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Submission #754798

# Submission time Handle Problem Language Result Execution time Memory
754798 2023-06-08T14:33:48 Z denniskim Fireworks (APIO16_fireworks) C++17
100 / 100
 253 ms 80292 KB 
#include <bits/stdc++.h>
 
using namespace std;
typedef long long ll;
typedef __int128 lll;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ld, ld> pld;
#define MAX 9223372036854775807LL
#define MIN -9223372036854775807LL
#define INF 0x3f3f3f3f3f3f3f3f
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cout << fixed; cout.precision(10);
#define sp << " "
#define en << "\n"
#define compress(v) sort(v.begin(), v.end()), v.erase(unique(v.begin(), v.end()), v.end())
 
ll n, m;
ll all, bll;
vector<pll> vec[300010];
priority_queue<ll> pq[300010];
ll bun[300010];
ll dp[300010];
ll cc;
 
void dfs(ll here, ll pa, ll pdist)
{
	ll coco = 0;
	
	for(auto &i : vec[here])
	{
		if(i.fi == pa)
			continue;
		
		dfs(i.fi, here, i.se);
		coco++;
	}
	
	if(!coco)
	{
		bun[here] = ++cc;
		pq[bun[here]].push(pdist);
		pq[bun[here]].push(pdist);
		dp[bun[here]] = 0;
		
		return;
	}
	
	ll maxx = 0;
	
	for(auto &i : vec[here])
	{
		if(i.fi == pa)
			continue;
		
		if(maxx < (ll)pq[bun[i.fi]].size())
		{
			maxx = (ll)pq[bun[i.fi]].size();
			bun[here] = bun[i.fi];
		}
	}
	
	dp[bun[here]] -= pq[bun[here]].top();
	
	for(auto &i : vec[here])
	{
		if(i.fi == pa || bun[here] == bun[i.fi])
			continue;
		
		dp[bun[here]] += dp[bun[i.fi]];
		dp[bun[here]] -= pq[bun[i.fi]].top();
		
		while(!pq[bun[i.fi]].empty())
		{
			pq[bun[here]].push(pq[bun[i.fi]].top());
			pq[bun[i.fi]].pop();
		}
	}
	
	for(ll i = 1 ; i < coco ; i++)
	{
		dp[bun[here]] += pq[bun[here]].top();
		pq[bun[here]].pop();
	}
	
	ll gap1 = pq[bun[here]].top();
	pq[bun[here]].pop();
	ll gap2 = pq[bun[here]].top();
	pq[bun[here]].pop();
	
	dp[bun[here]] += gap1;
	pq[bun[here]].push(gap1 + pdist);
	pq[bun[here]].push(gap2 + pdist);
}
 
int main(void)
{
	fastio
	
	cin >> n >> m;
	
	n += m;
	
	for(ll i = 2 ; i <= n ; i++)
	{
		cin >> all >> bll;
		
		vec[i].push_back({all, bll});
		vec[all].push_back({i, bll});
	}
	
	dfs(1, 0, 0);
	
