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Submission #474149

# Submission time Handle Problem Language Result Execution time Memory
474149 2021-09-17T02:42:33 Z CSQ31 Fireworks (APIO16_fireworks) C++17
100 / 100
 398 ms 103492 KB 
#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;
struct slope{
	multiset<ll>s;
	ll m=0,c=0;
	slope(){}
	slope(ll _m,ll _c ,ll x){
		m = _m;
		c = _c;
		s.insert(x);
		s.insert(x);
	}
	void merge(const slope &t){
		m+=t.m;
		c+=t.c;
		for(ll z:t.s)s.insert(z);
	}
	void upd(ll k){
		while(m>1){
			auto it = s.end();
			it--;
			m--;
			c+=*it;
			s.erase(it);
		}
		auto it = s.end();
		it--;
		ll a = *it+k;
		s.erase(it);
		it = s.end();
		it--;
		ll b = *it+k;
		s.erase(it);
		s.insert(a);s.insert(b);
		c-=k;
	}
};
const int MAXN = 3e5+1;
vii adj(MAXN);
vector<ll>w(MAXN);
vector<slope>dp(MAXN);
void dfs(int v){
	if(!sz(adj[v]))dp[v] = slope(1,-w[v],w[v]);
	for(int x:adj[v]){
		   dfs(x);
		   if(sz(adj[x]))dp[x].upd(w[x]);
	}
	for(int x:adj[v]){
		if(sz(dp[x].s) > sz(dp[v].s)){
			swap(dp[x].s,dp[v].s);
			swap(dp[x].c,dp[v].c);
			swap(dp[x].m,dp[v].m);
		}
		dp[v].merge(dp[x]);
	}
	/*
	cout<<"node"<<" "<<v<<'\n';
	cout<<"container :"<<'\n';
	for(int x:dp[v].s)cout<<x<<" ";
	cout<<'\n';
	cout<<dp[v].m<<" "<<dp[v].c<<'\n';
	* */
	
}
int main()
{
	owo
	int n,m;
	cin>>n>>m;
	for(int i=2;i<=n+m;i++){
		int p;
		cin>>p>>w[i];
		adj[p].pb(i);
	}
	dfs(1);
	while(dp[1].m >= 1){
		auto it = dp[1].s.end();
		it--;
		dp[1].m--;
		dp[1].c+=*it;
		dp[1].s.erase(it);	
	}
	cout<<dp[1].c<<'\n';
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 28492 KB Output is correct
2 Correct 16 ms 28432 KB Output is correct
3 Correct 15 ms 28508 KB Output is correct
4 Correct 15 ms 28480 KB Output is correct
5 Correct 16 ms 28404 KB Output is correct
6 Correct 16 ms 28512 KB Output is correct
7 Correct 16 ms 28528 KB Output is correct
8 Correct 17 ms 28492 KB Output is correct
9 Correct 15 ms 28492 KB Output is correct
10 Correct 15 ms 28508 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 28492 KB Output is correct
2 Correct 15 ms 28504 KB Output is correct
3 Correct 15 ms 28468 KB Output is correct
4 Correct 15 ms 28492 KB Output is correct
5 Correct 16 ms 28492 KB Output is correct
6 Correct 16 ms 28492 KB Output is correct
7 Correct 15 ms 28492 KB Output is correct
8 Correct 16 ms 28492 KB Output is correct
9 Correct 16 ms 28512 KB Output is correct
10 Correct 16 ms 28492 KB Output is correct
11 Correct 16 ms 28500 KB Output is correct
12 Correct 16 ms 28504 KB Output is correct
13 Correct 16 ms 28492 KB Output is correct
14 Correct 17 ms 28484 KB Output is correct
15 Correct 16 ms 28516 KB Output is correct
16 Correct 15 ms 28504 KB Output is correct
17 Correct 15 ms 28492 KB Output is correct
18 Correct 16 ms 28492 KB Output is correct
19 Correct 16 ms 28548 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 28492 KB Output is correct
2 Correct 16 ms 28432 KB Output is correct
3 Correct 15 ms 28508 KB Output is correct
4 Correct 15 ms 28480 KB Output is correct
5 Correct 16 ms 28404 KB Output is correct
6 Correct 16 ms 28512 KB Output is correct
7 Correct 16 ms 28528 KB Output is correct
8 Correct 17 ms 28492 KB Output is correct
9 Correct 15 ms 28492 KB Output is correct
10 Correct 15 ms 28508 KB Output is correct
11 Correct 15 ms 28492 KB Output is correct
12 Correct 15 ms 28504 KB Output is correct
13 Correct 15 ms 28468 KB Output is correct
14 Correct 15 ms 28492 KB Output is correct
15 Correct 16 ms 28492 KB Output is correct
16 Correct 16 ms 28492 KB Output is correct
17 Correct 15 ms 28492 KB Output is correct
18 Correct 16 ms 28492 KB Output is correct
19 Correct 16 ms 28512 KB Output is correct
20 Correct 16 ms 28492 KB Output is correct
21 Correct 16 ms 28500 KB Output is correct
22 Correct 16 ms 28504 KB Output is correct
23 Correct 16 ms 28492 KB Output is correct
24 Correct 17 ms 28484 KB Output is correct
25 Correct 16 ms 28516 KB Output is correct
26 Correct 15 ms 28504 KB Output is correct
27 Correct 15 ms 28492 KB Output is correct
28 Correct 16 ms 28492 KB Output is correct
29 Correct 16 ms 28548 KB Output is correct
30 Correct 16 ms 28492 KB Output is correct
31 Correct 16 ms 28620 KB Output is correct
32 Correct 17 ms 28644 KB Output is correct
33 Correct 17 ms 28728 KB Output is correct
34 Correct 21 ms 28736 KB Output is correct
