CSES - Aalto Competitive Programming 2025 - wk9 - Mon

Submission details
Task:	Chess board tour
Sender:	Abduvohid
Submission time:	2025-11-03 17:07:14 +0200
Language:	Python3 (PyPy3)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict	time
#1	ACCEPTED	0.04 s	details
#2	ACCEPTED	0.04 s	details
#3	ACCEPTED	0.04 s	details
#4	ACCEPTED	0.04 s	details
#5	ACCEPTED	0.04 s	details
#6	ACCEPTED	0.04 s	details
#7	ACCEPTED	0.04 s	details
#8	ACCEPTED	0.04 s	details
#9	ACCEPTED	0.04 s	details
#10	ACCEPTED	0.04 s	details
#11	ACCEPTED	0.04 s	details
#12	ACCEPTED	0.04 s	details
#13	ACCEPTED	0.04 s	details
#14	ACCEPTED	0.04 s	details
#15	ACCEPTED	0.04 s	details
#16	ACCEPTED	0.04 s	details
#17	WRONG ANSWER	0.04 s	details
#18	WRONG ANSWER	0.04 s	details
#19	ACCEPTED	0.04 s	details
#20	ACCEPTED	0.04 s	details
#21	WRONG ANSWER	0.04 s	details
#22	ACCEPTED	0.04 s	details
#23	WRONG ANSWER	0.04 s	details
#24	ACCEPTED	0.04 s	details
#25	ACCEPTED	0.04 s	details
#26	ACCEPTED	0.04 s	details
#27	WRONG ANSWER	0.05 s	details
#28	WRONG ANSWER	0.05 s	details
#29	WRONG ANSWER	0.04 s	details
#30	WRONG ANSWER	0.04 s	details
#31	ACCEPTED	0.04 s	details
#32	ACCEPTED	0.04 s	details
#33	WRONG ANSWER	0.05 s	details
#34	WRONG ANSWER	0.04 s	details
#35	WRONG ANSWER	0.04 s	details
#36	WRONG ANSWER	0.04 s	details
#37	ACCEPTED	0.04 s	details
#38	WRONG ANSWER	0.08 s	details
#39	WRONG ANSWER	0.05 s	details
#40	WRONG ANSWER	0.05 s	details
#41	WRONG ANSWER	0.20 s	details
#42	WRONG ANSWER	0.04 s	details
#43	WRONG ANSWER	0.19 s	details
#44	ACCEPTED	0.04 s	details
#45	WRONG ANSWER	0.04 s	details
#46	ACCEPTED	0.04 s	details
#47	TIME LIMIT EXCEEDED	--	details
#48	TIME LIMIT EXCEEDED	--	details
#49	TIME LIMIT EXCEEDED	--	details
#50	WRONG ANSWER	0.26 s	details
#51	TIME LIMIT EXCEEDED	--	details
#52	ACCEPTED	0.04 s	details
#53	TIME LIMIT EXCEEDED	--	details
#54	WRONG ANSWER	0.09 s	details
#55	WRONG ANSWER	0.06 s	details
#56	WRONG ANSWER	0.05 s	details

Code

n, m = map(int, input().split())

directions = {'U': (-1, 0), 'D': (1, 0),
              'L': (0, -1), 'R': (0, 1)}

if (n * m) % 2 != 0:
    print(-1)
else:
    res = ""
    if n == 1 and m == 2:
        print('RL')
    
    elif n == 2 and m == 1:
        print('DU')
    
    else:
        for i in range(n-1):
            res += 'D'
        for i in range(m-1):
            res += 'R'

        if m > 2:
            for i in range(n-3):

                res += 'U'

                for i in range(m-2):
                    res += 'L'
                res += 'U'
                for i in range(m-2):
                    res += 'R'
            res += 'U'
        else:
            for i in range(n-1):
                res += 'U'
        
        for i in range(m-1):
            res += 'L'
        print(res)

