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Submission #500981

# Submission time Handle Problem Language Result Execution time Memory
500981 2022-01-01T21:18:01 Z sidon Magic Tree (CEOI19_magictree) C++17
100 / 100
 108 ms 35548 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long

void ri(auto &I){
	char J = I = 0;
	for(; J < 48; J=getchar_unlocked());
	for(; J > 47; J=getchar_unlocked()) I = I * 10 + J - 48;
}
 
signed main(){
	int N, M, K, u; ll res = 0;
	cin >> N >> M >> K;
 
	vector<int> g[N];
	ll d[N] {}, w[N] {};
	map<int, ll> dp[N];

	for(int i = 1; i < N; i++) 
		ri(u), g[u-1].push_back(i);
	while(M--) 
		ri(u), ri(d[u-1]), ri(w[u-1]);
 
	for(u = N; --u >= 0; ) {
		int h = 0;
		for(int v : g[u])
			if(size(dp[v]) > size(dp[h])) 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;
}

Compilation message

magictree.cpp:5:9: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
    5 | void ri(auto &I){
      |         ^~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 20684 KB Output is correct
2 Correct 28 ms 14284 KB Output is correct
3 Correct 92 ms 34232 KB Output is correct
4 Correct 44 ms 19256 KB Output is correct
5 Correct 62 ms 18952 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 23 ms 11948 KB Output is correct
5 Correct 50 ms 15872 KB Output is correct
6 Correct 41 ms 12068 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 14848 KB Output is correct
2 Correct 33 ms 14084 KB Output is correct
3 Correct 24 ms 12632 KB Output is correct
4 Correct 21 ms 15500 KB Output is correct
5 Correct 19 ms 11980 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 53 ms 18880 KB Output is correct
11 Correct 46 ms 17548 KB Output is correct
12 Correct 30 ms 12620 KB Output is correct
13 Correct 21 ms 15560 KB Output is correct
14 Correct 19 ms 12024 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 3020 KB Output is correct
2 Correct 26 ms 13780 KB Output is correct
3 Correct 24 ms 13764 KB Output is correct
4 Correct 28 ms 13848 KB Output is correct
5 Correct 15 ms 15608 KB Output is correct
6 Correct 24 ms 14024 KB Output is correct
7 Correct 18 ms 12616 KB Output is correct

Subtask #7
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 23 ms 11948 KB Output is correct
14 Correct 50 ms 15872 KB Output is correct
15 Correct 41 ms 12068 KB Output is correct
16 Correct 53 ms 18880 KB Output is correct
17 Correct 46 ms 17548 KB Output is correct
18 Correct 30 ms 12620 KB Output is correct
19 Correct 21 ms 15560 KB Output is correct
20 Correct 19 ms 12024 KB Output is correct
21 Correct 13 ms 5676 KB Output is correct
22 Correct 69 ms 22112 KB Output is correct
23 Correct 71 ms 26284 KB Output is correct
24 Correct 108 ms 35548 KB Output is correct
25 Correct 50 ms 19232 KB Output is correct
26 Correct 71 ms 18792 KB Output is correct
27 Correct 54 ms 15004 KB Output is correct

Subtask #8
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 54 ms 20684 KB Output is correct
11 Correct 28 ms 14284 KB Output is correct
12 Correct 92 ms 34232 KB Output is correct
13 Correct 44 ms 19256 KB Output is correct
14 Correct 62 ms 18952 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 23 ms 11948 KB Output is correct
19 Correct 50 ms 15872 KB Output is correct
20 Correct 41 ms 12068 KB Output is correct
21 Correct 37 ms 14848 KB Output is correct
22 Correct 33 ms 14084 KB Output is correct
23 Correct 24 ms 12632 KB Output is correct
24 Correct 21 ms 15500 KB Output is correct
25 Correct 19 ms 11980 KB Output is correct
26 Correct 53 ms 18880 KB Output is correct
27 Correct 46 ms 17548 KB Output is correct
28 Correct 30 ms 12620 KB Output is correct
29 Correct 21 ms 15560 KB Output is correct
30 Correct 19 ms 12024 KB Output is correct
31 Correct 5 ms 3020 KB Output is correct
32 Correct 26 ms 13780 KB Output is correct
33 Correct 24 ms 13764 KB Output is correct
34 Correct 28 ms 13848 KB Output is correct
35 Correct 15 ms 15608 KB Output is correct
36 Correct 24 ms 14024 KB Output is correct
37 Correct 18 ms 12616 KB Output is correct
38 Correct 13 ms 5676 KB Output is correct
39 Correct 69 ms 22112 KB Output is correct
40 Correct 71 ms 26284 KB Output is correct
41 Correct 108 ms 35548 KB Output is correct
42 Correct 50 ms 19232 KB Output is correct
43 Correct 71 ms 18792 KB Output is correct
44 Correct 54 ms 15004 KB Output is correct
45 Correct 12 ms 5324 KB Output is correct
46 Correct 58 ms 21132 KB Output is correct
47 Correct 69 ms 24460 KB Output is correct
48 Correct 97 ms 32020 KB Output is correct
49 Correct 46 ms 19244 KB Output is correct
50 Correct 67 ms 18152 KB Output is correct
51 Correct 56 ms 14548 KB Output is correct