| Task: | Chess board tour |
| Sender: | Iliana |
| Submission time: | 2025-11-03 17:08:01 +0200 |
| Language: | Python3 (PyPy3) |
| Status: | READY |
| Result: | WRONG ANSWER |
| test | verdict | time | |
|---|---|---|---|
| #1 | WRONG ANSWER | 0.04 s | details |
| #2 | WRONG ANSWER | 0.04 s | details |
| #3 | WRONG ANSWER | 0.04 s | details |
| #4 | WRONG ANSWER | 0.04 s | details |
| #5 | WRONG ANSWER | 0.04 s | details |
| #6 | WRONG ANSWER | 0.04 s | details |
| #7 | WRONG ANSWER | 0.04 s | details |
| #8 | WRONG ANSWER | 0.04 s | details |
| #9 | WRONG ANSWER | 0.04 s | details |
| #10 | WRONG ANSWER | 0.04 s | details |
| #11 | WRONG ANSWER | 0.04 s | details |
| #12 | WRONG ANSWER | 0.04 s | details |
| #13 | WRONG ANSWER | 0.04 s | details |
| #14 | WRONG ANSWER | 0.04 s | details |
| #15 | WRONG ANSWER | 0.04 s | details |
| #16 | WRONG ANSWER | 0.04 s | details |
| #17 | WRONG ANSWER | 0.04 s | details |
| #18 | WRONG ANSWER | 0.04 s | details |
| #19 | WRONG ANSWER | 0.04 s | details |
| #20 | WRONG ANSWER | 0.04 s | details |
| #21 | WRONG ANSWER | 0.04 s | details |
| #22 | WRONG ANSWER | 0.04 s | details |
| #23 | WRONG ANSWER | 0.04 s | details |
| #24 | WRONG ANSWER | 0.04 s | details |
| #25 | WRONG ANSWER | 0.04 s | details |
| #26 | WRONG ANSWER | 0.04 s | details |
| #27 | WRONG ANSWER | 0.04 s | details |
| #28 | WRONG ANSWER | 0.04 s | details |
| #29 | WRONG ANSWER | 0.04 s | details |
| #30 | WRONG ANSWER | 0.04 s | details |
| #31 | WRONG ANSWER | 0.04 s | details |
| #32 | WRONG ANSWER | 0.04 s | details |
| #33 | WRONG ANSWER | 0.04 s | details |
| #34 | WRONG ANSWER | 0.04 s | details |
| #35 | WRONG ANSWER | 0.04 s | details |
| #36 | WRONG ANSWER | 0.04 s | details |
| #37 | WRONG ANSWER | 0.04 s | details |
| #38 | WRONG ANSWER | 0.04 s | details |
| #39 | WRONG ANSWER | 0.04 s | details |
| #40 | WRONG ANSWER | 0.04 s | details |
| #41 | WRONG ANSWER | 0.04 s | details |
| #42 | WRONG ANSWER | 0.04 s | details |
| #43 | WRONG ANSWER | 0.04 s | details |
| #44 | WRONG ANSWER | 0.04 s | details |
| #45 | WRONG ANSWER | 0.04 s | details |
| #46 | WRONG ANSWER | 0.04 s | details |
| #47 | WRONG ANSWER | 0.07 s | details |
| #48 | WRONG ANSWER | 0.07 s | details |
| #49 | WRONG ANSWER | 0.04 s | details |
| #50 | WRONG ANSWER | 0.04 s | details |
| #51 | WRONG ANSWER | 0.17 s | details |
| #52 | WRONG ANSWER | 0.04 s | details |
| #53 | WRONG ANSWER | 0.17 s | details |
| #54 | WRONG ANSWER | 0.04 s | details |
| #55 | WRONG ANSWER | 0.04 s | details |
| #56 | WRONG ANSWER | 0.04 s | details |
Code
def chessboard(n, m):
ans = ""
if n % 2 == 1 and m % 2 == 1:
return -1, []
elif (n % 2 == 0 and m % 2 == 1) or (n % 2 == 0 and m % 2 == 0):
ans += "D" * (n - 1)
ans += "R" * (m - 1)
c_n = 0
while c_n < n - 1:
ans += "U"
c_n += 1
ans += "L" * (m - 2)
ans += "L" * (m - 1)
elif n % 2 == 1 and m % 2 == 0:
ans += "R" * (m - 1)
ans += "D" * (n - 1)
c_m = 0
while c_m < m - 1:
ans += "L"
c_m += 1
ans += "U" * (n - 2)
ans += "L" * (m - 1)
return True, ans
n, m = map(int, input().split())
print(chessboard(n, m))
Test details
Test 1
Verdict: WRONG ANSWER
| input |
|---|
| 2 2 |
| correct output |
|---|
| DRUL |
| user output |
|---|
| (True, 'DRUL') |
Test 2
Verdict: WRONG ANSWER
| input |
|---|
| 2 2 |
| correct output |
|---|
| DRUL |
| user output |
|---|
| (True, 'DRUL') |
Test 3
Verdict: WRONG ANSWER
| input |
|---|
| 2 3 |
| correct output |
|---|
| RRDLLU |
| user output |
|---|
| (True, 'DRRULLL') |
Test 4
Verdict: WRONG ANSWER
| input |
|---|
| 2 2 |
| correct output |
|---|
| DRUL |
| user output |
|---|
| (True, 'DRUL') |
Test 5
Verdict: WRONG ANSWER
| input |
|---|
| 4 4 |
| correct output |