Test details

Test 1

Verdict: ACCEPTED

input
`2 2` view save

correct output
`DRUL` view save

user output
`DRUL` view save

Test 2

Verdict: ACCEPTED

input
`2 2` view save

correct output
`DRUL` view save

user output
`DRUL` view save

Test 3

Verdict: ACCEPTED

input
`2 3` view save

correct output
`RRDLLU` view save

user output
`DRRULL` view save

Test 4

Verdict: ACCEPTED

input
`2 2` view save

correct output
`DRUL` view save

user output
`DRUL` view save

Test 5

Verdict: ACCEPTED

input
`4 4` view save

correct output
`DDDRUURDDRUUULLL` view save

user output
`DDDRRRULLURRULLL` view save

Test 6

Verdict: ACCEPTED

input
`3 3` view save

correct output
`-1` view save

user output
`-1` view save

Test 7

Verdict: ACCEPTED

input
`4 4` view save

correct output
`DDDRUURDDRUUULLL` view save

user output
`DDDRRRULLURRULLL` view save

Test 8

Verdict: ACCEPTED

input
`3 5` view save

correct output
`-1` view save

user output
`-1` view save

Test 9

Verdict: ACCEPTED

input
`3 2` view save

correct output
`DDRUUL` view save

user output
`DDRUUL` view save

Test 10

Verdict: ACCEPTED

input
`4 2` view save

correct output
`DDDRUUUL` view save

user output
`DDDRUUUL` view save

Test 11

Verdict: ACCEPTED

input
`5 5` view save

correct output
`-1` view save

user output
`-1` view save

Test 12

Verdict: ACCEPTED

input
`2 2` view save

correct output
`DRUL` view save

user output
`DRUL` view save

Test 13

Verdict: ACCEPTED

input
`5 5` view save

correct output
`-1` view save

user output
`-1` view save

Test 14

Verdict: ACCEPTED

input
`2 2` view save

correct output
`DRUL` view save

user output
`DRUL` view save

Test 15

Verdict: ACCEPTED

input
`5 2` view save

correct output
`DDDDRUUUUL` view save

user output
`DDDDRUUUUL` view save

Test 16

Verdict: ACCEPTED

input
`2 3` view save

correct output
`RRDLLU` view save

user output
`DRRULL` view save

Test 17

Verdict: WRONG ANSWER

input
`6 7` view save

correct output
`RRRRRRDLLLLLDRRRRRDLLLLLDRRRRR...` view save

user output
`DDDDDRRRRRRULLLLLURRRRRULLLLLU...` view save

Test 18

Verdict: WRONG ANSWER

input
`5 10` view save

correct output
`DDDDRUUURDDDRUUURDDDRUUURDDDRU...` view save

user output
`DDDDRRRRRRRRRULLLLLLLLURRRRRRR...` view save

Test 19

Verdict: ACCEPTED

input
`5 3` view save

correct output
`-1` view save

user output
`-1` view save

Test 20

Verdict: ACCEPTED

input
`6 2` view save

correct output
`DDDDDRUUUUUL` view save

user output
`DDDDDRUUUUUL` view save

Test 21

Verdict: WRONG ANSWER

input
`10 10` view save

correct output
`DDDDDDDDDRUUUUUUUURDDDDDDDDRUU...` view save

user output
`DDDDDDDDDRRRRRRRRRULLLLLLLLURR...` Truncated

Test 22

Verdict: ACCEPTED

input
`3 2` view save

correct output
`DDRUUL` view save

user output
`DDRUUL` view save

Test 23

Verdict: WRONG ANSWER

input
`10 10` view save

correct output
`DDDDDDDDDRUUUUUUUURDDDDDDDDRUU...` view save

user output
`DDDDDDDDDRRRRRRRRRULLLLLLLLURR...` Truncated

Test 24

Verdict: ACCEPTED

input
`2 4` view save

correct output
`DRRRULLL` view save

user output
`DRRRULLL` view save

Test 25

Verdict: ACCEPTED

input
`9 2` view save

correct output
`DDDDDDDDRUUUUUUUUL` view save

user output
`DDDDDDDDRUUUUUUUUL` view save

Test 26

Verdict: ACCEPTED

input
`2 5` view save

correct output
`RRRRDLLLLU` view save

user output
`DRRRRULLLL` view save

Test 27

Verdict: WRONG ANSWER

input
`56 60` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 28

Verdict: WRONG ANSWER

input
`43 100` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 29

Verdict: WRONG ANSWER

input
`45 20` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 30

Verdict: WRONG ANSWER

input
`56 9` view save

correct output
`RRRRRRRRDLLLLLLLDRRRRRRRDLLLLL...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 31

