oj.uz

Submission #933048

# Submission time Handle Problem Language Result Execution time Memory
933048 2024-02-24T23:13:11 Z Cyber_Wolf Magic Tree (CEOI19_magictree) C++17
100 / 100
 77 ms 30548 KB 
#include <bits/stdc++.h>

using namespace std;

#define lg long long
#define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

const lg N = 1e5+5;

lg n, m, k;
lg v[N], d[N];
vector<lg> adj[N];
map<lg, lg> mp2;

void solve(lg src)
{
	map<lg, lg> mp;
	for(auto it : adj[src])
	{
		solve(it);
		if(mp.size() < mp2.size())
		{
			swap(mp, mp2);
		}
		for(auto [it, fr] : mp2)
		{
			mp[it] += fr;
		}
	}
	if(d[src])
	{
		mp[d[src]] += v[src];
		while(true)
		{
			auto it = mp.upper_bound(d[src]);
			if(it == mp.end())	break;
			if(it->second <= v[src])	
			{
				v[src] -= it->second;
				mp.erase(it);
				continue;
			}
			it->second -= v[src];
			break;
		}
	} 
	swap(mp, mp2);
	return ;
}

int main()
{
	fastio;
	cin >> n >> m >> k;
	for(int i = 2; i <= n; i++)
	{
		lg p;
		cin >> p;
		adj[p].push_back(i);
	}
	for(int i = 1; i <= m; i++)
	{
		lg node, day, score;
		cin >> node >> day >> score;
		d[node] = day;
		v[node] = score;
	}
	solve(1);
	lg ans = 0;
	for(auto [a, b] : mp2)	ans += b;
	cout << ans << '\n';

    return 0;
}


/*
dp[src][max] = max(dp[par][v[i]]+w[i], dp[src][max-1])
*/

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2648 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 8036 KB Output is correct
2 Correct 28 ms 14172 KB Output is correct
3 Correct 76 ms 10292 KB Output is correct
4 Correct 57 ms 8684 KB Output is correct
5 Correct 61 ms 11096 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2908 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2820 KB Output is correct
4 Correct 41 ms 26552 KB Output is correct
5 Correct 58 ms 30548 KB Output is correct
6 Correct 69 ms 26452 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 6232 KB Output is correct
2 Correct 32 ms 6236 KB Output is correct
3 Correct 35 ms 13648 KB Output is correct
4 Correct 24 ms 5080 KB Output is correct
5 Correct 44 ms 24648 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2648 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 37 ms 6248 KB Output is correct
11 Correct 37 ms 7508 KB Output is correct
12 Correct 35 ms 15212 KB Output is correct
13 Correct 24 ms 6276 KB Output is correct
14 Correct 41 ms 26192 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3420 KB Output is correct
2 Correct 16 ms 6272 KB Output is correct
3 Correct 17 ms 6036 KB Output is correct
4 Correct 21 ms 6236 KB Output is correct
5 Correct 7 ms 5080 KB Output is correct
6 Correct 16 ms 9564 KB Output is correct
7 Correct 23 ms 14428 KB Output is correct

Subtask #7
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2648 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2908 KB Output is correct
12 Correct 1 ms 2820 KB Output is correct
13 Correct 41 ms 26552 KB Output is correct
14 Correct 58 ms 30548 KB Output is correct
15 Correct 69 ms 26452 KB Output is correct
16 Correct 37 ms 6248 KB Output is correct
17 Correct 37 ms 7508 KB Output is correct
18 Correct 35 ms 15212 KB Output is correct
19 Correct 24 ms 6276 KB Output is correct
20 Correct 41 ms 26192 KB Output is correct
21 Correct 13 ms 3932 KB Output is correct
22 Correct 38 ms 7808 KB Output is correct
23 Correct 45 ms 9548 KB Output is correct
24 Correct 70 ms 11288 KB Output is correct
25 Correct 43 ms 10188 KB Output is correct
26 Correct 59 ms 15088 KB Output is correct
27 Correct 63 ms 17264 KB Output is correct

Subtask #8
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2648 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 34 ms 8036 KB Output is correct
11 Correct 28 ms 14172 KB Output is correct
12 Correct 76 ms 10292 KB Output is correct
13 Correct 57 ms 8684 KB Output is correct
14 Correct 61 ms 11096 KB Output is correct
15 Correct 1 ms 2908 KB Output is correct
16 Correct 1 ms 2908 KB Output is correct
17 Correct 1 ms 2820 KB Output is correct
18 Correct 41 ms 26552 KB Output is correct
19 Correct 58 ms 30548 KB Output is correct
20 Correct 69 ms 26452 KB Output is correct
21 Correct 34 ms 6232 KB Output is correct
22 Correct 32 ms 6236 KB Output is correct
23 Correct 35 ms 13648 KB Output is correct
24 Correct 24 ms 5080 KB Output is correct
25 Correct 44 ms 24648 KB Output is correct
26 Correct 37 ms 6248 KB Output is correct
27 Correct 37 ms 7508 KB Output is correct
28 Correct 35 ms 15212 KB Output is correct
29 Correct 24 ms 6276 KB Output is correct
30 Correct 41 ms 26192 KB Output is correct
31 Correct 4 ms 3420 KB Output is correct
32 Correct 16 ms 6272 KB Output is correct
33 Correct 17 ms 6036 KB Output is correct
34 Correct 21 ms 6236 KB Output is correct
35 Correct 7 ms 5080 KB Output is correct
36 Correct 16 ms 9564 KB Output is correct
37 Correct 23 ms 14428 KB Output is correct
38 Correct 13 ms 3932 KB Output is correct
39 Correct 38 ms 7808 KB Output is correct
40 Correct 45 ms 9548 KB Output is correct
41 Correct 70 ms 11288 KB Output is correct
42 Correct 43 ms 10188 KB Output is correct
43 Correct 59 ms 15088 KB Output is correct
44 Correct 63 ms 17264 KB Output is correct
45 Correct 12 ms 4188 KB Output is correct
46 Correct 43 ms 7896 KB Output is correct
47 Correct 50 ms 9956 KB Output is correct
48 Correct 77 ms 12360 KB Output is correct
49 Correct 46 ms 10956 KB Output is correct
50 Correct 69 ms 16524 KB Output is correct
51 Correct 60 ms 18000 KB Output is correct