답안 #722544

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
722544	2023-04-12T09:21:07 Z	bitaro1337	Magic Tree (CEOI19_magictree)	C++14	100 / 100	222 ms	37772 KB

magictree

//BITARO BITARO BITARO
#include <bits/stdc++.h>
using namespace std;

const int N = 1e5 + 5;
vector<int> adj[N];
map<int64_t, int64_t> mp[N];
int64_t d[N], w[N], ans;
void dfs(int u) {
    for(int v: adj[u]) {
        dfs(v);
        if(mp[v].size() > mp[u].size()) swap(mp[u], mp[v]);
        for(auto x: mp[v]) mp[u][x.first] += x.second;
    }
    if(!d[u]) return;
    mp[u][d[u]] += w[u];
    int64_t val = w[u];
    while(val > 0) {
        auto it = mp[u].upper_bound(d[u]);
        if(it == mp[u].end()) break;
        int64_t vv = it->second;
        if(val >= vv) {
            mp[u].erase(it);
        } else {
            it->second -= val;
        }
        val -= vv;
    }
}
int main() {
    int n, m, k; cin >> n >> m >> k;
    for(int i = 2; i <= n; ++i) {
        int x; cin >> x;
        adj[x].push_back(i);
    }
    for(int i = 0; i < m; ++i) {
        int a, b, c; cin >> a >> b >> c;
        d[a] = b;
        w[a] = c;
    }
    dfs(1);
    for(auto x: mp[1]) ans += x.second;
    cout << ans << "\n";
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7252 KB	Output is correct
2	Correct	4 ms	7352 KB	Output is correct
3	Correct	4 ms	7356 KB	Output is correct
4	Correct	5 ms	7252 KB	Output is correct
5	Correct	4 ms	7356 KB	Output is correct
6	Correct	4 ms	7360 KB	Output is correct
7	Correct	4 ms	7252 KB	Output is correct
8	Correct	5 ms	7360 KB	Output is correct
9	Correct	4 ms	7252 KB	Output is correct

Subtask #2
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	19160 KB	Output is correct
2	Correct	74 ms	19688 KB	Output is correct
3	Correct	213 ms	37772 KB	Output is correct
4	Correct	175 ms	20736 KB	Output is correct
5	Correct	177 ms	22644 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	7508 KB	Output is correct
2	Correct	5 ms	7448 KB	Output is correct
3	Correct	4 ms	7508 KB	Output is correct
4	Correct	118 ms	28092 KB	Output is correct
5	Correct	154 ms	31892 KB	Output is correct
6	Correct	123 ms	27992 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	141 ms	16336 KB	Output is correct
2	Correct	151 ms	15552 KB	Output is correct
3	Correct	129 ms	20268 KB	Output is correct
4	Correct	95 ms	16584 KB	Output is correct
5	Correct	110 ms	28188 KB	Output is correct

Subtask #5
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7252 KB	Output is correct
2	Correct	4 ms	7352 KB	Output is correct
3	Correct	4 ms	7356 KB	Output is correct
4	Correct	5 ms	7252 KB	Output is correct
5	Correct	4 ms	7356 KB	Output is correct
6	Correct	4 ms	7360 KB	Output is correct
7	Correct	4 ms	7252 KB	Output is correct
8	Correct	5 ms	7360 KB	Output is correct
9	Correct	4 ms	7252 KB	Output is correct
10	Correct	156 ms	18392 KB	Output is correct
11	Correct	115 ms	17400 KB	Output is correct
12	Correct	106 ms	19560 KB	Output is correct
13	Correct	78 ms	15940 KB	Output is correct
14	Correct	100 ms	27576 KB	Output is correct

Subtask #6
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	8288 KB	Output is correct
2	Correct	63 ms	11404 KB	Output is correct
3	Correct	46 ms	11212 KB	Output is correct
4	Correct	49 ms	11280 KB	Output is correct
5	Correct	20 ms	9628 KB	Output is correct
6	Correct	48 ms	13644 KB	Output is correct
7	Correct	50 ms	17648 KB	Output is correct

