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Submission #387849

# Submission time Handle Problem Language Result Execution time Memory
387849 2021-04-09T09:38:05 Z oolimry Worst Reporter 4 (JOI21_worst_reporter4) C++17
79 / 100
 456 ms 524292 KB 
#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define sz(x) ((int) x.size())
#define show(x) cerr << #x << " is " << x << endl;
#define show2(x, y) cerr << #x << " is " << x << ", " << #y << " is " << y << endl;
typedef long long lint;
typedef pair<lint, lint> ii;

vector<int> adj[200005];
map<int, lint> dp[200005];
lint cost[200005];
lint original[200005];

void dfs(int u){
	for(int v : adj[u]){
		dfs(v);
		
		if(sz(dp[u]) < sz(dp[v])) swap(dp[u], dp[v]);
		
		map<int, lint> &cur = dp[u];
		
		for(ii x : dp[v]){
			if(cur.count(x.first)) cur[x.first] += x.second;
			else cur[x.first] = x.second;
		}
	}
	
	
	lint O = original[u]; lint C = cost[u];
	map<int, lint> &cur = dp[u];
	if(cur.count(O)) cur[O] += C ;
	else cur[O] = C;
	
	while(true){
		auto it = cur.upper_bound(O);
		if(it == cur.end()) break;
		if(it->second > C){
			it->second -= C;
			break;
		}
		else{
			C -= it->second;
			cur.erase(it);
		}
	}
}

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0);
	
	lint ans = 0;
	int n; cin >> n;
	for(int i = 1;i <= n;i++){
		int a; cin >> a >> original[i] >> cost[i];
		original[i] *= -1;
		if(i != a) adj[a].push_back(i);
		ans += cost[i];
	}
	
	dfs(1);
	for(ii x : dp[1]) ans -= x.second;
	
	cout << ans;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 14412 KB Output is correct
2 Correct 10 ms 14404 KB Output is correct
3 Correct 9 ms 14412 KB Output is correct
4 Correct 10 ms 14316 KB Output is correct
5 Correct 15 ms 15664 KB Output is correct
6 Correct 37 ms 15176 KB Output is correct
7 Correct 13 ms 14944 KB Output is correct
8 Correct 16 ms 15668 KB Output is correct
9 Correct 15 ms 15180 KB Output is correct
10 Correct 14 ms 15004 KB Output is correct
11 Correct 12 ms 14868 KB Output is correct
12 Correct 13 ms 15308 KB Output is correct
13 Correct 13 ms 15328 KB Output is correct
14 Correct 14 ms 15116 KB Output is correct
15 Correct 13 ms 15052 KB Output is correct
16 Correct 18 ms 15968 KB Output is correct
17 Correct 18 ms 15436 KB Output is correct
18 Correct 12 ms 14840 KB Output is correct
19 Correct 14 ms 15308 KB Output is correct
20 Correct 12 ms 15052 KB Output is correct
21 Correct 12 ms 15112 KB Output is correct
22 Correct 14 ms 15200 KB Output is correct
23 Correct 14 ms 14944 KB Output is correct
24 Correct 17 ms 15328 KB Output is correct
25 Correct 12 ms 15196 KB Output is correct
26 Correct 12 ms 15416 KB Output is correct
27 Correct 16 ms 15352 KB Output is correct
28 Correct 13 ms 15328 KB Output is correct
29 Correct 13 ms 15456 KB Output is correct
30 Correct 13 ms 15444 KB Output is correct
31 Correct 14 ms 15544 KB Output is correct

