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Submission #412370

# Submission time Handle Problem Language Result Execution time Memory
412370 2021-05-26T18:01:44 Z soroush Fireworks (APIO16_fireworks) C++17
100 / 100
 282 ms 73252 KB 
//叫んで 藻掻もがいて 瞼まぶたを腫らしても
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<ll , ll> pii;

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

const int maxn = 3e5 + 10;
const ll mod = 1e9+7;

#define pb push_back
#define endl '\n'
#define dokme(x) cout << x , exit(0)
#define ms(x , y) memset(x , y , sizeof x)
ll pw(ll a, ll b, ll md = mod){ll res = 1;while(b){if(b&1){res=(a*res)%md;}a=(a*a)%md;b>>=1;}return(res);}

int n , m;
vector < pii > adj[maxn];
priority_queue < ll > slope[maxn];
ll ans = 0;

void merge(int u , int v){
	if(slope[u].size() > slope[v].size())
		swap(slope[u] , slope[v]);
	while(slope[u].size())
		slope[v].push(slope[u].top()) , slope[u].pop();
}

void dfs(int v, int w = 0){
	if(adj[v].empty())
		slope[v].push(0), slope[v].push(0);
	for(auto uw : adj[v]){
		int u = uw.first , w = uw.second;
		dfs(u , w);
		merge(u , v);
	}
	for(int i = 0 ; i < int(adj[v].size()) - 1 ; i ++)
		slope[v].pop();
	ll a = slope[v].top();slope[v].pop();
	ll b = slope[v].top();slope[v].pop();
	slope[v].push(a + w);
	slope[v].push(b + w);
}

