Task: | Astralis session I |
Sender: | aalto2024b_009 |
Submission time: | 2024-09-11 17:19:24 +0300 |
Language: | Python3 (PyPy3) |
Status: | READY |
Result: | ACCEPTED |
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 | ACCEPTED | 0.04 s | details |
#18 | ACCEPTED | 0.04 s | details |
#19 | ACCEPTED | 0.04 s | details |
#20 | ACCEPTED | 0.04 s | details |
#21 | ACCEPTED | 0.04 s | details |
#22 | ACCEPTED | 0.04 s | details |
#23 | ACCEPTED | 0.04 s | details |
#24 | ACCEPTED | 0.04 s | details |
#25 | ACCEPTED | 0.05 s | details |
#26 | ACCEPTED | 0.04 s | details |
#27 | ACCEPTED | 0.04 s | details |
#28 | ACCEPTED | 0.04 s | details |
#29 | ACCEPTED | 0.04 s | details |
#30 | ACCEPTED | 0.04 s | details |
#31 | ACCEPTED | 0.04 s | details |
#32 | ACCEPTED | 0.05 s | details |
#33 | ACCEPTED | 0.04 s | details |
#34 | ACCEPTED | 0.05 s | details |
#35 | ACCEPTED | 0.04 s | details |
#36 | ACCEPTED | 0.05 s | details |
#37 | ACCEPTED | 0.05 s | details |
#38 | ACCEPTED | 0.05 s | details |
#39 | ACCEPTED | 0.05 s | details |
#40 | ACCEPTED | 0.04 s | details |
#41 | ACCEPTED | 0.05 s | details |
#42 | ACCEPTED | 0.08 s | details |
#43 | ACCEPTED | 0.07 s | details |
#44 | ACCEPTED | 0.07 s | details |
#45 | ACCEPTED | 0.07 s | details |
#46 | ACCEPTED | 0.08 s | details |
#47 | ACCEPTED | 0.07 s | details |
#48 | ACCEPTED | 0.07 s | details |
#49 | ACCEPTED | 0.07 s | details |
#50 | ACCEPTED | 0.08 s | details |
#51 | ACCEPTED | 0.07 s | details |
#52 | ACCEPTED | 0.29 s | details |
#53 | ACCEPTED | 0.39 s | details |
#54 | ACCEPTED | 0.38 s | details |
#55 | ACCEPTED | 0.38 s | details |
#56 | ACCEPTED | 0.70 s | details |
#57 | ACCEPTED | 0.38 s | details |
#58 | ACCEPTED | 0.38 s | details |
#59 | ACCEPTED | 0.59 s | details |
#60 | ACCEPTED | 0.52 s | details |
#61 | ACCEPTED | 0.42 s | details |
Code
import sys sys.setrecursionlimit(10 ** 6) n = int(input()) g = [[] for i in range(n)] for i in range(n - 1): a, b = map(int, input().split()) g[a - 1].append(b - 1) g[b - 1].append(a - 1) root = 1 sums = [-1] * n visited = [False] * n parents = [-1] * n def dfs(node): global sums if visited[node]: return visited[node] = True flag = 0 for w in g[node]: if not visited[w]: parents[w] = node dfs(w) flag += sums[w] sums[node] = flag + 1 dfs(root) k = n // 2 f = False for i in range(n): if sums[i] == k: s = i # print('S', s) f = True break if f: print('Yes') m = [False] * n visited = [False] * n visited[parents[s]] = True def dfs2(node): global m if visited[node]: return visited[node] = True for w in g[node]: if not visited[w]: m[w] = True dfs2(w) dfs2(s) # print(m) m[s] = True for j in range(n): if m[j]: print('M', end='') else: print('U', end='') print() else: print('No')
