답안 #254832

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
254832 2020-07-30T17:29:28 Z errorgorn Fireworks (APIO16_fireworks) C++14
100 / 100
301 ms 73336 KB
//雪花飄飄北風嘯嘯
//天地一片蒼茫
 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
#define ll long long
#define ii pair<ll,ll>
#define iii pair<ii,ll>
#define fi first
#define se second
#define endl '\n'
#define debug(x) cout << #x << " is " << x << endl;
 
#define rep(x,start,end) for(auto x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()
 
ll MAX(ll a){return a;}
ll MIN(ll a){return a;}
template<typename... Args>
ll MAX(ll a,Args... args){return max(a,MAX(args...));}
template<typename... Args>
ll MIN(ll a,Args... args){return min(a,MIN(args...));}
 
#define indexed_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>
 
mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
 
int n,m;
vector<int> al[300005];
ll d[300005];
 
ll w[300005];
priority_queue<ll> pq[300005];
 
void dfs(int i){
	if (i>n){
		pq[i].push(0);
		pq[i].push(0);
	}
	else{
		vector<ll> tops;
		
		int grad=-1;
		for (auto &it:al[i]){
			dfs(it);
			d[i]+=d[it];
			grad++;
			
			tops.push_back(pq[it].top());
			if (pq[i].empty()) swap(pq[i],pq[it]);
			else{
				if (sz(pq[i])<sz(pq[it])) swap(pq[i],pq[it]);
				
				while (!pq[it].empty()){
					pq[i].push(pq[it].top());
					pq[it].pop();
				}
			}
		}
		
		for (auto &it:tops) d[i]+=pq[i].top()-it;
		while (grad){
			ll temp=pq[i].top();
			pq[i].pop();
			d[i]-=grad*(temp-pq[i].top());
			grad--;
		}
	}
	
	ll t1,t2;
	t1=pq[i].top(),pq[i].pop();
	t2=pq[i].top(),pq[i].pop();
	pq[i].push(t1+w[i]);
	pq[i].push(t2+w[i]);
}
 
int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	cin>>n>>m;
	
