Submission #854540

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
854540	2023-09-27T22:22:40 Z	MilosMilutinovic	Fireworks (APIO16_fireworks)	C++14	100 / 100	275 ms	103292 KB

fireworks

#include <bits/stdc++.h>

#define pb push_back
#define fi first
#define se second
#define mp make_pair

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;

int readint(){
	int x=0,f=1; char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}

int n,m;
vector<pii> g[300005];
multiset<ll> pts[300005];

void dfs(int x,int w){
	for(auto&p:g[x]) dfs(p.fi,p.se);
	int ch=-1;
	for(auto&p:g[x]) if(ch==-1||(int)pts[ch].size()<(int)pts[p.fi].size()) ch=p.fi;
	if(ch!=-1) swap(pts[x],pts[ch]);
	for(auto&p:g[x]) if(p.fi!=ch) for(ll pt:pts[p.fi]) pts[x].insert(pt);
	for(int i=0;i<(int)g[x].size()-1;i++) pts[x].erase(prev(pts[x].end()));
	if(w==-1) return;
	if(pts[x].empty()){
		pts[x].insert(w);
		pts[x].insert(w);
	} else {
		ll a=*prev(pts[x].end());
		pts[x].erase(prev(pts[x].end()));
		ll b=*prev(pts[x].end());
		pts[x].erase(prev(pts[x].end()));
		pts[x].insert(a+w);
		pts[x].insert(b+w);
	}
}

int main(){
	n=readint(); m=readint();
	n+=m;
	for(int i=2;i<=n;i++){
		int p=readint(),c=readint();
		g[p].pb(mp(i,c));
	}
	ll tot=0;
	for(int i=1;i<=n;i++) for(auto&p:g[i]) tot+=p.se;
	dfs(1,-1);
	vector<ll> vec(1,0);
	for(ll pt:pts[1]) vec.pb(pt);
	int c=0;
	for(int i=vec.size()-1;i>0;i--){
		tot+=c*(vec[i]-vec[i-1]);
		c--;
	}
	printf("%lld\n",tot);
	return 0;
}

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	21340 KB	Output is correct
2	Correct	6 ms	21340 KB	Output is correct
3	Correct	4 ms	21596 KB	Output is correct
4	Correct	4 ms	21596 KB	Output is correct
5	Correct	7 ms	21336 KB	Output is correct
6	Correct	4 ms	21340 KB	Output is correct
7	Correct	4 ms	21596 KB	Output is correct
8	Correct	5 ms	21596 KB	Output is correct
9	Correct	5 ms	21596 KB	Output is correct
10	Correct	4 ms	21596 KB	Output is correct

Subtask #2
19.0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	21340 KB	Output is correct
2	Correct	5 ms	21544 KB	Output is correct
3	Correct	4 ms	21340 KB	Output is correct
4	Correct	4 ms	21340 KB	Output is correct
5	Correct	5 ms	21340 KB	Output is correct
6	Correct	4 ms	21340 KB	Output is correct
7	Correct	4 ms	21336 KB	Output is correct
8	Correct	4 ms	21596 KB	Output is correct
9	Correct	6 ms	21336 KB	Output is correct
10	Correct	5 ms	21444 KB	Output is correct
11	Correct	5 ms	21596 KB	Output is correct
12	Correct	5 ms	21612 KB	Output is correct
13	Correct	5 ms	21596 KB	Output is correct
14	Correct	4 ms	21592 KB	Output is correct
15	Correct	5 ms	21592 KB	Output is correct
16	Correct	4 ms	21596 KB	Output is correct
17	Correct	4 ms	21592 KB	Output is correct
18	Correct	4 ms	21596 KB	Output is correct
19	Correct	4 ms	21596 KB	Output is correct