Test details
Test 1
Verdict: ACCEPTED
input |
---|
2 1 2 |
correct output |
---|
Yes MU |
user output |
---|
Yes MU |
Test 2
Verdict: ACCEPTED
input |
---|
6 1 3 2 3 2 6 4 6 ... |
correct output |
---|
No |
user output |
---|
No |
Test 3
Verdict: ACCEPTED
input |
---|
6 1 2 2 3 3 6 2 4 ... |
correct output |
---|
No |
user output |
---|
No |
Test 4
Verdict: ACCEPTED
input |
---|
6 1 6 1 4 2 4 2 3 ... |
correct output |
---|
No |
user output |
---|
No |
Test 5
Verdict: ACCEPTED
input |
---|
6 2 4 1 4 2 6 1 3 ... |
correct output |
---|
Yes MUMUMU |
user output |
---|
Yes MUMUMU |
Test 6
Verdict: ACCEPTED
input |
---|
8 1 8 5 8 3 5 3 6 ... |
correct output |
---|
Yes MUMUMUUM |
user output |
---|
Yes MUMUMUUM |
Test 7
Verdict: ACCEPTED
input |
---|
8 1 4 1 6 3 6 1 5 ... |
correct output |
---|
Yes MUUMMUMU |
user output |
---|
Yes MUUMMUMU |
Test 8
Verdict: ACCEPTED
input |
---|
8 1 7 1 3 1 8 2 8 ... |
correct output |
---|
No |
user output |
---|
No |
Test 9
Verdict: ACCEPTED
input |
---|
8 2 3 3 8 7 8 5 8 ... |
correct output |
---|
Yes MMUMUMUU |
user output |
---|
Yes UUMUMUMM |
Test 10
Verdict: ACCEPTED
input |
---|
10 4 8 4 7 1 7 3 4 ... |
correct output |
---|
Yes MUMMMUMUUU |
user output |
---|
Yes MUMMMUMUUU |
Test 11
Verdict: ACCEPTED
input |
---|
10 3 4 4 5 4 8 4 10 ... |
correct output |
---|
No |
user output |
---|
No |
Test 12
Verdict: ACCEPTED
input |
---|
10 1 3 2 3 2 6 6 10 ... |
correct output |
---|
Yes MMMUUMUMUU |
user output |
---|
Yes UUUMMUMUMM |
Test 13
Verdict: ACCEPTED
input |
---|
10 1 10 1 3 6 10 8 10 ... |
correct output |
---|
No |
user output |
---|
No |
Test 14
Verdict: ACCEPTED
input |
---|
10 1 6 1 4 2 4 2 9 ... |
correct output |
---|
No |
user output |
---|
No |
Test 15
Verdict: ACCEPTED
input |
---|
12 4 10 4 11 9 11 6 11 ... |
correct output |
---|
Yes UUUMUMMUMUMM |
user output |
---|
Yes UUUMUMMUMUMM |
Test 16
Verdict: ACCEPTED
input |
---|
12 1 2 1 8 5 8 3 8 ... |
correct output |
---|
Yes MUMMMUUMUUUM |
user output |
---|
Yes MUMMMUUMUUUM |
Test 17
Verdict: ACCEPTED
input |
---|
14 9 12 6 9 3 6 3 11 ... |
correct output |
---|
No |
user output |
---|
No |
Test 18
Verdict: ACCEPTED
input |
---|
14 13 14 7 13 3 7 7 10 ... |
correct output |
---|
Yes UMMMMUMUUMUUMU |
user output |
---|
Yes MUUUUMUMMUMMUM |
Test 19
Verdict: ACCEPTED
input |
---|
14 1 3 3 8 3 7 8 9 ... |
correct output |
---|
Yes MUUUMMUUUMMMMU |
user output |
---|
Yes MUUUMMUUUMMMMU |
Test 20