	cout << dp[bun[1]];
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 16724 KB Output is correct
2 Correct 9 ms 16724 KB Output is correct
3 Correct 9 ms 16724 KB Output is correct
4 Correct 9 ms 16724 KB Output is correct
5 Correct 9 ms 16724 KB Output is correct
6 Correct 10 ms 16724 KB Output is correct
7 Correct 10 ms 16700 KB Output is correct
8 Correct 9 ms 16724 KB Output is correct
9 Correct 9 ms 16724 KB Output is correct
10 Correct 10 ms 16724 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 16724 KB Output is correct
2 Correct 9 ms 16704 KB Output is correct
3 Correct 9 ms 16724 KB Output is correct
4 Correct 9 ms 16728 KB Output is correct
5 Correct 10 ms 16772 KB Output is correct
6 Correct 9 ms 16724 KB Output is correct
7 Correct 9 ms 16696 KB Output is correct
8 Correct 10 ms 16724 KB Output is correct
9 Correct 9 ms 16896 KB Output is correct
10 Correct 9 ms 16724 KB Output is correct
11 Correct 10 ms 16764 KB Output is correct
12 Correct 10 ms 16752 KB Output is correct
13 Correct 10 ms 16688 KB Output is correct
14 Correct 10 ms 16724 KB Output is correct
15 Correct 10 ms 16724 KB Output is correct
16 Correct 9 ms 16724 KB Output is correct
17 Correct 9 ms 16724 KB Output is correct
18 Correct 10 ms 16688 KB Output is correct
19 Correct 10 ms 16724 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 16724 KB Output is correct
2 Correct 9 ms 16724 KB Output is correct
3 Correct 9 ms 16724 KB Output is correct
4 Correct 9 ms 16724 KB Output is correct
5 Correct 9 ms 16724 KB Output is correct
6 Correct 10 ms 16724 KB Output is correct
7 Correct 10 ms 16700 KB Output is correct
8 Correct 9 ms 16724 KB Output is correct
9 Correct 9 ms 16724 KB Output is correct
10 Correct 10 ms 16724 KB Output is correct
11 Correct 9 ms 16724 KB Output is correct
12 Correct 9 ms 16704 KB Output is correct
13 Correct 9 ms 16724 KB Output is correct
14 Correct 9 ms 16728 KB Output is correct
15 Correct 10 ms 16772 KB Output is correct
16 Correct 9 ms 16724 KB Output is correct
17 Correct 9 ms 16696 KB Output is correct
18 Correct 10 ms 16724 KB Output is correct
19 Correct 9 ms 16896 KB Output is correct
20 Correct 9 ms 16724 KB Output is correct
21 Correct 10 ms 16764 KB Output is correct
22 Correct 10 ms 16752 KB Output is correct
23 Correct 10 ms 16688 KB Output is correct
24 Correct 10 ms 16724 KB Output is correct
25 Correct 10 ms 16724 KB Output is correct
26 Correct 9 ms 16724 KB Output is correct
27 Correct 9 ms 16724 KB Output is correct
28 Correct 10 ms 16688 KB Output is correct
29 Correct 10 ms 16724 KB Output is correct
30 Correct 9 ms 16724 KB Output is correct
31 Correct 10 ms 16852 KB Output is correct
32 Correct 10 ms 16852 KB Output is correct
33 Correct 10 ms 16912 KB Output is correct
34 Correct 10 ms 17040 KB Output is correct
35 Correct 11 ms 17036 KB Output is correct
36 Correct 11 ms 17108 KB Output is correct
37 Correct 11 ms 17224 KB Output is correct
38 Correct 11 ms 17236 KB Output is correct
39 Correct 13 ms 17188 KB Output is correct
40 Correct 12 ms 17748 KB Output is correct
41 Correct 11 ms 17748 KB Output is correct
42 Correct 12 ms 17168 KB Output is correct
43 Correct 14 ms 17620 KB Output is correct
44 Correct 12 ms 17492 KB Output is correct
45 Correct 12 ms 17492 KB Output is correct
46 Correct 12 ms 17468 KB Output is correct
47 Correct 13 ms 17528 KB Output is correct
48 Correct 12 ms 17292 KB Output is correct
49 Correct 12 ms 17372 KB Output is correct
50 Correct 11 ms 17236 KB Output is correct
51 Correct 11 ms 17236 KB Output is correct
52 Correct 12 ms 17364 KB Output is correct