	int a,b;
	rep(x,2,n+m+1){
		cin>>a>>b;
		al[a].push_back(x);
		w[x]=b;
	}
	
	dfs(1);
	cout<<d[1]<<endl;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 16768 KB Output is correct
2 Correct 11 ms 16768 KB Output is correct
3 Correct 11 ms 16768 KB Output is correct
4 Correct 15 ms 16768 KB Output is correct
5 Correct 11 ms 16768 KB Output is correct
6 Correct 10 ms 16768 KB Output is correct
7 Correct 13 ms 16768 KB Output is correct
8 Correct 11 ms 16768 KB Output is correct
9 Correct 13 ms 16768 KB Output is correct
10 Correct 9 ms 16768 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 16768 KB Output is correct
2 Correct 10 ms 16768 KB Output is correct
3 Correct 10 ms 16768 KB Output is correct
4 Correct 13 ms 16768 KB Output is correct
5 Correct 13 ms 16768 KB Output is correct
6 Correct 10 ms 16768 KB Output is correct
7 Correct 10 ms 16768 KB Output is correct
8 Correct 13 ms 16768 KB Output is correct
9 Correct 12 ms 16768 KB Output is correct
10 Correct 11 ms 16768 KB Output is correct
11 Correct 12 ms 16768 KB Output is correct
12 Correct 10 ms 16768 KB Output is correct
13 Correct 11 ms 16768 KB Output is correct
14 Correct 11 ms 16896 KB Output is correct
15 Correct 14 ms 16768 KB Output is correct
16 Correct 11 ms 16768 KB Output is correct
17 Correct 11 ms 16768 KB Output is correct
18 Correct 11 ms 16768 KB Output is correct
19 Correct 11 ms 16792 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 16768 KB Output is correct
2 Correct 11 ms 16768 KB Output is correct
3 Correct 11 ms 16768 KB Output is correct
4 Correct 15 ms 16768 KB Output is correct
5 Correct 11 ms 16768 KB Output is correct
6 Correct 10 ms 16768 KB Output is correct
7 Correct 13 ms 16768 KB Output is correct
8 Correct 11 ms 16768 KB Output is correct
9 Correct 13 ms 16768 KB Output is correct
10 Correct 9 ms 16768 KB Output is correct
11 Correct 10 ms 16768 KB Output is correct
12 Correct 10 ms 16768 KB Output is correct
13 Correct 10 ms 16768 KB Output is correct
14 Correct 13 ms 16768 KB Output is correct
15 Correct 13 ms 16768 KB Output is correct
16 Correct 10 ms 16768 KB Output is correct
17 Correct 10 ms 16768 KB Output is correct
18 Correct 13 ms 16768 KB Output is correct
19 Correct 12 ms 16768 KB Output is correct
20 Correct 11 ms 16768 KB Output is correct
21 Correct 12 ms 16768 KB Output is correct
22 Correct 10 ms 16768 KB Output is correct
23 Correct 11 ms 16768 KB Output is correct
24 Correct 11 ms 16896 KB Output is correct
25 Correct 14 ms 16768 KB Output is correct
26 Correct 11 ms 16768 KB Output is correct
27 Correct 11 ms 16768 KB Output is correct
28 Correct 11 ms 16768 KB Output is correct
29 Correct 11 ms 16792 KB Output is correct
30 Correct 14 ms 16768 KB Output is correct
31 Correct 12 ms 16860 KB Output is correct
32 Correct 12 ms 16896 KB Output is correct
33 Correct 13 ms 17024 KB Output is correct
34 Correct 13 ms 17024 KB Output is correct
35 Correct 16 ms 17024 KB Output is correct
36 Correct 12 ms 17024 KB Output is correct
37 Correct 14 ms 17152 KB Output is correct
38 Correct 12 ms 17152 KB Output is correct
39 Correct 13 ms 17152 KB Output is correct
40 Correct 15 ms 17664 KB Output is correct
41 Correct 13 ms 17664 KB Output is correct
42 Correct 18 ms 17152 KB Output is correct
43 Correct 14 ms 17408 KB Output is correct
44 Correct 14 ms 17280 KB Output is correct
45 Correct 16 ms 17280 KB Output is correct
46 Correct 13 ms 17280 KB Output is correct
47 Correct 13 ms 17280 KB Output is correct
48 Correct 13 ms 17152 KB Output is correct
49 Correct 13 ms 17152 KB Output is correct
50 Correct 13 ms 17152 KB Output is correct
51 Correct 12 ms 17152 KB Output is correct
52 Correct 12 ms 17152 KB Output is correct
53 Correct 13 ms 17280 KB Output is correct
54 Correct 15 ms 17280 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 16768 KB Output is correct
2 Correct 11 ms 16768 KB Output is correct
3 Correct 11 ms 16768 KB Output is correct
4 Correct 15 ms 16768 KB Output is correct
5 Correct 11 ms 16768 KB Output is correct
6 Correct 10 ms 16768 KB Output is correct
7 Correct 13 ms 16768 KB Output is correct
8 Correct 11 ms 16768 KB Output is correct
9 Correct 13 ms 16768 KB Output is correct
10 Correct 9 ms 16768 KB Output is correct
11 Correct 10 ms 16768 KB Output is correct
12 Correct 10 ms 16768 KB Output is correct
13 Correct 10 ms 16768 KB Output is correct
14 Correct 13 ms 16768 KB Output is correct
15 Correct 13 ms 16768 KB Output is correct
16 Correct 10 ms 16768 KB Output is correct
17 Correct 10 ms 16768 KB Output is correct
18 Correct 13 ms 16768 KB Output is correct
19 Correct 12 ms 16768 KB Output is correct
20 Correct 11 ms 16768 KB Output is correct
21 Correct 12 ms 16768 KB Output is correct
22 Correct 10 ms 16768 KB Output is correct
23 Correct 11 ms 16768 KB Output is correct
24 Correct 11 ms 16896 KB Output is correct
25 Correct 14 ms 16768 KB Output is correct
26 Correct 11 ms 16768 KB Output is correct
27 Correct 11 ms 16768 KB Output is correct
28 Correct 11 ms 16768 KB Output is correct
29 Correct 11 ms 16792 KB Output is correct
30 Correct 14 ms 16768 KB Output is correct
31 Correct 12 ms 16860 KB Output is correct
32 Correct 12 ms 16896 KB Output is correct
33 Correct 13 ms 17024 KB Output is correct
34 Correct 13 ms 17024 KB Output is correct
35 Correct 16 ms 17024 KB Output is correct
36 Correct 12 ms 17024 KB Output is correct
37 Correct 14 ms 17152 KB Output is correct
38 Correct 12 ms 17152 KB Output is correct
39 Correct 13 ms 17152 KB Output is correct
40 Correct 15 ms 17664 KB Output is correct
41 Correct 13 ms 17664 KB Output is correct
42 Correct 18 ms 17152 KB Output is correct
43 Correct 14 ms 17408 KB Output is correct
44 Correct 14 ms 17280 KB Output is correct
45 Correct 16 ms 17280 KB Output is correct
46 Correct 13 ms 17280 KB Output is correct
47 Correct 13 ms 17280 KB Output is correct
48 Correct 13 ms 17152 KB Output is correct
49 Correct 13 ms 17152 KB Output is correct
50 Correct 13 ms 17152 KB Output is correct
51 Correct 12 ms 17152 KB Output is correct
52 Correct 12 ms 17152 KB Output is correct
53 Correct 13 ms 17280 KB Output is correct
54 Correct 15 ms 17280 KB Output is correct
55 Correct 18 ms 17792 KB Output is correct
56 Correct 48 ms 20472 KB Output is correct
57 Correct 79 ms 23164 KB Output is correct
58 Correct 100 ms 24816 KB Output is correct
59 Correct 135 ms 27632 KB Output is correct
60 Correct 184 ms 30276 KB Output is correct
61 Correct 197 ms 32500 KB Output is correct
62 Correct 224 ms 34028 KB Output is correct
63 Correct 279 ms 37228 KB Output is correct
64 Correct 301 ms 38100 KB Output is correct
65 Correct 160 ms 73336 KB Output is correct
66 Correct 162 ms 73336 KB Output is correct
67 Correct 162 ms 35832 KB Output is correct
68 Correct 200 ms 54504 KB Output is correct
69 Correct 230 ms 51304 KB Output is correct
70 Correct 239 ms 51304 KB Output is correct
71 Correct 228 ms 45968 KB Output is correct
72 Correct 226 ms 46432 KB Output is correct
73 Correct 198 ms 42464 KB Output is correct
74 Correct 198 ms 42592 KB Output is correct
75 Correct 194 ms 41588 KB Output is correct
76 Correct 199 ms 41460 KB Output is correct
77 Correct 205 ms 41464 KB Output is correct
78 Correct 201 ms 39496 KB Output is correct
79 Correct 183 ms 42340 KB Output is correct