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Submission #1002168

# Submission time Handle Problem Language Result Execution time Memory
1002168 2024-06-19T10:38:57 Z shenfe1 Fireworks (APIO16_fireworks) C++17
55 / 100
 106 ms 44116 KB 
#include <bits/stdc++.h>

#pragma GCC optimize("03")
#pragma GCC target("avx2")

#define ll long long
#define lb lower_bound
#define ub upper_bound
#define pii pair<int,int>
#define F first
#define S second
#define ld long double
#define pb push_back
#define all(v) v.begin(),v.end()
#define in insert
#define sz(s) (int)s.size()
#define int ll
#define ppb pop_back
#define mem(a,i) memset(a,i,sizeof(a))

using namespace std;
 
const int MAX=2e5+100;
const ll inf=2e18;
const int mod=1e9+7;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int n,m;
vector<int> g[MAX];
int a[MAX];
multiset<int> st[MAX];
int slope[MAX];

void mrg(int v,int to){
	slope[v]+=slope[to];
	if(sz(st[v])<sz(st[to]))swap(st[v],st[to]);
	for(int x:st[to])st[v].in(x);
	st[to].clear();
}

void dfs(int v){
	if(g[v].empty()){
		slope[v]=-1;
		st[v].in(a[v]);
		st[v].in(a[v]);
		return;
	}
	for(auto to:g[v]){
		dfs(to);
		mrg(v,to);
	}
	while(sz(st[v])+slope[v]>1){
		st[v].erase(--st[v].end());
	}
	int A=*(--st[v].end());
	st[v].erase(--st[v].end());
	int B=*(--st[v].end());
	st[v].erase(--st[v].end());
	A+=a[v],B+=a[v];
	st[v].in(A);st[v].in(B);
}

void solve(){
	cin>>n>>m;
	int ans=0;
	for(int i=2;i<=n+m;i++){
		int p;
		cin>>p>>a[i];
		g[p].pb(i);
		ans+=a[i];
	}
	dfs(1);
	int prev=0;
	// cout<<ans<<"\n";
	// slope[1]++;
	for(int i:st[1]){
		// cout<<i<<" ";
		ans+=slope[1]*(i-prev);
		prev=i;
		// cout<<i-prev<<" "<<slope[1]<<"\n";
		slope[1]++;
	}
	cout<<ans;
}

signed main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);

	int t=1;
	// cin>>t;
	while(t--)solve();
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 14572 KB Output is correct
2 Correct 5 ms 14428 KB Output is correct
3 Correct 5 ms 14428 KB Output is correct
4 Correct 5 ms 14428 KB Output is correct
5 Correct 7 ms 14424 KB Output is correct
6 Correct 5 ms 14580 KB Output is correct
7 Correct 6 ms 14424 KB Output is correct
8 Correct 5 ms 14428 KB Output is correct
9 Correct 5 ms 14576 KB Output is correct
10 Correct 5 ms 14428 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14428 KB Output is correct
2 Correct 6 ms 14424 KB Output is correct
3 Correct 6 ms 14576 KB Output is correct
4 Correct 5 ms 14428 KB Output is correct
5 Correct 5 ms 14568 KB Output is correct
6 Correct 5 ms 14428 KB Output is correct
7 Correct 5 ms 14428 KB Output is correct
8 Correct 5 ms 14584 KB Output is correct
9 Correct 5 ms 14428 KB Output is correct
10 Correct 5 ms 14376 KB Output is correct
11 Correct 6 ms 14428 KB Output is correct
12 Correct 6 ms 14428 KB Output is correct
13 Correct 5 ms 14428 KB Output is correct
14 Correct 6 ms 14424 KB Output is correct
15 Correct 6 ms 14428 KB Output is correct
16 Correct 6 ms 14428 KB Output is correct
17 Correct 5 ms 14428 KB Output is correct
18 Correct 6 ms 14428 KB Output is correct
19 Correct 8 ms 14428 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 14572 KB Output is correct
2 Correct 5 ms 14428 KB Output is correct
3 Correct 5 ms 14428 KB Output is correct
4 Correct 5 ms 14428 KB Output is correct
5 Correct 7 ms 14424 KB Output is correct
6 Correct 5 ms 14580 KB Output is correct
7 Correct 6 ms 14424 KB Output is correct
8 Correct 5 ms 14428 KB Output is correct
9 Correct 5 ms 14576 KB Output is correct
10 Correct 5 ms 14428 KB Output is correct
11 Correct 8 ms 14428 KB Output is correct
12 Correct 6 ms 14424 KB Output is correct
13 Correct 6 ms 14576 KB Output is correct
14 Correct 5 ms 14428 KB Output is correct
15 Correct 5 ms 14568 KB Output is correct
16 Correct 5 ms 14428 KB Output is correct
17 Correct 5 ms 14428 KB Output is correct
18 Correct 5 ms 14584 KB Output is correct
19 Correct 5 ms 14428 KB Output is correct
20 Correct 5 ms 14376 KB Output is correct
21 Correct 6 ms 14428 KB Output is correct
22 Correct 6 ms 14428 KB Output is correct
23 Correct 5 ms 14428 KB Output is correct
24 Correct 6 ms 14424 KB Output is correct
25 Correct 6 ms 14428 KB Output is correct
26 Correct 6 ms 14428 KB Output is correct
27 Correct 5 ms 14428 KB Output is correct
28 Correct 6 ms 14428 KB Output is correct
29 Correct 8 ms 14428 KB Output is correct
30 Correct 6 ms 14684 KB Output is correct
31 Correct 6 ms 14428 KB Output is correct
32 Correct 5 ms 14684 KB Output is correct
33 Correct 6 ms 14684 KB Output is correct
34 Correct 7 ms 14636 KB Output is correct
35 Correct 8 ms 14664 KB Output is correct
36 Correct 7 ms 14844 KB Output is correct
37 Correct 8 ms 14680 KB Output is correct
38 Correct 8 ms 14684 KB Output is correct
39 Correct 8 ms 14936 KB Output is correct
40 Correct 7 ms 15196 KB Output is correct
41 Correct 7 ms 15192 KB Output is correct
42 Correct 6 ms 14684 KB Output is correct
43 Correct 7 ms 14960 KB Output is correct
44 Correct 7 ms 14940 KB Output is correct
45 Correct 8 ms 14848 KB Output is correct
46 Correct 8 ms 14940 KB Output is correct
47 Correct 8 ms 15192 KB Output is correct
48 Correct 8 ms 14936 KB Output is correct
49 Correct 7 ms 14940 KB Output is correct
50 Correct 7 ms 14816 KB Output is correct
51 Correct 9 ms 14940 KB Output is correct
52 Correct 7 ms 14940 KB Output is correct
53 Correct 8 ms 14940 KB Output is correct
54 Correct 7 ms 15196 KB Output is correct