Verdict: ACCEPTED

input
`97 91` view save

correct output
`-1` view save

user output
`-1` view save

Test 32

Verdict: ACCEPTED

input
`23 7` view save

correct output
`-1` view save

user output
`-1` view save

Test 33

Verdict: WRONG ANSWER

input
`90 95` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 34

Verdict: WRONG ANSWER

input
`9 24` view save

correct output
`DDDDDDDDRUUUUUUURDDDDDDDRUUUUU...` view save

user output
`DDDDDDDDRRRRRRRRRRRRRRRRRRRRRR...` Truncated

Test 35

Verdict: WRONG ANSWER

input
`88 3` view save

correct output
`RRDLDRDLDRDLDRDLDRDLDRDLDRDLDR...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 36

Verdict: WRONG ANSWER

input
`3 38` view save

correct output
`DDRURDRURDRURDRURDRURDRURDRURD...` view save

user output
`DDRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

Test 37

Verdict: ACCEPTED

input
`111 119` view save

correct output
`-1` view save

user output
`-1` view save

Test 38

Verdict: WRONG ANSWER

input
`84 200` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 39

Verdict: WRONG ANSWER

input
`88 38` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 40

Verdict: WRONG ANSWER

input
`111 16` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 41

Verdict: WRONG ANSWER

input
`194 181` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 42

Verdict: WRONG ANSWER

input
`46 12` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 43

Verdict: WRONG ANSWER

input
`179 190` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 44

Verdict: ACCEPTED

input
`17 47` view save

correct output
`-1` view save

user output
`-1` view save

Test 45

Verdict: WRONG ANSWER

input
`175 4` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 46

Verdict: ACCEPTED

input
`4 74` view save

correct output
`DDDRUURDDRUURDDRUURDDRUURDDRUU...` view save

user output
`DDDRRRRRRRRRRRRRRRRRRRRRRRRRRR...` Truncated

Test 47

Verdict: TIME LIMIT EXCEEDED

input
`550 594` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
(empty)

Test 48

Verdict: TIME LIMIT EXCEEDED

input
`418 998` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
(empty)

Test 49

Verdict: TIME LIMIT EXCEEDED

input
`437 186` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
(empty)

Test 50

Verdict: WRONG ANSWER

input
`552 72` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 51

Verdict: TIME LIMIT EXCEEDED

input
`968 901` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
(empty)

Test 52

Verdict: ACCEPTED

input
`223 57` view save

correct output
`-1` view save

user output
`-1` view save

Test 53

Verdict: TIME LIMIT EXCEEDED

input
`893 948` view save

correct output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` view save

user output
(empty)

Test 54

Verdict: WRONG ANSWER

input
`78 229` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 55

Verdict: WRONG ANSWER

input
`874 13` view save

correct output
`RRRRRRRRRRRRDLLLLLLLLLLLDRRRRR...` view save

user output
`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD...` Truncated

Test 56

Verdict: WRONG ANSWER

input
`12 366` view save

correct output
`DDDDDDDDDDDRUUUUUUUUUURDDDDDDD...` view save

user output
`DDDDDDDDDDDRRRRRRRRRRRRRRRRRRR...` Truncated

Aalto Competitive Programming 2025 - wk9 - Mon

Chess board tour

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

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Test 20

Test 21

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Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

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Test 37

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Test 39

Test 40

Test 41

Test 42

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Test 44

Test 45

Test 46

Test 47

Test 48

Test 49

Test 50

Test 51

Test 52

Test 53

Test 54

Test 55

Test 56

Tasks

Submissions (Abduvohid)