답안 #473721

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
473721	2021-09-15T22:10:04 Z	CSQ31	Magic Tree (CEOI19_magictree)	C++17	100 / 100	163 ms	35392 KB

magictree

#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define mp make_pair
#define all(a) a.begin(),a.end()
#define sz(a) (int)(a.size())
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define MOD (ll)(1e9+7)
#define INF (ll)(1e18)
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
const int MAXN = 1e5;
vii adj(MAXN);
ll d[MAXN],w[MAXN];
map<ll,ll>dp[MAXN];
void dfs(int v){
	if(!sz(adj[v])){
		dp[v][d[v]]+=w[v];
		return;
	}
	for(int x:adj[v]){
		dfs(x);
		if(sz(dp[x]) > sz(dp[v]))swap(dp[x],dp[v]);
		for(auto z:dp[x])dp[v][z.fi]+=z.se;
	}
	if(w[v]){
		dp[v][d[v]]+=w[v];
		ll cur = w[v];
		while(true){
			auto it = dp[v].ub(d[v]);
			if(it == dp[v].end())break;
			if(it->se <= cur){
				cur-=it->se;
				dp[v].erase(it);
			}else{
				it->se -= cur;
				break;
			}
		}
		
	}	
}
int main()
{
	owo
	int n,m,k;
	cin>>n>>m>>k;
	for(int i=1;i<n;i++){
		int p;
		cin>>p;
		adj[p-1].pb(i);
	}
	while(m--){
		int a,b,c;
		cin>>a>>b>>c;
		a--;
		d[a] = b;
		w[a] = c;
	}
	dfs(0);
	ll ans = 0;
	for(auto x:dp[0])ans+=x.se;
	cout<<ans;
	
	
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	7372 KB	Output is correct
2	Correct	4 ms	7384 KB	Output is correct
3	Correct	4 ms	7276 KB	Output is correct
4	Correct	5 ms	7372 KB	Output is correct
5	Correct	4 ms	7372 KB	Output is correct
6	Correct	6 ms	7372 KB	Output is correct
7	Correct	6 ms	7380 KB	Output is correct
8	Correct	4 ms	7372 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct

Subtask #2
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	83 ms	20632 KB	Output is correct
2	Correct	54 ms	18776 KB	Output is correct
3	Correct	161 ms	35392 KB	Output is correct
4	Correct	97 ms	19160 KB	Output is correct
5	Correct	134 ms	20292 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	7500 KB	Output is correct
2	Correct	5 ms	7500 KB	Output is correct
3	Correct	5 ms	7500 KB	Output is correct
4	Correct	62 ms	27976 KB	Output is correct
5	Correct	86 ms	31968 KB	Output is correct
6	Correct	82 ms	28000 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	89 ms	14632 KB	Output is correct
2	Correct	82 ms	15968 KB	Output is correct
3	Correct	74 ms	20368 KB	Output is correct
4	Correct	51 ms	17244 KB	Output is correct
5	Correct	59 ms	28244 KB	Output is correct

Subtask #5
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	7372 KB	Output is correct
2	Correct	4 ms	7384 KB	Output is correct
3	Correct	4 ms	7276 KB	Output is correct
4	Correct	5 ms	7372 KB	Output is correct
5	Correct	4 ms	7372 KB	Output is correct
6	Correct	6 ms	7372 KB	Output is correct
7	Correct	6 ms	7380 KB	Output is correct
8	Correct	4 ms	7372 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	89 ms	19100 KB	Output is correct
11	Correct	85 ms	18020 KB	Output is correct
12	Correct	62 ms	19708 KB	Output is correct
13	Correct	50 ms	16664 KB	Output is correct
14	Correct	58 ms	27604 KB	Output is correct

Subtask #6
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	8780 KB	Output is correct
2	Correct	46 ms	14304 KB	Output is correct
3	Correct	65 ms	14268 KB	Output is correct
4	Correct	61 ms	14436 KB	Output is correct
5	Correct	23 ms	15820 KB	Output is correct
6	Correct	49 ms	17380 KB	Output is correct
7	Correct	40 ms	18904 KB	Output is correct