Subtask #7
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7252 KB	Output is correct
2	Correct	4 ms	7352 KB	Output is correct
3	Correct	4 ms	7356 KB	Output is correct
4	Correct	5 ms	7252 KB	Output is correct
5	Correct	4 ms	7356 KB	Output is correct
6	Correct	4 ms	7360 KB	Output is correct
7	Correct	4 ms	7252 KB	Output is correct
8	Correct	5 ms	7360 KB	Output is correct
9	Correct	4 ms	7252 KB	Output is correct
10	Correct	5 ms	7508 KB	Output is correct
11	Correct	5 ms	7448 KB	Output is correct
12	Correct	4 ms	7508 KB	Output is correct
13	Correct	118 ms	28092 KB	Output is correct
14	Correct	154 ms	31892 KB	Output is correct
15	Correct	123 ms	27992 KB	Output is correct
16	Correct	156 ms	18392 KB	Output is correct
17	Correct	115 ms	17400 KB	Output is correct
18	Correct	106 ms	19560 KB	Output is correct
19	Correct	78 ms	15940 KB	Output is correct
20	Correct	100 ms	27576 KB	Output is correct
21	Correct	32 ms	10804 KB	Output is correct
22	Correct	104 ms	19528 KB	Output is correct
23	Correct	121 ms	22656 KB	Output is correct
24	Correct	222 ms	31128 KB	Output is correct
25	Correct	135 ms	19952 KB	Output is correct
26	Correct	150 ms	22196 KB	Output is correct
27	Correct	141 ms	21444 KB	Output is correct

Subtask #8
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7252 KB	Output is correct
2	Correct	4 ms	7352 KB	Output is correct
3	Correct	4 ms	7356 KB	Output is correct
4	Correct	5 ms	7252 KB	Output is correct
5	Correct	4 ms	7356 KB	Output is correct
6	Correct	4 ms	7360 KB	Output is correct
7	Correct	4 ms	7252 KB	Output is correct
8	Correct	5 ms	7360 KB	Output is correct
9	Correct	4 ms	7252 KB	Output is correct
10	Correct	99 ms	19160 KB	Output is correct
11	Correct	74 ms	19688 KB	Output is correct
12	Correct	213 ms	37772 KB	Output is correct
13	Correct	175 ms	20736 KB	Output is correct
14	Correct	177 ms	22644 KB	Output is correct
15	Correct	5 ms	7508 KB	Output is correct
16	Correct	5 ms	7448 KB	Output is correct
17	Correct	4 ms	7508 KB	Output is correct
18	Correct	118 ms	28092 KB	Output is correct
19	Correct	154 ms	31892 KB	Output is correct
20	Correct	123 ms	27992 KB	Output is correct
21	Correct	141 ms	16336 KB	Output is correct
22	Correct	151 ms	15552 KB	Output is correct
23	Correct	129 ms	20268 KB	Output is correct
24	Correct	95 ms	16584 KB	Output is correct
25	Correct	110 ms	28188 KB	Output is correct
26	Correct	156 ms	18392 KB	Output is correct
27	Correct	115 ms	17400 KB	Output is correct
28	Correct	106 ms	19560 KB	Output is correct
29	Correct	78 ms	15940 KB	Output is correct
30	Correct	100 ms	27576 KB	Output is correct
31	Correct	15 ms	8288 KB	Output is correct
32	Correct	63 ms	11404 KB	Output is correct
33	Correct	46 ms	11212 KB	Output is correct
34	Correct	49 ms	11280 KB	Output is correct
35	Correct	20 ms	9628 KB	Output is correct
36	Correct	48 ms	13644 KB	Output is correct
37	Correct	50 ms	17648 KB	Output is correct
38	Correct	32 ms	10804 KB	Output is correct
39	Correct	104 ms	19528 KB	Output is correct
40	Correct	121 ms	22656 KB	Output is correct
41	Correct	222 ms	31128 KB	Output is correct
42	Correct	135 ms	19952 KB	Output is correct
43	Correct	150 ms	22196 KB	Output is correct
44	Correct	141 ms	21444 KB	Output is correct
45	Correct	46 ms	11252 KB	Output is correct
46	Correct	124 ms	20480 KB	Output is correct
47	Correct	143 ms	24048 KB	Output is correct
48	Correct	213 ms	34156 KB	Output is correct
49	Correct	158 ms	20676 KB	Output is correct
50	Correct	186 ms	23244 KB	Output is correct
51	Correct	161 ms	22400 KB	Output is correct

답안 #722544

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