Submission #900514

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
900514	2024-01-08T12:07:31 Z	Trisanu_Das	Magic Tree (CEOI19_magictree)	C++17	100 / 100	116 ms	37804 KB

magictree

#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int N, M, K, res = 0, u;
    cin >> N >> M >> K;

    vector<int> g[N];
    int d[N] {}, w[N] {};
    map<int, int> dp[N];

    for (int i = 1; i < N; i++) {
        cin >> u;
        g[u - 1].push_back(i);
    }

    while (M--) {
        cin >> u >> d[u - 1] >> w[u - 1];
    }

    for (u = N; --u >= 0;) {
        int h = 0;
        for (int v : g[u])
            if (dp[v].size() > dp[h].size())
                h = v;

        dp[h].swap(dp[u]);

        for (int v : g[u])
            if (v != h)
                for (auto &[i, j] : dp[v])
                    dp[u][i] += j;

        dp[u][d[u]] += w[u];

        auto f = dp[u].upper_bound(d[u]);

        while (f != end(dp[u]) && (f->second -= w[u]) < 0)
            w[u] = -f->second, f = dp[u].erase(f);
    }

    for (auto &[i, j] : dp[0])
        res += j;

    cout << res;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	460 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	452 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct

Subtask #2
3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	48 ms	21076 KB	Output is correct
2	Correct	32 ms	15448 KB	Output is correct
3	Correct	111 ms	37536 KB	Output is correct
4	Correct	60 ms	21856 KB	Output is correct
5	Correct	70 ms	21840 KB	Output is correct

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	1 ms	604 KB	Output is correct
4	Correct	36 ms	14100 KB	Output is correct
5	Correct	56 ms	18132 KB	Output is correct
6	Correct	49 ms	14416 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	47 ms	15076 KB	Output is correct
2	Correct	52 ms	16464 KB	Output is correct
3	Correct	38 ms	14928 KB	Output is correct
4	Correct	34 ms	17612 KB	Output is correct
5	Correct	32 ms	14212 KB	Output is correct

Subtask #5
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	460 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	452 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	58 ms	20560 KB	Output is correct
11	Correct	53 ms	19288 KB	Output is correct
12	Correct	37 ms	14160 KB	Output is correct
13	Correct	31 ms	17100 KB	Output is correct
14	Correct	31 ms	13660 KB	Output is correct

Subtask #6
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	3160 KB	Output is correct
2	Correct	23 ms	14692 KB	Output is correct
3	Correct	24 ms	14668 KB	Output is correct
4	Correct	25 ms	14672 KB	Output is correct
5	Correct	18 ms	16344 KB	Output is correct
6	Correct	25 ms	14960 KB	Output is correct
7	Correct	20 ms	13396 KB	Output is correct

Subtask #7
22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	460 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	452 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	604 KB	Output is correct
13	Correct	36 ms	14100 KB	Output is correct
14	Correct	56 ms	18132 KB	Output is correct
15	Correct	49 ms	14416 KB	Output is correct
16	Correct	58 ms	20560 KB	Output is correct
17	Correct	53 ms	19288 KB	Output is correct
18	Correct	37 ms	14160 KB	Output is correct
19	Correct	31 ms	17100 KB	Output is correct
20	Correct	31 ms	13660 KB	Output is correct
21	Correct	14 ms	6232 KB	Output is correct
22	Correct	60 ms	23576 KB	Output is correct
23	Correct	68 ms	27732 KB	Output is correct
24	Correct	116 ms	37804 KB	Output is correct
25	Correct	51 ms	21124 KB	Output is correct
26	Correct	70 ms	21072 KB	Output is correct
27	Correct	62 ms	16972 KB	Output is correct

Subtask #8
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	460 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	452 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	48 ms	21076 KB	Output is correct
11	Correct	32 ms	15448 KB	Output is correct
12	Correct	111 ms	37536 KB	Output is correct
13	Correct	60 ms	21856 KB	Output is correct
14	Correct	70 ms	21840 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	604 KB	Output is correct
18	Correct	36 ms	14100 KB	Output is correct
19	Correct	56 ms	18132 KB	Output is correct
20	Correct	49 ms	14416 KB	Output is correct
21	Correct	47 ms	15076 KB	Output is correct
22	Correct	52 ms	16464 KB	Output is correct
23	Correct	38 ms	14928 KB	Output is correct
24	Correct	34 ms	17612 KB	Output is correct
25	Correct	32 ms	14212 KB	Output is correct
26	Correct	58 ms	20560 KB	Output is correct
27	Correct	53 ms	19288 KB	Output is correct
28	Correct	37 ms	14160 KB	Output is correct
29	Correct	31 ms	17100 KB	Output is correct
30	Correct	31 ms	13660 KB	Output is correct
31	Correct	5 ms	3160 KB	Output is correct
32	Correct	23 ms	14692 KB	Output is correct
33	Correct	24 ms	14668 KB	Output is correct
34	Correct	25 ms	14672 KB	Output is correct
35	Correct	18 ms	16344 KB	Output is correct
36	Correct	25 ms	14960 KB	Output is correct
37	Correct	20 ms	13396 KB	Output is correct
38	Correct	14 ms	6232 KB	Output is correct
39	Correct	60 ms	23576 KB	Output is correct
40	Correct	68 ms	27732 KB	Output is correct
41	Correct	116 ms	37804 KB	Output is correct
42	Correct	51 ms	21124 KB	Output is correct
43	Correct	70 ms	21072 KB	Output is correct
44	Correct	62 ms	16972 KB	Output is correct
45	Correct	14 ms	5980 KB	Output is correct
46	Correct	59 ms	22868 KB	Output is correct
47	Correct	66 ms	26492 KB	Output is correct
48	Correct	112 ms	34828 KB	Output is correct
49	Correct	56 ms	21708 KB	Output is correct
50	Correct	72 ms	21104 KB	Output is correct
51	Correct	78 ms	17096 KB	Output is correct

Submission #900514

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