35 Correct 18 ms 28900 KB Output is correct
36 Correct 18 ms 28876 KB Output is correct
37 Correct 19 ms 28976 KB Output is correct
38 Correct 20 ms 29004 KB Output is correct
39 Correct 20 ms 29088 KB Output is correct
40 Correct 19 ms 29548 KB Output is correct
41 Correct 18 ms 29488 KB Output is correct
42 Correct 18 ms 28748 KB Output is correct
43 Correct 19 ms 29388 KB Output is correct
44 Correct 19 ms 29244 KB Output is correct
45 Correct 19 ms 29308 KB Output is correct
46 Correct 19 ms 29468 KB Output is correct
47 Correct 20 ms 29388 KB Output is correct
48 Correct 19 ms 29292 KB Output is correct
49 Correct 19 ms 29416 KB Output is correct
50 Correct 18 ms 29296 KB Output is correct
51 Correct 19 ms 29148 KB Output is correct
52 Correct 19 ms 29260 KB Output is correct
53 Correct 19 ms 29260 KB Output is correct
54 Correct 19 ms 29408 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 28492 KB Output is correct
2 Correct 16 ms 28432 KB Output is correct
3 Correct 15 ms 28508 KB Output is correct
4 Correct 15 ms 28480 KB Output is correct
5 Correct 16 ms 28404 KB Output is correct
6 Correct 16 ms 28512 KB Output is correct
7 Correct 16 ms 28528 KB Output is correct
8 Correct 17 ms 28492 KB Output is correct
9 Correct 15 ms 28492 KB Output is correct
10 Correct 15 ms 28508 KB Output is correct
11 Correct 15 ms 28492 KB Output is correct
12 Correct 15 ms 28504 KB Output is correct
13 Correct 15 ms 28468 KB Output is correct
14 Correct 15 ms 28492 KB Output is correct
15 Correct 16 ms 28492 KB Output is correct
16 Correct 16 ms 28492 KB Output is correct
17 Correct 15 ms 28492 KB Output is correct
18 Correct 16 ms 28492 KB Output is correct
19 Correct 16 ms 28512 KB Output is correct
20 Correct 16 ms 28492 KB Output is correct
21 Correct 16 ms 28500 KB Output is correct
22 Correct 16 ms 28504 KB Output is correct
23 Correct 16 ms 28492 KB Output is correct
24 Correct 17 ms 28484 KB Output is correct
25 Correct 16 ms 28516 KB Output is correct
26 Correct 15 ms 28504 KB Output is correct
27 Correct 15 ms 28492 KB Output is correct
28 Correct 16 ms 28492 KB Output is correct
29 Correct 16 ms 28548 KB Output is correct
30 Correct 16 ms 28492 KB Output is correct
31 Correct 16 ms 28620 KB Output is correct
32 Correct 17 ms 28644 KB Output is correct
33 Correct 17 ms 28728 KB Output is correct
34 Correct 21 ms 28736 KB Output is correct
35 Correct 18 ms 28900 KB Output is correct
36 Correct 18 ms 28876 KB Output is correct
37 Correct 19 ms 28976 KB Output is correct
38 Correct 20 ms 29004 KB Output is correct
39 Correct 20 ms 29088 KB Output is correct
40 Correct 19 ms 29548 KB Output is correct
41 Correct 18 ms 29488 KB Output is correct
42 Correct 18 ms 28748 KB Output is correct
43 Correct 19 ms 29388 KB Output is correct
44 Correct 19 ms 29244 KB Output is correct
45 Correct 19 ms 29308 KB Output is correct
46 Correct 19 ms 29468 KB Output is correct
47 Correct 20 ms 29388 KB Output is correct
48 Correct 19 ms 29292 KB Output is correct
49 Correct 19 ms 29416 KB Output is correct
50 Correct 18 ms 29296 KB Output is correct
51 Correct 19 ms 29148 KB Output is correct
52 Correct 19 ms 29260 KB Output is correct
53 Correct 19 ms 29260 KB Output is correct
54 Correct 19 ms 29408 KB Output is correct
55 Correct 26 ms 30032 KB Output is correct
56 Correct 59 ms 34916 KB Output is correct
57 Correct 101 ms 39800 KB Output is correct
58 Correct 129 ms 43160 KB Output is correct
59 Correct 171 ms 48104 KB Output is correct
60 Correct 221 ms 53264 KB Output is correct
61 Correct 244 ms 56516 KB Output is correct
62 Correct 299 ms 59944 KB Output is correct
63 Correct 359 ms 67012 KB Output is correct
64 Correct 391 ms 67440 KB Output is correct
65 Correct 159 ms 94404 KB Output is correct
66 Correct 157 ms 94348 KB Output is correct
67 Correct 162 ms 43076 KB Output is correct
68 Correct 248 ms 84796 KB Output is correct
69 Correct 308 ms 80816 KB Output is correct
70 Correct 318 ms 80892 KB Output is correct
71 Correct 369 ms 103492 KB Output is correct
72 Correct 345 ms 102996 KB Output is correct
73 Correct 375 ms 90264 KB Output is correct
74 Correct 362 ms 90156 KB Output is correct
75 Correct 363 ms 89600 KB Output is correct
76 Correct 369 ms 89844 KB Output is correct
77 Correct 363 ms 87860 KB Output is correct
78 Correct 377 ms 84956 KB Output is correct
79 Correct 398 ms 89540 KB Output is correct