Submission details
Task:Stations
Sender:Kemm1706
Submission time:2025-03-03 17:07:59 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
#50
#60
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 6details
#2ACCEPTED0.01 s1, 6details
#3ACCEPTED0.02 s1, 6details
#40.00 s1, 3, 6details
#50.00 s1, 3, 6details
#6ACCEPTED0.00 s1, 3, 6details
#7ACCEPTED0.02 s1, 6details
#8ACCEPTED0.02 s1, 6details
#9ACCEPTED0.02 s1, 6details
#10ACCEPTED0.01 s1, 6details
#11ACCEPTED0.02 s1, 6details
#12ACCEPTED0.01 s1, 6details
#13ACCEPTED0.00 s1, 2, 3, 4, 5, 6details
#140.05 s2, 3, 4, 5, 6details
#150.05 s3, 6details
#160.05 s3, 6details
#17--4, 5, 6details
#180.05 s3, 4, 5, 6details
#190.05 s3, 4, 5, 6details
#20ACCEPTED0.00 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

Compiler report

input/code.cpp: In function 'll dfs(const vvpl&, vl&, ll, ll, ll, ll)':
input/code.cpp:18:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   18 |     for(auto [x, d] : g[n])
      |              ^

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector <ll> vl;
typedef vector <vl> vvl;
typedef pair <ll, ll> pl;
typedef vector <pl> vpl;
typedef vector <vpl> vvpl;

#define fi first
#define se second
#define pb push_back

ll dfs(const vvpl &g, vl &ans, ll n, ll p, ll k, ll parent)
{
    bool flag;
    ll c = 1, z, xp = p;
    for(auto [x, d] : g[n])
    {
        if(x != parent)
        {
            flag = false;
            p = xp;
            //cerr << n << " -> " << x << ": ";
            if(p < d)
            {
                flag = true;
                p = k;
            }
            z = dfs(g, ans, x, p - d, k, n);
            if(flag)
            {
                //cerr << z;
                ans[n] += z;
            }
            c += z;
            //cerr << c << "\n";
            //cerr << "\n";
        }
    }
    //cerr << n << ": " << c << "\n";
    return c;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    ll n, k, a, b, c, i, j, ma = 0;
    cin >> n >> k;
    vvpl g(n);
    vl ans(n, 0), s(n), e(n), si(n, 0);
    for(i = 1; i < n; i++)
    {
        cin >> a >> b >> c;
        g[a].pb({b, c});
        g[b].pb({a, c});
        si[a]++; si[b]++;
        ma = max({ma, si[a], si[b]});
    }
    if(ma <= 2)
    {
        for(i = 0; i < n; i++)
            if(si[i] == 1)
            {
                a = i;
                break;
            }
        for(; i < n; i++)
            if(si[i] == 1)
            {
                b = i;
                break;
            }
        vl chain(n); chain[0] = a;
        i = g[a][0].fi; c = 1;
        while(i != b)
        {
            chain[c] = i;
            if(g[i][0].fi != chain[c - 1])
                i = g[i][0].fi;
            else
                i = g[i][1].fi;
            chain[c] = i;
            c++;
        }

        for(i = 0; i < n; i++)
            for(j = i + k; j < n; j += k)
                ans[j] += n - j - 1;
        for(i = n - 1; i >= 0; i--)
            for(j = n - 1 - k; j >= 0; j -= k)
                ans[j] += j;
    }
    else
        for(i = 0; i < n; i++)
            dfs(g, ans, i, k, k, -1);
    for(i = 0; i < n; i++)
        cout << ans[i] << "\n";

    return 0;
}

Test details

Test 1

Group: 1, 6

Verdict: ACCEPTED

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
45
94
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: ACCEPTED

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
482612
0
912
...
Truncated

Test 4

Group: 1, 3, 6

Verdict:

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

correct output
215160
138947
196491
47632
103775
...

user output
(empty)

Test 5

Group: 1, 3, 6

Verdict:

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

correct output
0
0
0
0
0
...

user output
(empty)

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: ACCEPTED

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

correct output
16
1080
1966
5980
1856
...

user output
16
1080
1966
5980
1856
...
Truncated

Test 8

Group: 1, 6

Verdict: ACCEPTED

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

correct output
1017
997
3988
1996
0
...

user output
1017
997
3988
1996
0
...
Truncated

Test 9

Group: 1, 6

Verdict: ACCEPTED

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

correct output
17839
4922
3988
0
0
...

user output
17839
4922
3988
0
0
...
Truncated

Test 10

Group: 1, 6

Verdict: ACCEPTED

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

correct output
88
3990
9954
0
0
...

user output
88
3990
9954
0
0
...
Truncated

Test 11

Group: 1, 6

Verdict: ACCEPTED

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
1147
1996
18739
...
Truncated

Test 12

Group: 1, 6

Verdict: ACCEPTED

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)