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 14572 KB Output is correct
2 Correct 5 ms 14428 KB Output is correct
3 Correct 5 ms 14428 KB Output is correct
4 Correct 5 ms 14428 KB Output is correct
5 Correct 7 ms 14424 KB Output is correct
6 Correct 5 ms 14580 KB Output is correct
7 Correct 6 ms 14424 KB Output is correct
8 Correct 5 ms 14428 KB Output is correct
9 Correct 5 ms 14576 KB Output is correct
10 Correct 5 ms 14428 KB Output is correct
11 Correct 8 ms 14428 KB Output is correct
12 Correct 6 ms 14424 KB Output is correct
13 Correct 6 ms 14576 KB Output is correct
14 Correct 5 ms 14428 KB Output is correct
15 Correct 5 ms 14568 KB Output is correct
16 Correct 5 ms 14428 KB Output is correct
17 Correct 5 ms 14428 KB Output is correct
18 Correct 5 ms 14584 KB Output is correct
19 Correct 5 ms 14428 KB Output is correct
20 Correct 5 ms 14376 KB Output is correct
21 Correct 6 ms 14428 KB Output is correct
22 Correct 6 ms 14428 KB Output is correct
23 Correct 5 ms 14428 KB Output is correct
24 Correct 6 ms 14424 KB Output is correct
25 Correct 6 ms 14428 KB Output is correct
26 Correct 6 ms 14428 KB Output is correct
27 Correct 5 ms 14428 KB Output is correct
28 Correct 6 ms 14428 KB Output is correct
29 Correct 8 ms 14428 KB Output is correct
30 Correct 6 ms 14684 KB Output is correct
31 Correct 6 ms 14428 KB Output is correct
32 Correct 5 ms 14684 KB Output is correct
33 Correct 6 ms 14684 KB Output is correct
34 Correct 7 ms 14636 KB Output is correct
35 Correct 8 ms 14664 KB Output is correct
36 Correct 7 ms 14844 KB Output is correct
37 Correct 8 ms 14680 KB Output is correct
38 Correct 8 ms 14684 KB Output is correct
39 Correct 8 ms 14936 KB Output is correct
40 Correct 7 ms 15196 KB Output is correct
41 Correct 7 ms 15192 KB Output is correct
42 Correct 6 ms 14684 KB Output is correct
43 Correct 7 ms 14960 KB Output is correct
44 Correct 7 ms 14940 KB Output is correct
45 Correct 8 ms 14848 KB Output is correct
46 Correct 8 ms 14940 KB Output is correct
47 Correct 8 ms 15192 KB Output is correct
48 Correct 8 ms 14936 KB Output is correct
49 Correct 7 ms 14940 KB Output is correct
50 Correct 7 ms 14816 KB Output is correct
51 Correct 9 ms 14940 KB Output is correct
52 Correct 7 ms 14940 KB Output is correct
53 Correct 8 ms 14940 KB Output is correct
54 Correct 7 ms 15196 KB Output is correct
55 Correct 11 ms 15704 KB Output is correct
56 Correct 27 ms 18032 KB Output is correct
57 Correct 43 ms 20316 KB Output is correct
58 Correct 56 ms 22352 KB Output is correct
59 Correct 106 ms 24912 KB Output is correct
60 Correct 98 ms 27316 KB Output is correct
61 Runtime error 50 ms 44116 KB Execution killed with signal 11
62 Halted 0 ms 0 KB -