Verdict: ACCEPTED
input |
---|
16 4 12 1 4 12 16 11 12 ... |
correct output |
---|
No |
user output |
---|
No |
Test 21
Verdict: ACCEPTED
input |
---|
18 12 13 13 17 8 13 12 15 ... |
correct output |
---|
No |
user output |
---|
No |
Test 22
Verdict: ACCEPTED
input |
---|
100 24 28 28 65 28 58 54 65 ... |
correct output |
---|
Yes MMUUMUMMUMUMUUMUUMMUUUMMMUUUUM... |
user output |
---|
Yes UUMMUMUUMUMUMMUMMUUMMMUUUMMMMU... Truncated |
Test 23
Verdict: ACCEPTED
input |
---|
100 57 98 24 57 24 34 25 34 ... |
correct output |
---|
Yes MUUMUMUUUMMUMMUMUMMMMMUUUMUUMM... |
user output |
---|
Yes MUUMUMUUUMMUMMUMUMMMMMUUUMUUMM... Truncated |
Test 24
Verdict: ACCEPTED
input |
---|
100 6 41 6 20 6 18 6 88 ... |
correct output |
---|
Yes MMMMUMMMUMUUMMUUUMMMUUUUUMUUUU... |
user output |
---|
Yes UUUUMUUUMUMMUUMMMUUUMMMMMUMMMM... Truncated |
Test 25
Verdict: ACCEPTED
input |
---|
100 24 100 92 100 62 100 88 100 ... |
correct output |
---|
Yes MUUMMUUMMUMUMUMUUUUUUMMMUMUMUM... |
user output |
---|
Yes MUUMMUUMMUMUMUMUUUUUUMMMUMUMUM... Truncated |
Test 26
Verdict: ACCEPTED
input |
---|
100 65 83 68 83 65 87 21 65 ... |
correct output |
---|
No |
user output |
---|
No |
Test 27
Verdict: ACCEPTED
input |
---|
100 12 87 12 56 41 56 11 41 ... |
correct output |
---|
No |
user output |
---|
No |
Test 28
Verdict: ACCEPTED
input |
---|
100 13 29 13 38 13 34 10 13 ... |
correct output |
---|
Yes MMMMUUMUMMUUMMUUMMMUMMUUMMUUUU... |
user output |
---|
Yes UUUUMMUMUUMMUUMMUUUMUUMMUUMMMM... Truncated |
Test 29
Verdict: ACCEPTED
input |
---|
100 77 94 52 77 53 77 53 56 ... |
correct output |
---|
No |
user output |
---|
No |
Test 30
Verdict: ACCEPTED
input |
---|
100 56 59 56 76 17 76 17 75 ... |
correct output |
---|
No |
user output |
---|
No |
Test 31
Verdict: ACCEPTED
input |
---|
100 19 70 70 86 27 86 27 31 ... |
correct output |
---|
Yes MMMMUMMUMMUUMMUMUUUMMMUMUMUUMU... |
user output |
---|
Yes UUUUMUUMUUMMUUMUMMMUUUMUMUMMUM... Truncated |
Test 32
Verdict: ACCEPTED
input |
---|
200 28 148 28 122 28 137 122 178 ... |
correct output |
---|
Yes UUMUMMMUUMMUMMMUMMUUMUMUMUMMMU... |
user output |
---|
Yes UUMUMMMUUMMUMMMUMMUUMUMUMUMMMU... Truncated |
Test 33
Verdict: ACCEPTED
input |
---|
200 57 98 57 153 34 153 98 109 ... |
correct output |
---|
No |
user output |
---|
No |
Test 34
Verdict: ACCEPTED
input |
---|
200 6 177 6 20 6 158 88 158 ... |
correct output |
---|
Yes MUUMUMMMUMUUMUUUUUUMUMMMMUUMMU... |
user output |
---|
Yes MUUMUMMMUMUUMUUUUUUMUMMMMUUMMU... Truncated |
Test 35
Verdict: ACCEPTED
input |
---|
200 142 178 119 142 142 155 119 140 ... |
