Submission details
Task:Stations
Sender:Verlet
Submission time:2025-03-03 17:44:25 +0200
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
#50
#60
Test results
testverdicttimegroup
#10.04 s1, 6details
#2ACCEPTED0.05 s1, 6details
#30.05 s1, 6details
#4ACCEPTED0.06 s1, 3, 6details
#5ACCEPTED0.06 s1, 3, 6details
#6ACCEPTED0.01 s1, 3, 6details
#70.07 s1, 6details
#80.07 s1, 6details
#90.07 s1, 6details
#100.07 s1, 6details
#110.07 s1, 6details
#120.02 s1, 6details
#13ACCEPTED0.01 s1, 2, 3, 4, 5, 6details
#14--2, 3, 4, 5, 6details
#15--3, 6details
#16--3, 6details
#17--4, 5, 6details
#18--3, 4, 5, 6details
#19--3, 4, 5, 6details
#20ACCEPTED0.01 s1, 3, 4, 5, 6details
#21--4, 5, 6details
#22--4, 5, 6details
#23--4, 5, 6details
#24--5, 6details
#25--5, 6details
#26--5, 6details
#27--5, 6details
#28--5, 6details
#29--5, 6details
#30--5, 6details
#31--6details
#32--6details
#33--6details
#34--6details
#35--6details
#36--6details
#37--6details
#38--6details

Code

#pragma GCC optimize("O3")
#pragma GCC target("arch=skylake")

#include <array>
#include <iostream>
#include <vector>

#define newl "\n"
#define pb push_back

#define N 70001

using namespace std;

using edge = array<int, 2>;

int n, k;

int stations[N];

int subtree_size[N];

vector<edge> tree[N];

int dp(int n, int p)
{
    int t = 1;

    for (edge e : tree[n])
        if (e[0] != p)
            t += dp(e[0], n);

    subtree_size[n] = t;

    return subtree_size[n];
}

void dfs(int n, int p, int f)
{
    for (edge e : tree[n])
    {
        int c = e[0];
        int w = e[1];

        if (c == p)
            continue;

        if (w > f)
        {
            f = k; stations[n] += subtree_size[n] - 1;
        }

        dfs(c, n, f - w);
    }
}

int main()
{
    ios_base::sync_with_stdio(false); cin.tie(NULL);

    cin >> n >> k;

    for (int i = 0; i < n - 1; i++)
    {
        int a, b, c;
        cin >> a >> b >> c;
        tree[a].pb({b, c});
        tree[b].pb({a, c});
    }

    for (int i = 0; i < n; i++)
    {
        dp(i, -1);
        dfs(i, -1, k);
    }

    for (int i = 0; i < n; i++)
        cout << stations[i] << newl;
}

Test details

Test 1

Group: 1, 6

Verdict:

input
750 918
159 63 18
573 310 105
135 400 57
618 27 113
...

correct output
0
96
45
94
0
...

user output
0
96
5
93
0
...
Truncated

Test 2

Group: 1, 6

Verdict: ACCEPTED

input
967 334
285 176 1
648 431 1
493 893 2
261 165 1
...

correct output
0
0
0
0
0
...

user output
0
0
0
0
0
...
Truncated

Test 3

Group: 1, 6

Verdict:

input
1000 963
408 385 876
23 519 951
649 232 605
821 385 792
...

correct output
0
0
482612
0
912
...

user output
0
0
485602
0
0
...
Truncated

Test 4

Group: 1, 3, 6

Verdict: ACCEPTED

input
1000 396
412 257 190
290 965 25
399 938 174
980 459 117
...

correct output
215160
138947
196491
47632
103775
...

user output
215160
138947
196491
47632
103775
...
Truncated

Test 5

Group: 1, 3, 6

Verdict: ACCEPTED

input
1000 333
896 853 0
28 756 0
658 183 0
488 17 0
...

correct output
0
0
0
0
0
...

user output
0
0
0
0
0
...
Truncated

Test 6

Group: 1, 3, 6

Verdict: ACCEPTED

input
2 31
0 1 31

correct output
0
0

user output
0
0

Test 7

Group: 1, 6

Verdict:

input
1000 847
24 298 474
208 141 485
789 89 60
1 809 437
...

correct output
16
1080
1966
5980
1856
...

user output
71
3933
1966
5980
0
...
Truncated

Test 8

Group: 1, 6

Verdict:

input
1000 767
476 799 361
271 239 215
447 941 269
219 664 600
...

correct output
1017
997
3988
1996
0
...

user output
997
997
3988
1996
0
...
Truncated

Test 9

Group: 1, 6

Verdict:

input
1000 1000
574 351 479
444 634 559
531 70 113
180 828 194
...

correct output
17839
4922
3988
0
0
...

user output
18846
5916
3988
0
0
...
Truncated

Test 10

Group: 1, 6

Verdict:

input
1000 1000
680 881 340
73 368 929
303 239 219
861 605 561
...

correct output
88
3990
9954
0
0
...

user output
0
3990
9954
0
0
...
Truncated

Test 11

Group: 1, 6

Verdict:

input
1000 1000
164 378 963
934 141 358
866 915 598
341 220 55
...

correct output
1996
0
1147
1996
18739
...

user output
1996
0
5973
1996
24697
...
Truncated

Test 12

Group: 1, 6

Verdict:

input
1000 537
276 155 470
533 155 391
175 155 343
553 155 270
...

correct output
0
0
0
0
0
...

user output
0
0
0
0
0
...
Truncated

Test 13

Group: 1, 2, 3, 4, 5, 6

Verdict: ACCEPTED

input
2 1
0 1 1

correct output
0
0

user output
0
0

Test 14

Group: 2, 3, 4, 5, 6

Verdict:

input
70000 1
50913 18377 1
33894 11911 1
61940 7863 1
61602 33470 1
...