Subtask #3
29.0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	21340 KB	Output is correct
2	Correct	6 ms	21340 KB	Output is correct
3	Correct	4 ms	21596 KB	Output is correct
4	Correct	4 ms	21596 KB	Output is correct
5	Correct	7 ms	21336 KB	Output is correct
6	Correct	4 ms	21340 KB	Output is correct
7	Correct	4 ms	21596 KB	Output is correct
8	Correct	5 ms	21596 KB	Output is correct
9	Correct	5 ms	21596 KB	Output is correct
10	Correct	4 ms	21596 KB	Output is correct
11	Correct	4 ms	21340 KB	Output is correct
12	Correct	5 ms	21544 KB	Output is correct
13	Correct	4 ms	21340 KB	Output is correct
14	Correct	4 ms	21340 KB	Output is correct
15	Correct	5 ms	21340 KB	Output is correct
16	Correct	4 ms	21340 KB	Output is correct
17	Correct	4 ms	21336 KB	Output is correct
18	Correct	4 ms	21596 KB	Output is correct
19	Correct	6 ms	21336 KB	Output is correct
20	Correct	5 ms	21444 KB	Output is correct
21	Correct	5 ms	21596 KB	Output is correct
22	Correct	5 ms	21612 KB	Output is correct
23	Correct	5 ms	21596 KB	Output is correct
24	Correct	4 ms	21592 KB	Output is correct
25	Correct	5 ms	21592 KB	Output is correct
26	Correct	4 ms	21596 KB	Output is correct
27	Correct	4 ms	21592 KB	Output is correct
28	Correct	4 ms	21596 KB	Output is correct
29	Correct	4 ms	21596 KB	Output is correct
30	Correct	4 ms	21596 KB	Output is correct
31	Correct	5 ms	21596 KB	Output is correct
32	Correct	6 ms	21584 KB	Output is correct
33	Correct	5 ms	21844 KB	Output is correct
34	Correct	6 ms	21848 KB	Output is correct
35	Correct	6 ms	21852 KB	Output is correct
36	Correct	6 ms	21852 KB	Output is correct
37	Correct	6 ms	22108 KB	Output is correct
38	Correct	7 ms	22108 KB	Output is correct
39	Correct	6 ms	22108 KB	Output is correct
40	Correct	5 ms	22200 KB	Output is correct
41	Correct	6 ms	22364 KB	Output is correct
42	Correct	6 ms	21596 KB	Output is correct
43	Correct	6 ms	22360 KB	Output is correct
44	Correct	7 ms	22364 KB	Output is correct
45	Correct	7 ms	22364 KB	Output is correct
46	Correct	7 ms	22620 KB	Output is correct
47	Correct	7 ms	22620 KB	Output is correct
48	Correct	6 ms	22360 KB	Output is correct
49	Correct	8 ms	22620 KB	Output is correct
50	Correct	7 ms	22364 KB	Output is correct
51	Correct	7 ms	22364 KB	Output is correct
52	Correct	6 ms	22428 KB	Output is correct
53	Correct	7 ms	22352 KB	Output is correct
54	Correct	7 ms	22620 KB	Output is correct