correct output |
---|
No |
user output |
---|
No |
Test 36
Verdict: ACCEPTED
input |
---|
200 83 150 68 83 68 158 135 158 ... |
correct output |
---|
Yes MMMUUUUUUMUUUMUMUUMMMUMUUUMMUM... |
user output |
---|
Yes UUUMMMMMMUMMMUMUMMUUUMUMMMUUMU... Truncated |
Test 37
Verdict: ACCEPTED
input |
---|
200 20 177 87 177 121 177 137 177 ... |
correct output |
---|
Yes MMUMUMMMUUUMUMUMMMUMUMUUUUUUMM... |
user output |
---|
Yes UUMUMUUUMMMUMUMUUUMUMUMMMMMMUU... Truncated |
Test 38
Verdict: ACCEPTED
input |
---|
200 13 139 13 38 13 34 10 38 ... |
correct output |
---|
Yes MUMMUUMUUMUUMMUMMMMUMMUMUUUMMU... |
user output |
---|
Yes MUMMUUMUUMUUMMUMMMMUMMUMUUUMMU... Truncated |
Test 39
Verdict: ACCEPTED
input |
---|
200 84 198 77 198 52 198 53 77 ... |
correct output |
---|
Yes MMMUMUMMMUUUUMUUUMMMMMUMUMUUUU... |
user output |
---|
Yes UUUMUMUUUMMMMUMMMUUUUUMUMUMMMM... Truncated |
Test 40
Verdict: ACCEPTED
input |
---|
200 56 112 76 112 56 182 56 114 ... |
correct output |
---|
No |
user output |
---|
No |
Test 41
Verdict: ACCEPTED
input |
---|
200 19 114 19 70 70 86 19 27 ... |
correct output |
---|
Yes MMMUMUUUUUMUMMMMMMMUUMMUMMMMUM... |
user output |
---|
Yes UUUMUMMMMMUMUUUUUUUMMUUMUUUUMU... Truncated |
Test 42
Verdict: ACCEPTED
input |
---|
1000 811 883 397 883 137 397 546 883 ... |
correct output |
---|
Yes MMMMMUUMUMUUUUUUMUMUMMMMUMMUMM... |
user output |
---|
Yes UUUUUMMUMUMMMMMMUMUMUUUUMUUMUU... Truncated |
Test 43
Verdict: ACCEPTED
input |
---|
1000 393 736 393 398 398 407 351 393 ... |
correct output |
---|
No |
user output |
---|
No |
Test 44
Verdict: ACCEPTED
input |
---|
1000 507 955 340 955 507 813 418 955 ... |
correct output |
---|
No |
user output |
---|
No |
Test 45
Verdict: ACCEPTED
input |
---|
1000 230 974 230 440 440 752 752 977 ... |
correct output |
---|
No |
user output |
---|
No |
Test 46
Verdict: ACCEPTED
input |
---|
1000 406 944 778 944 68 944 545 778 ... |
correct output |
---|
Yes UMUMMUMUUMUUMUUMUMMUUMUUMUUUUM... |
user output |
---|
Yes MUMUUMUMMUMMUMMUMUUMMUMMUMMMMU... Truncated |
Test 47
Verdict: ACCEPTED
input |
---|
1000 771 921 368 921 121 921 121 810 ... |
correct output |
---|
Yes UMMUUUUUMUMMUMUMUUUUMMMMUMUUMM... |
user output |
---|
Yes MUUMMMMMUMUUMUMUMMMMUUUUMUMMUU... Truncated |
Test 48
Verdict: ACCEPTED
input |
---|
1000 290 518 518 738 518 554 290 997 ... |
correct output |
---|
No |
user output |
---|
No |
Test 49
Verdict: ACCEPTED
input |
---|
1000 370 791 390 791 390 835 585 835 ... |
correct output |
---|
Yes MMUUUUUMMMUMMUMMMMMMUUMMUMMMMU... |
user output |
---|
Yes UUMMMMMUUUMUUMUUUUUUMMUUMUUUUM... Truncated |