correct output
2128187656
1918647796
1539693556
1198079316
2227641388
...

user output
(empty)

Test 15

Group: 3, 6

Verdict:

input
70000 517272873
57335 18148 62837135
28239 56484 253183094
23004 59130 129215861
558 17489 52424960
...

correct output
450859
215263283
544492560
222149
1276050
...

user output
(empty)

Test 16

Group: 3, 6

Verdict:

input
70000 611016790
21272 16063 50360
30758 33429 30642
23317 5625 9045
66335 5731 24130
...

correct output
69999
102210
23584
30220
0
...

user output
(empty)

Test 17

Group: 4, 5, 6

Verdict:

input
69973 4
44281 27162 1
15299 61302 1
19250 66379 1
45970 65938 1
...

correct output
769608
34960
1162375
626228
2
...

user output
(empty)

Test 18

Group: 3, 4, 5, 6

Verdict:

input
70000 6
12580 20937 2
31244 33335 1
62095 66946 0
2558 64306 2
...

correct output
95678
275287413
81937227
47960445
176569
...

user output
(empty)

Test 19

Group: 3, 4, 5, 6

Verdict:

input
70000 10
45546 20793 0
44801 49720 0
54732 9736 0
64375 18647 0
...

correct output
0
0
0
0
0
...

user output
(empty)

Test 20

Group: 1, 3, 4, 5, 6

Verdict: ACCEPTED

input
2 6
0 1 6

correct output
0
0

user output
0
0

Test 21

Group: 4, 5, 6

Verdict:

input
70000 10
36906 67900 2
51465 24882 0
65531 32406 0
49018 50640 10
...

correct output
0
0
1141061037
69997
0
...

user output
(empty)

Test 22

Group: 4, 5, 6

Verdict:

input
70000 10
40966 26929 6
15381 7596 3
53090 61576 3
6976 65087 2
...

correct output
279988
0
0
56174160
0
...

user output
(empty)

Test 23

Group: 4, 5, 6

Verdict:

input
70000 10
47111 32841 10
510 5994 10
1362 44478 8
61688 30984 5
...

correct output
419980
0
979765
0
1679710
...

user output
(empty)

Test 24

Group: 5, 6

Verdict:

input
70000 7
12257 45873 7
53771 24407 7
67182 59338 2
68981 59097 6
...

correct output
0
0
0
0
56749
...

user output
(empty)

Test 25

Group: 5, 6

Verdict:

input
70000 7
60987 29710 2
40235 14667 3
49803 36218 0
1256 23603 0
...

correct output
559942
0
69996
0
0
...

user output
(empty)

Test 26

Group: 5, 6

Verdict:

input
70000 4
29827 12474 3
52717 68608 1
26411 5022 3
66140 68360 2
...

correct output
419970
0
0
202
0
...

user output
(empty)

Test 27

Group: 5, 6

Verdict:

input
70000 10
41642 65096 7
14235 28073 6
48132 705 7
23384 33897 0
...

correct output
139996
279988
0
0
0
...

user output
(empty)

Test 28

Group: 5, 6

Verdict:

input
70000 10
44002 46661 10
16351 40057 10
62342 69569 2
277 38372 1
...

correct output
0
0
559966
0
0
...

user output
(empty)

Test 29

Group: 5, 6

Verdict:

input
70000 10
11173 32861 3
13926 50906 10
18305 60850 3
13279 836 9
...

correct output
0
139996
2
0
0
...

user output
(empty)

Test 30

Group: 5, 6

Verdict:

input
70000 3
18748 12670 2
56209 12670 2
4918 12670 1
26713 12670 2
...

correct output
0
0
0
0
0
...

user output
(empty)

Test 31

Group: 6

Verdict:

input
67845 886519666
14071 38244 390226
23927 10508 4649507
24776 60617 7933069
44979 29276 6727041
...

correct output
43
0
395
0
81
...

user output
(empty)

Test 32

Group: 6

Verdict:

input
70000 598182175
35387 18369 177725639
34272 27820 390474503
14996 60451 566274308
31897 35730 516503530
...

correct output
0
0
0
2373343036
2449703732
...

user output
(empty)

Test 33

Group: 6

Verdict:

input
70000 307114024
18 68382 208881990
51105 51287 133487858
6935 48425 203987749
30063 35675 238707761
...

correct output
0
5457705
0
420055
0
...

user output
(empty)

Test 34

Group: 6

Verdict:

input
70000 260495634
10465 32381 229572819
59714 8684 92922283
44269 63680 232833764
47600 15978 126514599
...

correct output
350035
839810
1
0
477281
...

user output
(empty)

Test 35

Group: 6

Verdict:

input
70000 1000000000
40606 60962 166792
66689 16700 510579
39392 42623 271902
12827 150 783709
...

correct output
0
0
0
0
0
...

user output
(empty)

Test 36

Group: 6

Verdict:

input
70000 1000000000
18028 63559 764765
43037 44898 469661
22315 22254 359926
32987 69384 314936
...

correct output
0
0
0
0
0
...

user output
(empty)

Test 37

Group: 6

Verdict:

input
70000 1000000000
48195 15915 457746
7436 2784 442186
9122 3611 587852
31354 12943 476363
...

correct output
0
0
0
0
0
...

user output
(empty)

Test 38

Group: 6

Verdict:

input
70000 852351984
54341 29527 743304598
55902 29527 379127182
8584 29527 326761145
21272 29527 850588761
...

correct output
0
0
0
0
0
...

user output
(empty)