Subtask #2
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 15636 KB Output is correct
2 Correct 456 ms 80180 KB Output is correct
3 Correct 355 ms 55364 KB Output is correct
4 Correct 445 ms 77200 KB Output is correct
5 Correct 334 ms 55364 KB Output is correct
6 Correct 221 ms 36416 KB Output is correct
7 Correct 191 ms 31752 KB Output is correct
8 Correct 179 ms 54040 KB Output is correct
9 Correct 160 ms 53880 KB Output is correct
10 Correct 112 ms 53880 KB Output is correct
11 Correct 169 ms 41592 KB Output is correct
12 Correct 160 ms 41540 KB Output is correct
13 Correct 429 ms 105344 KB Output is correct
14 Correct 288 ms 69444 KB Output is correct
15 Correct 103 ms 31916 KB Output is correct
16 Correct 288 ms 51448 KB Output is correct
17 Correct 140 ms 44484 KB Output is correct
18 Correct 109 ms 44484 KB Output is correct
19 Correct 328 ms 47664 KB Output is correct
20 Correct 113 ms 35132 KB Output is correct
21 Correct 343 ms 52080 KB Output is correct
22 Correct 134 ms 44984 KB Output is correct
23 Correct 118 ms 54080 KB Output is correct
24 Correct 249 ms 53096 KB Output is correct
25 Correct 212 ms 58308 KB Output is correct
26 Correct 194 ms 60728 KB Output is correct
27 Correct 244 ms 59536 KB Output is correct
28 Correct 238 ms 59656 KB Output is correct

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 14412 KB Output is correct
2 Correct 10 ms 14404 KB Output is correct
3 Correct 9 ms 14412 KB Output is correct
4 Correct 10 ms 14316 KB Output is correct
5 Correct 15 ms 15664 KB Output is correct
6 Correct 37 ms 15176 KB Output is correct
7 Correct 13 ms 14944 KB Output is correct
8 Correct 16 ms 15668 KB Output is correct
9 Correct 15 ms 15180 KB Output is correct
10 Correct 14 ms 15004 KB Output is correct
11 Correct 12 ms 14868 KB Output is correct
12 Correct 13 ms 15308 KB Output is correct
13 Correct 13 ms 15328 KB Output is correct
14 Correct 14 ms 15116 KB Output is correct
15 Correct 13 ms 15052 KB Output is correct
16 Correct 18 ms 15968 KB Output is correct
17 Correct 18 ms 15436 KB Output is correct
18 Correct 12 ms 14840 KB Output is correct
19 Correct 14 ms 15308 KB Output is correct
20 Correct 12 ms 15052 KB Output is correct
21 Correct 12 ms 15112 KB Output is correct
22 Correct 14 ms 15200 KB Output is correct
23 Correct 14 ms 14944 KB Output is correct
24 Correct 17 ms 15328 KB Output is correct
25 Correct 12 ms 15196 KB Output is correct
26 Correct 12 ms 15416 KB Output is correct
27 Correct 16 ms 15352 KB Output is correct
28 Correct 13 ms 15328 KB Output is correct
29 Correct 13 ms 15456 KB Output is correct
30 Correct 13 ms 15444 KB Output is correct
31 Correct 14 ms 15544 KB Output is correct
32 Correct 17 ms 15636 KB Output is correct
33 Correct 456 ms 80180 KB Output is correct
34 Correct 355 ms 55364 KB Output is correct
35 Correct 445 ms 77200 KB Output is correct
36 Correct 334 ms 55364 KB Output is correct
37 Correct 221 ms 36416 KB Output is correct
38 Correct 191 ms 31752 KB Output is correct
39 Correct 179 ms 54040 KB Output is correct
40 Correct 160 ms 53880 KB Output is correct
41 Correct 112 ms 53880 KB Output is correct
42 Correct 169 ms 41592 KB Output is correct
43 Correct 160 ms 41540 KB Output is correct
44 Correct 429 ms 105344 KB Output is correct
45 Correct 288 ms 69444 KB Output is correct
46 Correct 103 ms 31916 KB Output is correct
47 Correct 288 ms 51448 KB Output is correct
48 Correct 140 ms 44484 KB Output is correct
49 Correct 109 ms 44484 KB Output is correct
50 Correct 328 ms 47664 KB Output is correct
51 Correct 113 ms 35132 KB Output is correct
52 Correct 343 ms 52080 KB Output is correct
53 Correct 134 ms 44984 KB Output is correct
54 Correct 118 ms 54080 KB Output is correct
55 Correct 249 ms 53096 KB Output is correct
56 Correct 212 ms 58308 KB Output is correct
57 Correct 194 ms 60728 KB Output is correct
58 Correct 244 ms 59536 KB Output is correct
59 Correct 238 ms 59656 KB Output is correct
60 Runtime error 249 ms 524292 KB Execution killed with signal 9
61 Halted 0 ms 0 KB -