Subtask #7
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	7372 KB	Output is correct
2	Correct	4 ms	7384 KB	Output is correct
3	Correct	4 ms	7276 KB	Output is correct
4	Correct	5 ms	7372 KB	Output is correct
5	Correct	4 ms	7372 KB	Output is correct
6	Correct	6 ms	7372 KB	Output is correct
7	Correct	6 ms	7380 KB	Output is correct
8	Correct	4 ms	7372 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	5 ms	7500 KB	Output is correct
11	Correct	5 ms	7500 KB	Output is correct
12	Correct	5 ms	7500 KB	Output is correct
13	Correct	62 ms	27976 KB	Output is correct
14	Correct	86 ms	31968 KB	Output is correct
15	Correct	82 ms	28000 KB	Output is correct
16	Correct	89 ms	19100 KB	Output is correct
17	Correct	85 ms	18020 KB	Output is correct
18	Correct	62 ms	19708 KB	Output is correct
19	Correct	50 ms	16664 KB	Output is correct
20	Correct	58 ms	27604 KB	Output is correct
21	Correct	25 ms	10948 KB	Output is correct
22	Correct	113 ms	21640 KB	Output is correct
23	Correct	115 ms	24824 KB	Output is correct
24	Correct	153 ms	31716 KB	Output is correct
25	Correct	93 ms	20688 KB	Output is correct
26	Correct	134 ms	22548 KB	Output is correct
27	Correct	119 ms	21576 KB	Output is correct

Subtask #8
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	7372 KB	Output is correct
2	Correct	4 ms	7384 KB	Output is correct
3	Correct	4 ms	7276 KB	Output is correct
4	Correct	5 ms	7372 KB	Output is correct
5	Correct	4 ms	7372 KB	Output is correct
6	Correct	6 ms	7372 KB	Output is correct
7	Correct	6 ms	7380 KB	Output is correct
8	Correct	4 ms	7372 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	83 ms	20632 KB	Output is correct
11	Correct	54 ms	18776 KB	Output is correct
12	Correct	161 ms	35392 KB	Output is correct
13	Correct	97 ms	19160 KB	Output is correct
14	Correct	134 ms	20292 KB	Output is correct
15	Correct	5 ms	7500 KB	Output is correct
16	Correct	5 ms	7500 KB	Output is correct
17	Correct	5 ms	7500 KB	Output is correct
18	Correct	62 ms	27976 KB	Output is correct
19	Correct	86 ms	31968 KB	Output is correct
20	Correct	82 ms	28000 KB	Output is correct
21	Correct	89 ms	14632 KB	Output is correct
22	Correct	82 ms	15968 KB	Output is correct
23	Correct	74 ms	20368 KB	Output is correct
24	Correct	51 ms	17244 KB	Output is correct
25	Correct	59 ms	28244 KB	Output is correct
26	Correct	89 ms	19100 KB	Output is correct
27	Correct	85 ms	18020 KB	Output is correct
28	Correct	62 ms	19708 KB	Output is correct
29	Correct	50 ms	16664 KB	Output is correct
30	Correct	58 ms	27604 KB	Output is correct
31	Correct	12 ms	8780 KB	Output is correct
32	Correct	46 ms	14304 KB	Output is correct
33	Correct	65 ms	14268 KB	Output is correct
34	Correct	61 ms	14436 KB	Output is correct
35	Correct	23 ms	15820 KB	Output is correct
36	Correct	49 ms	17380 KB	Output is correct
37	Correct	40 ms	18904 KB	Output is correct
38	Correct	25 ms	10948 KB	Output is correct
39	Correct	113 ms	21640 KB	Output is correct
40	Correct	115 ms	24824 KB	Output is correct
41	Correct	153 ms	31716 KB	Output is correct
42	Correct	93 ms	20688 KB	Output is correct
43	Correct	134 ms	22548 KB	Output is correct
44	Correct	119 ms	21576 KB	Output is correct
45	Correct	28 ms	11468 KB	Output is correct
46	Correct	101 ms	22840 KB	Output is correct
47	Correct	128 ms	26092 KB	Output is correct
48	Correct	163 ms	34632 KB	Output is correct
49	Correct	93 ms	21344 KB	Output is correct
50	Correct	131 ms	23492 KB	Output is correct
51	Correct	102 ms	22548 KB	Output is correct

답안 #473721

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