRLLRRRRLLRLLRLRRRRLLLRLLLLRLLRRRLRRRRRRRLRLRRRLRRRLLLLRRLRLRLRLLRRRLLLLRRLRLRLLLRLRRRLLLLLLLLLRLRLLLRRLLRLLLRLRRLRLLRRLLLLLRRRRRRRLLRRRLRRRLLRRRRRRLRRRLLLRRRLLRLRLRRLLRLRLRRLRRLLRRRLRLLLLLLRLLLRRLLLRLRRRRLLRRRLLRRLRRRRLLLLRLLLLLRLRLLRR...

output:

NO
NO
NO
YES
YES
NO
NO
YES
NO
YES
YES
YES
NO
YES
YES
YES
NO
YES
YES
YES
NO
YES
NO
NO
NO
NO
YES
NO
YES
NO
NO
YES
NO
NO
YES
YES
NO
YES
YES
NO
NO
NO
NO
NO
YES
NO
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
NO
NO
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO
YES
YES
YES
YES
NO
NO
YES
NO
YES
N...

result:

ok 941609 lines

Test #13:

score: 0

Accepted

time: 45ms

memory: 9580kb

input:

2
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
...

result:

ok 858650 lines

Test #14:

score: 0

Accepted

time: 3ms

memory: 10692kb

input:

2
RRLLLLRRRLLLLLLRRRRLRRRRLLLLRRLRLLLRLLLLLRLLRLRLRRLLLRLRLLRRLRRRRLLLLRRRRLRLLRLRRRRRLRLRRLLLLRRRRLRRRRRRLRRLRLRLRLRRRRLLLRLLRLRLRRRLRLRRLRRRLLLRRLLLRRLLLRLLLRRRRLLRRRLLLRRLLLLRRLRRLLRLRLLRLRLLLRLLRRLRLRLLRRLRRLLRRLLLRLRRLLLRLRLRRRRRLRLRRLLRRLLLRLRRLRLRLRLRLRLRRLLRRLLLRLRRRRLRLLLRLRRRLLLRRLLLLRLRRR...

output:

NO
NO

result:

ok 2 lines

Test #15:

score: 0

Accepted

time: 3ms

memory: 10372kb

input:

2
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

output:

YES
YES
YES
YES
NO
NO
YES
YES
YES
NO

result:

ok 10 lines

Test #16:

score: 0

Accepted

time: 3ms

memory: 10752kb

input:

1
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...

output:

NO
YES
YES
YES
NO

result:

ok 5 lines

Test #17:

score: 0

Accepted

time: 6ms

memory: 9672kb

input:

2
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...

output:

YES
NO
NO
NO
YES
YES
YES
YES
YES
YES

result:

ok 10 lines

Test #18:

score: 0

Accepted

time: 3ms

memory: 9332kb

input:

1
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

output:

YES
YES
YES
NO
YES

result:

ok 5 lines

Test #19:

score: 0

Accepted

time: 2ms

memory: 10752kb

input:

2
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...

output:

NO
YES

result:

ok 2 lines

Test #20:

score: 0

Accepted

time: 0ms

memory: 10748kb

input:

1
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...

output:

YES

result:

ok single line: 'YES'

Extra Test:

score: 0

Extra Test Passed