int32_t main(){
	ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	cin >> n >> m;
	n += m;
	for(int i = 2 ; i <= n ; i ++){
		int v , w;
		cin >> v >> w;
		adj[v].pb({i , w});
		ans += w;
	}
	dfs(1);
	slope[1].pop();
	while(slope[1].size())
		ans-=slope[1].top() , slope[1].pop();
	cout << ans;
	return(0);
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 16716 KB Output is correct
2 Correct 11 ms 16716 KB Output is correct
3 Correct 11 ms 16736 KB Output is correct
4 Correct 11 ms 16716 KB Output is correct
5 Correct 11 ms 16760 KB Output is correct
6 Correct 11 ms 16760 KB Output is correct
7 Correct 11 ms 16652 KB Output is correct
8 Correct 11 ms 16716 KB Output is correct
9 Correct 11 ms 16716 KB Output is correct
10 Correct 11 ms 16716 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 16716 KB Output is correct
2 Correct 11 ms 16716 KB Output is correct
3 Correct 11 ms 16716 KB Output is correct
4 Correct 10 ms 16716 KB Output is correct
5 Correct 11 ms 16716 KB Output is correct
6 Correct 11 ms 16716 KB Output is correct
7 Correct 11 ms 16716 KB Output is correct
8 Correct 11 ms 16716 KB Output is correct
9 Correct 12 ms 16732 KB Output is correct
10 Correct 12 ms 16764 KB Output is correct
11 Correct 11 ms 16656 KB Output is correct
12 Correct 11 ms 16760 KB Output is correct
13 Correct 11 ms 16716 KB Output is correct
14 Correct 11 ms 16716 KB Output is correct
15 Correct 11 ms 16716 KB Output is correct
16 Correct 11 ms 16716 KB Output is correct
17 Correct 11 ms 16716 KB Output is correct
18 Correct 11 ms 16716 KB Output is correct
19 Correct 11 ms 16768 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 16716 KB Output is correct
2 Correct 11 ms 16716 KB Output is correct
3 Correct 11 ms 16736 KB Output is correct
4 Correct 11 ms 16716 KB Output is correct
5 Correct 11 ms 16760 KB Output is correct
6 Correct 11 ms 16760 KB Output is correct
7 Correct 11 ms 16652 KB Output is correct
8 Correct 11 ms 16716 KB Output is correct
9 Correct 11 ms 16716 KB Output is correct
10 Correct 11 ms 16716 KB Output is correct
11 Correct 11 ms 16716 KB Output is correct
12 Correct 11 ms 16716 KB Output is correct
13 Correct 11 ms 16716 KB Output is correct
14 Correct 10 ms 16716 KB Output is correct
15 Correct 11 ms 16716 KB Output is correct
16 Correct 11 ms 16716 KB Output is correct
17 Correct 11 ms 16716 KB Output is correct
18 Correct 11 ms 16716 KB Output is correct
19 Correct 12 ms 16732 KB Output is correct
20 Correct 12 ms 16764 KB Output is correct
21 Correct 11 ms 16656 KB Output is correct
22 Correct 11 ms 16760 KB Output is correct
23 Correct 11 ms 16716 KB Output is correct
24 Correct 11 ms 16716 KB Output is correct
25 Correct 11 ms 16716 KB Output is correct
26 Correct 11 ms 16716 KB Output is correct
27 Correct 11 ms 16716 KB Output is correct
28 Correct 11 ms 16716 KB Output is correct
29 Correct 11 ms 16768 KB Output is correct
30 Correct 11 ms 16716 KB Output is correct
31 Correct 12 ms 16716 KB Output is correct
32 Correct 12 ms 16768 KB Output is correct
33 Correct 13 ms 16844 KB Output is correct
34 Correct 13 ms 16896 KB Output is correct
35 Correct 13 ms 16972 KB Output is correct
36 Correct 13 ms 17020 KB Output is correct
37 Correct 14 ms 17028 KB Output is correct
38 Correct 14 ms 17036 KB Output is correct
39 Correct 14 ms 17032 KB Output is correct
40 Correct 12 ms 17612 KB Output is correct
41 Correct 13 ms 17668 KB Output is correct
42 Correct 13 ms 16972 KB Output is correct
43 Correct 14 ms 17360 KB Output is correct
44 Correct 14 ms 17284 KB Output is correct
45 Correct 14 ms 17312 KB Output is correct
46 Correct 14 ms 17248 KB Output is correct
47 Correct 14 ms 17156 KB Output is correct
48 Correct 14 ms 17028 KB Output is correct
49 Correct 15 ms 17092 KB Output is correct
50 Correct 13 ms 17076 KB Output is correct
51 Correct 13 ms 17000 KB Output is correct
52 Correct 14 ms 17100 KB Output is correct
53 Correct 14 ms 17100 KB Output is correct
54 Correct 14 ms 17100 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 16716 KB Output is correct
2 Correct 11 ms 16716 KB Output is correct
3 Correct 11 ms 16736 KB Output is correct
4 Correct 11 ms 16716 KB Output is correct
5 Correct 11 ms 16760 KB Output is correct
6 Correct 11 ms 16760 KB Output is correct
7 Correct 11 ms 16652 KB Output is correct
8 Correct 11 ms 16716 KB Output is correct
9 Correct 11 ms 16716 KB Output is correct
10 Correct 11 ms 16716 KB Output is correct
11 Correct 11 ms 16716 KB Output is correct
12 Correct 11 ms 16716 KB Output is correct
13 Correct 11 ms 16716 KB Output is correct
14 Correct 10 ms 16716 KB Output is correct
15 Correct 11 ms 16716 KB Output is correct
16 Correct 11 ms 16716 KB Output is correct
17 Correct 11 ms 16716 KB Output is correct
18 Correct 11 ms 16716 KB Output is correct
19 Correct 12 ms 16732 KB Output is correct
20 Correct 12 ms 16764 KB Output is correct
21 Correct 11 ms 16656 KB Output is correct
22 Correct 11 ms 16760 KB Output is correct
23 Correct 11 ms 16716 KB Output is correct
24 Correct 11 ms 16716 KB Output is correct
25 Correct 11 ms 16716 KB Output is correct
26 Correct 11 ms 16716 KB Output is correct
27 Correct 11 ms 16716 KB Output is correct
28 Correct 11 ms 16716 KB Output is correct
29 Correct 11 ms 16768 KB Output is correct
30 Correct 11 ms 16716 KB Output is correct
31 Correct 12 ms 16716 KB Output is correct
32 Correct 12 ms 16768 KB Output is correct
33 Correct 13 ms 16844 KB Output is correct
34 Correct 13 ms 16896 KB Output is correct
35 Correct 13 ms 16972 KB Output is correct
36 Correct 13 ms 17020 KB Output is correct
37 Correct 14 ms 17028 KB Output is correct
38 Correct 14 ms 17036 KB Output is correct
39 Correct 14 ms 17032 KB Output is correct
40 Correct 12 ms 17612 KB Output is correct
41 Correct 13 ms 17668 KB Output is correct
42 Correct 13 ms 16972 KB Output is correct
43 Correct 14 ms 17360 KB Output is correct
44 Correct 14 ms 17284 KB Output is correct
45 Correct 14 ms 17312 KB Output is correct
46 Correct 14 ms 17248 KB Output is correct
47 Correct 14 ms 17156 KB Output is correct
48 Correct 14 ms 17028 KB Output is correct
49 Correct 15 ms 17092 KB Output is correct
50 Correct 13 ms 17076 KB Output is correct
51 Correct 13 ms 17000 KB Output is correct
52 Correct 14 ms 17100 KB Output is correct
53 Correct 14 ms 17100 KB Output is correct
54 Correct 14 ms 17100 KB Output is correct
55 Correct 20 ms 17664 KB Output is correct
56 Correct 48 ms 20132 KB Output is correct
57 Correct 77 ms 22512 KB Output is correct
58 Correct 102 ms 24200 KB Output is correct
59 Correct 134 ms 26596 KB Output is correct
60 Correct 167 ms 29116 KB Output is correct
61 Correct 191 ms 31224 KB Output is correct
62 Correct 211 ms 32488 KB Output is correct
63 Correct 254 ms 35496 KB Output is correct
64 Correct 282 ms 36396 KB Output is correct
65 Correct 144 ms 73216 KB Output is correct
66 Correct 143 ms 73252 KB Output is correct
67 Correct 136 ms 31096 KB Output is correct
68 Correct 216 ms 55736 KB Output is correct
69 Correct 250 ms 52764 KB Output is correct
70 Correct 248 ms 52788 KB Output is correct
71 Correct 258 ms 48656 KB Output is correct
72 Correct 256 ms 48948 KB Output is correct
73 Correct 239 ms 44412 KB Output is correct
74 Correct 236 ms 44588 KB Output is correct
75 Correct 240 ms 42860 KB Output is correct
76 Correct 235 ms 42792 KB Output is correct
77 Correct 239 ms 42408 KB Output is correct
78 Correct 266 ms 40304 KB Output is correct
79 Correct 221 ms 41836 KB Output is correct