|---|
| DDDRUURDDRUUULLL |
| user output |
|---|
| (True, 'DDDRRRULLULLULLLLL') |
Test 6
Verdict: WRONG ANSWER
| input |
|---|
| 3 3 |
| correct output |
|---|
| -1 |
| user output |
|---|
| (-1, []) |
Test 7
Verdict: WRONG ANSWER
| input |
|---|
| 4 4 |
| correct output |
|---|
| DDDRUURDDRUUULLL |
| user output |
|---|
| (True, 'DDDRRRULLULLULLLLL') |
Test 8
Verdict: WRONG ANSWER
| input |
|---|
| 3 5 |
| correct output |
|---|
| -1 |
| user output |
|---|
| (-1, []) |
Test 9
Verdict: WRONG ANSWER
| input |
|---|
| 3 2 |
| correct output |
|---|
| DDRUUL |
| user output |
|---|
| (True, 'RDDLUL') |
Test 10
Verdict: WRONG ANSWER
| input |
|---|
| 4 2 |
| correct output |
|---|
| DDDRUUUL |
| user output |
|---|
| (True, 'DDDRUUUL') |
Test 11
Verdict: WRONG ANSWER
| input |
|---|
| 5 5 |
| correct output |
|---|
| -1 |
| user output |
|---|
| (-1, []) |
Test 12
Verdict: WRONG ANSWER
| input |
|---|
| 2 2 |
| correct output |
|---|
| DRUL |
| user output |
|---|
| (True, 'DRUL') |
Test 13
Verdict: WRONG ANSWER
| input |
|---|
| 5 5 |
| correct output |
|---|
| -1 |
| user output |
|---|
| (-1, []) |
Test 14
Verdict: WRONG ANSWER
| input |
|---|
| 2 2 |
| correct output |
|---|
| DRUL |
| user output |
|---|
| (True, 'DRUL') |
Test 15
Verdict: WRONG ANSWER
| input |
|---|
| 5 2 |
| correct output |
|---|
| DDDDRUUUUL |
| user output |
|---|
| (True, 'RDDDDLUUUL') |
Test 16
Verdict: WRONG ANSWER
| input |
|---|
| 2 3 |
| correct output |
|---|
| RRDLLU |
| user output |
|---|
| (True, 'DRRULLL') |
Test 17
Verdict: WRONG ANSWER
| input |
|---|
| 6 7 |
| correct output |
|---|
| RRRRRRDLLLLLDRRRRRDLLLLLDRRRRR... |
| user output |
|---|
| (True, 'DDDDDRRRRRRULLLLLULLLL... |
Test 18
Verdict: WRONG ANSWER
| input |
|---|
| 5 10 |
| correct output |
|---|
| DDDDRUUURDDDRUUURDDDRUUURDDDRU... |
| user output |
|---|
| (True, 'RRRRRRRRRDDDDLUUULUUUL... |
Test 19
Verdict: WRONG ANSWER
| input |
|---|
| 5 3 |
| correct output |
|---|
| -1 |
| user output |
|---|
| (-1, []) |
Test 20
Verdict: WRONG ANSWER
| input |
|---|
| 6 2 |
| correct output |
|---|
| DDDDDRUUUUUL |
| user output |
|---|
| (True, 'DDDDDRUUUUUL') |
Test 21
Verdict: WRONG ANSWER
| input |
|---|
| 10 10 |
| correct output |
|---|
| DDDDDDDDDRUUUUUUUURDDDDDDDDRUU... |
| user output |
|---|
| (True, 'DDDDDDDDDRRRRRRRRRULLL... Truncated |
Test 22
Verdict: WRONG ANSWER
| input |
|---|
| 3 2 |
| correct output |
|---|
| DDRUUL |
| user output |
|---|
| (True, 'RDDLUL') |
Test 23
Verdict: WRONG ANSWER
| input |
|---|
| 10 10 |
| correct output |
|---|
| DDDDDDDDDRUUUUUUUURDDDDDDDDRUU... |
| user output |
|---|
| (True, 'DDDDDDDDDRRRRRRRRRULLL... Truncated |
Test 24
Verdict: WRONG ANSWER
| input |
|---|
| 2 4 |
| correct output |
|---|
| DRRRULLL |
| user output |
|---|
| (True, 'DRRRULLLLL') |
Test 25
Verdict: WRONG ANSWER
| input |
|---|
| 9 2 |
| correct output |
|---|
| DDDDDDDDRUUUUUUUUL |
| user output |
|---|
| (True, 'RDDDDDDDDLUUUUUUUL') |
Test 26
Verdict: WRONG ANSWER
| input |
|---|
| 2 5 |
| correct output |
|---|
| RRRRDLLLLU |
| user output |
|---|
| (True, 'DRRRRULLLLLLL') |
Test 27
Verdict: WRONG ANSWER
| input |
|---|
| 56 60 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 28
Verdict: WRONG ANSWER
| input |
|---|
| 43 100 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'RRRRRRRRRRRRRRRRRRRRRR... Truncated |
Test 29
Verdict: WRONG ANSWER
| input |
|---|
| 45 20 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'RRRRRRRRRRRRRRRRRRRDDD... Truncated |
Test 30
Verdict: WRONG ANSWER
| input |
|---|
| 56 9 |
| correct output |
|---|
| RRRRRRRRDLLLLLLLDRRRRRRRDLLLLL... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 31