53 Correct 13 ms 17492 KB Output is correct
54 Correct 14 ms 17620 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 16724 KB Output is correct
2 Correct 9 ms 16724 KB Output is correct
3 Correct 9 ms 16724 KB Output is correct
4 Correct 9 ms 16724 KB Output is correct
5 Correct 9 ms 16724 KB Output is correct
6 Correct 10 ms 16724 KB Output is correct
7 Correct 10 ms 16700 KB Output is correct
8 Correct 9 ms 16724 KB Output is correct
9 Correct 9 ms 16724 KB Output is correct
10 Correct 10 ms 16724 KB Output is correct
11 Correct 9 ms 16724 KB Output is correct
12 Correct 9 ms 16704 KB Output is correct
13 Correct 9 ms 16724 KB Output is correct
14 Correct 9 ms 16728 KB Output is correct
15 Correct 10 ms 16772 KB Output is correct
16 Correct 9 ms 16724 KB Output is correct
17 Correct 9 ms 16696 KB Output is correct
18 Correct 10 ms 16724 KB Output is correct
19 Correct 9 ms 16896 KB Output is correct
20 Correct 9 ms 16724 KB Output is correct
21 Correct 10 ms 16764 KB Output is correct
22 Correct 10 ms 16752 KB Output is correct
23 Correct 10 ms 16688 KB Output is correct
24 Correct 10 ms 16724 KB Output is correct
25 Correct 10 ms 16724 KB Output is correct
26 Correct 9 ms 16724 KB Output is correct
27 Correct 9 ms 16724 KB Output is correct
28 Correct 10 ms 16688 KB Output is correct
29 Correct 10 ms 16724 KB Output is correct
30 Correct 9 ms 16724 KB Output is correct
31 Correct 10 ms 16852 KB Output is correct
32 Correct 10 ms 16852 KB Output is correct
33 Correct 10 ms 16912 KB Output is correct
34 Correct 10 ms 17040 KB Output is correct
35 Correct 11 ms 17036 KB Output is correct
36 Correct 11 ms 17108 KB Output is correct
37 Correct 11 ms 17224 KB Output is correct
38 Correct 11 ms 17236 KB Output is correct
39 Correct 13 ms 17188 KB Output is correct
40 Correct 12 ms 17748 KB Output is correct
41 Correct 11 ms 17748 KB Output is correct
42 Correct 12 ms 17168 KB Output is correct
43 Correct 14 ms 17620 KB Output is correct
44 Correct 12 ms 17492 KB Output is correct
45 Correct 12 ms 17492 KB Output is correct
46 Correct 12 ms 17468 KB Output is correct
47 Correct 13 ms 17528 KB Output is correct
48 Correct 12 ms 17292 KB Output is correct
49 Correct 12 ms 17372 KB Output is correct
50 Correct 11 ms 17236 KB Output is correct
51 Correct 11 ms 17236 KB Output is correct
52 Correct 12 ms 17364 KB Output is correct
53 Correct 13 ms 17492 KB Output is correct
54 Correct 14 ms 17620 KB Output is correct
55 Correct 16 ms 18132 KB Output is correct
56 Correct 39 ms 21900 KB Output is correct
57 Correct 68 ms 25460 KB Output is correct
58 Correct 82 ms 27908 KB Output is correct
59 Correct 121 ms 31584 KB Output is correct
60 Correct 178 ms 35256 KB Output is correct
61 Correct 182 ms 38316 KB Output is correct
62 Correct 201 ms 40344 KB Output is correct
63 Correct 246 ms 44764 KB Output is correct
64 Correct 253 ms 46152 KB Output is correct
65 Correct 137 ms 80292 KB Output is correct
66 Correct 127 ms 80260 KB Output is correct
67 Correct 126 ms 38244 KB Output is correct
68 Correct 180 ms 68464 KB Output is correct
69 Correct 223 ms 65172 KB Output is correct
70 Correct 221 ms 65008 KB Output is correct
71 Correct 207 ms 64144 KB Output is correct
72 Correct 199 ms 64300 KB Output is correct
73 Correct 179 ms 60232 KB Output is correct
74 Correct 180 ms 60412 KB Output is correct
75 Correct 176 ms 58456 KB Output is correct
76 Correct 173 ms 58460 KB Output is correct
77 Correct 198 ms 56704 KB Output is correct
78 Correct 184 ms 54392 KB Output is correct
79 Correct 165 ms 60648 KB Output is correct