Subtask #4
45.0 / 45.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	21340 KB	Output is correct
2	Correct	6 ms	21340 KB	Output is correct
3	Correct	4 ms	21596 KB	Output is correct
4	Correct	4 ms	21596 KB	Output is correct
5	Correct	7 ms	21336 KB	Output is correct
6	Correct	4 ms	21340 KB	Output is correct
7	Correct	4 ms	21596 KB	Output is correct
8	Correct	5 ms	21596 KB	Output is correct
9	Correct	5 ms	21596 KB	Output is correct
10	Correct	4 ms	21596 KB	Output is correct
11	Correct	4 ms	21340 KB	Output is correct
12	Correct	5 ms	21544 KB	Output is correct
13	Correct	4 ms	21340 KB	Output is correct
14	Correct	4 ms	21340 KB	Output is correct
15	Correct	5 ms	21340 KB	Output is correct
16	Correct	4 ms	21340 KB	Output is correct
17	Correct	4 ms	21336 KB	Output is correct
18	Correct	4 ms	21596 KB	Output is correct
19	Correct	6 ms	21336 KB	Output is correct
20	Correct	5 ms	21444 KB	Output is correct
21	Correct	5 ms	21596 KB	Output is correct
22	Correct	5 ms	21612 KB	Output is correct
23	Correct	5 ms	21596 KB	Output is correct
24	Correct	4 ms	21592 KB	Output is correct
25	Correct	5 ms	21592 KB	Output is correct
26	Correct	4 ms	21596 KB	Output is correct
27	Correct	4 ms	21592 KB	Output is correct
28	Correct	4 ms	21596 KB	Output is correct
29	Correct	4 ms	21596 KB	Output is correct
30	Correct	4 ms	21596 KB	Output is correct
31	Correct	5 ms	21596 KB	Output is correct
32	Correct	6 ms	21584 KB	Output is correct
33	Correct	5 ms	21844 KB	Output is correct
34	Correct	6 ms	21848 KB	Output is correct
35	Correct	6 ms	21852 KB	Output is correct
36	Correct	6 ms	21852 KB	Output is correct
37	Correct	6 ms	22108 KB	Output is correct
38	Correct	7 ms	22108 KB	Output is correct
39	Correct	6 ms	22108 KB	Output is correct
40	Correct	5 ms	22200 KB	Output is correct
41	Correct	6 ms	22364 KB	Output is correct
42	Correct	6 ms	21596 KB	Output is correct
43	Correct	6 ms	22360 KB	Output is correct
44	Correct	7 ms	22364 KB	Output is correct
45	Correct	7 ms	22364 KB	Output is correct
46	Correct	7 ms	22620 KB	Output is correct
47	Correct	7 ms	22620 KB	Output is correct
48	Correct	6 ms	22360 KB	Output is correct
49	Correct	8 ms	22620 KB	Output is correct
50	Correct	7 ms	22364 KB	Output is correct
51	Correct	7 ms	22364 KB	Output is correct
52	Correct	6 ms	22428 KB	Output is correct
53	Correct	7 ms	22352 KB	Output is correct
54	Correct	7 ms	22620 KB	Output is correct
55	Correct	10 ms	23128 KB	Output is correct
56	Correct	29 ms	28348 KB	Output is correct
57	Correct	46 ms	33368 KB	Output is correct
58	Correct	64 ms	36996 KB	Output is correct
59	Correct	83 ms	41860 KB	Output is correct
60	Correct	108 ms	47060 KB	Output is correct
61	Correct	139 ms	51144 KB	Output is correct
62	Correct	176 ms	54364 KB	Output is correct
63	Correct	193 ms	61392 KB	Output is correct
64	Correct	206 ms	61856 KB	Output is correct
65	Correct	78 ms	73348 KB	Output is correct
66	Correct	78 ms	73296 KB	Output is correct
67	Correct	58 ms	35924 KB	Output is correct
68	Correct	148 ms	72896 KB	Output is correct
69	Correct	193 ms	70908 KB	Output is correct
70	Correct	223 ms	70860 KB	Output is correct
71	Correct	242 ms	102536 KB	Output is correct
72	Correct	251 ms	103292 KB	Output is correct
73	Correct	250 ms	89180 KB	Output is correct
74	Correct	259 ms	89724 KB	Output is correct
75	Correct	232 ms	89136 KB	Output is correct
76	Correct	244 ms	89032 KB	Output is correct
77	Correct	250 ms	88004 KB	Output is correct
78	Correct	269 ms	85472 KB	Output is correct
79	Correct	275 ms	90296 KB	Output is correct

Submission #854540

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 19.0 / 19.0

Subtask #3 29.0 / 29.0

Subtask #4 45.0 / 45.0

Subtask #1
7.0 / 7.0

Subtask #2
19.0 / 19.0

Subtask #3
29.0 / 29.0

Subtask #4
45.0 / 45.0