Test 50
Verdict: ACCEPTED
input |
---|
1000 111 804 778 804 520 804 520 829 ... |
correct output |
---|
Yes MMMUMUUUUUMMMUMMMMMUUMMUMMUUUU... |
user output |
---|
Yes UUUMUMMMMMUUUMUUUUUMMUUMUUMMMM... Truncated |
Test 51
Verdict: ACCEPTED
input |
---|
1000 627 823 399 627 27 399 27 945 ... |
correct output |
---|
Yes MMUMMMMUUMMUUMUUUUUMUMMUMMMMMU... |
user output |
---|
Yes UUMUUUUMMUUMMUMMMMMUMUUMUUUUUM... Truncated |
Test 52
Verdict: ACCEPTED
input |
---|
100000 26991 68205 21905 68205 3029 26991 21905 29288 ... |
correct output |
---|
No |
user output |
---|
No |
Test 53
Verdict: ACCEPTED
input |
---|
100000 41845 94618 94618 96640 65841 94618 9894 96640 ... |
correct output |
---|
Yes UMUUUMMUUUMMUMMUMUMMMUMMMUMUMU... |
user output |
---|
Yes MUMMMUUMMMUUMUUMUMUUUMUUUMUMUM... Truncated |
Test 54
Verdict: ACCEPTED
input |
---|
100000 11081 29940 11081 90273 11081 56653 56653 73314 ... |
correct output |
---|
Yes UMMUUMMMUUMMMMMUUMMUUUMUMMMUUU... |
user output |
---|
Yes MUUMMUUUMMUUUUUMMUUMMMUMUUUMMM... Truncated |
Test 55
Verdict: ACCEPTED
input |
---|
100000 27549 31873 27549 48777 48777 71940 48777 59266 ... |
correct output |
---|
Yes MMMMUUMUUMUMUMMUUUMMUMMMUMUUUM... |
user output |
---|
Yes UUUUMMUMMUMUMUUMMMUUMUUUMUMMMU... Truncated |
Test 56
Verdict: ACCEPTED
input |
---|
100000 2460 57807 2460 59927 56550 59927 35046 56550 ... |
correct output |
---|
Yes MMMUUMMUMMUUUMMUMUMMMUMUUMUMUM... |
user output |
---|
Yes UUUMMUUMUUMMMUUMUMUUUMUMMUMUMU... Truncated |
Test 57
Verdict: ACCEPTED
input |
---|
100000 13089 77222 77222 89616 36711 89616 27645 77222 ... |
correct output |
---|
Yes UMUUUMMMUUUUMMUMMMUUMMUUMUMUMU... |
user output |
---|
Yes MUMMMUUUMMMMUUMUUUMMUUMMUMUMUM... Truncated |
Test 58
Verdict: ACCEPTED
input |
---|
100000 35805 70440 70440 82302 64483 82302 64483 96767 ... |
correct output |
---|
Yes MMMUUMMMUUUMMMUUMUUMUMMUUUMUUM... |
user output |
---|
Yes UUUMMUUUMMMUUUMMUMMUMUUMMMUMMU... Truncated |
Test 59
Verdict: ACCEPTED
input |
---|
100000 16206 68738 37820 68738 55519 68738 55519 77758 ... |
correct output |
---|
Yes MMUUUMUUMUUMUUMUMMMMMUMUUUUUUU... |
user output |
---|
Yes UUMMMUMMUMMUMMUMUUUUUMUMMMMMMM... Truncated |
Test 60
Verdict: ACCEPTED
input |
---|
100000 47137 86808 47137 80136 47137 73346 73346 78144 ... |
correct output |
---|
Yes UUMUMMUUUUMMMMMMMMUUMMMMMMUUMU... |
user output |
---|
Yes UUMUMMUUUUMMMMMMMMUUMMMMMMUUMU... Truncated |
Test 61
Verdict: ACCEPTED
input |
---|
100000 39438 53660 53660 60245 20924 60245 20924 38669 ... |
correct output |
---|
No |
user output |
---|
No |