Verdict: WRONG ANSWER
| input |
|---|
| 97 91 |
| correct output |
|---|
| -1 |
| user output |
|---|
| (-1, []) |
Test 32
Verdict: WRONG ANSWER
| input |
|---|
| 23 7 |
| correct output |
|---|
| -1 |
| user output |
|---|
| (-1, []) |
Test 33
Verdict: WRONG ANSWER
| input |
|---|
| 90 95 |
| correct output |
|---|
| RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 34
Verdict: WRONG ANSWER
| input |
|---|
| 9 24 |
| correct output |
|---|
| DDDDDDDDRUUUUUUURDDDDDDDRUUUUU... |
| user output |
|---|
| (True, 'RRRRRRRRRRRRRRRRRRRRRR... Truncated |
Test 35
Verdict: WRONG ANSWER
| input |
|---|
| 88 3 |
| correct output |
|---|
| RRDLDRDLDRDLDRDLDRDLDRDLDRDLDR... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 36
Verdict: WRONG ANSWER
| input |
|---|
| 3 38 |
| correct output |
|---|
| DDRURDRURDRURDRURDRURDRURDRURD... |
| user output |
|---|
| (True, 'RRRRRRRRRRRRRRRRRRRRRR... Truncated |
Test 37
Verdict: WRONG ANSWER
| input |
|---|
| 111 119 |
| correct output |
|---|
| -1 |
| user output |
|---|
| (-1, []) |
Test 38
Verdict: WRONG ANSWER
| input |
|---|
| 84 200 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 39
Verdict: WRONG ANSWER
| input |
|---|
| 88 38 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 40
Verdict: WRONG ANSWER
| input |
|---|
| 111 16 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'RRRRRRRRRRRRRRRDDDDDDD... Truncated |
Test 41
Verdict: WRONG ANSWER
| input |
|---|
| 194 181 |
| correct output |
|---|
| RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 42
Verdict: WRONG ANSWER
| input |
|---|
| 46 12 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 43
Verdict: WRONG ANSWER
| input |
|---|
| 179 190 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'RRRRRRRRRRRRRRRRRRRRRR... Truncated |
Test 44
Verdict: WRONG ANSWER
| input |
|---|
| 17 47 |
| correct output |
|---|
| -1 |
| user output |
|---|
| (-1, []) |
Test 45
Verdict: WRONG ANSWER
| input |
|---|
| 175 4 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'RRRDDDDDDDDDDDDDDDDDDD... Truncated |
Test 46
Verdict: WRONG ANSWER
| input |
|---|
| 4 74 |
| correct output |
|---|
| DDDRUURDDRUURDDRUURDDRUURDDRUU... |
| user output |
|---|
| (True, 'DDDRRRRRRRRRRRRRRRRRRR... Truncated |
Test 47
Verdict: WRONG ANSWER
| input |
|---|
| 550 594 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 48
Verdict: WRONG ANSWER
| input |
|---|
| 418 998 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 49
Verdict: WRONG ANSWER
| input |
|---|
| 437 186 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'RRRRRRRRRRRRRRRRRRRRRR... Truncated |
Test 50
Verdict: WRONG ANSWER
| input |
|---|
| 552 72 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 51
Verdict: WRONG ANSWER
| input |
|---|
| 968 901 |
| correct output |
|---|
| RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 52
Verdict: WRONG ANSWER
| input |
|---|
| 223 57 |
| correct output |
|---|
| -1 |
| user output |
|---|
| (-1, []) |
Test 53
Verdict: WRONG ANSWER
| input |
|---|
| 893 948 |
| correct output |
|---|
| DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD... |
| user output |
|---|
| (True, 'RRRRRRRRRRRRRRRRRRRRRR... Truncated |
Test 54
Verdict: WRONG ANSWER
| input |
|---|
| 78 229 |
| correct output |
|---|
| RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 55
Verdict: WRONG ANSWER
| input |
|---|
| 874 13 |
| correct output |
|---|
| RRRRRRRRRRRRDLLLLLLLLLLLDRRRRR... |
| user output |
|---|
| (True, 'DDDDDDDDDDDDDDDDDDDDDD... Truncated |
Test 56
Verdict: WRONG ANSWER
| input |
|---|
| 12 366 |
| correct output |
|---|
| DDDDDDDDDDDRUUUUUUUUUURDDDDDDD... |
| user output |
|---|
| (True, 'DDDDDDDDDDDRRRRRRRRRRR... Truncated |