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Submission #676541

# Submission time Handle Problem Language Result Execution time Memory
676541 2022-12-31T08:24:03 Z numberes Fireworks (APIO16_fireworks) C++17
100 / 100
 253 ms 92016 KB 
/**
 * @date    2022-12-31 15:25:48
 * @author  numberes
 * 煮不在乎.RAmen!
 * https://oj.uz/problem/view/APIO16_fireworks
 */
#include<bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define ll long long
using namespace std;
priority_queue<ll> pq[300005];
ll a[300005],b[300005];
int n,m;
vector<pii> g[300005];
void dfs(int u,int c){
	if(!g[u].size()){
		pq[u].push(c);pq[u].push(c);
		a[u]=1;b[u]=-c;
		return;
	}
	for(auto now:g[u]){
		int v=now.fi,vc=now.se;
		dfs(v,vc);
		if(pq[u].size()<pq[v].size()) swap(pq[u],pq[v]);
		while(!pq[v].empty()){pq[u].push(pq[v].top());pq[v].pop();}
		a[u]+=a[v];b[u]+=b[v];
	}
	while(a[u]>1){
		a[u]--;b[u]+=pq[u].top();
		pq[u].pop();
	}
	int k=a[u];vector<ll> upd;
	while(k>=0){
		upd.pb(pq[u].top()+c);
		pq[u].pop();
		k--;
	}
	for(auto now:upd) pq[u].push(now);
	b[u]-=c;
}
int main(){
	scanf("%d %d",&n,&m);
	for(int i=2;i<=n+m;i++){
		int u,c;
		scanf("%d %d",&u,&c);
		g[u].pb(mp(i,c));
	}
	dfs(1,0);
	while(a[1]>0){
		a[1]--;b[1]+=pq[1].top();
		pq[1].pop();
	}
	printf("%lld\n",b[1]);
    return 0;
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:46:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |  scanf("%d %d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~~
fireworks.cpp:49:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |   scanf("%d %d",&u,&c);
      |   ~~~~~^~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 16724 KB Output is correct
2 Correct 9 ms 16692 KB Output is correct
3 Correct 9 ms 16700 KB Output is correct
4 Correct 9 ms 16752 KB Output is correct
5 Correct 9 ms 16724 KB Output is correct
6 Correct 8 ms 16768 KB Output is correct
7 Correct 9 ms 16756 KB Output is correct
8 Correct 10 ms 16748 KB Output is correct
9 Correct 9 ms 16756 KB Output is correct
10 Correct 9 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 8 ms 16724 KB Output is correct
3 Correct 8 ms 16748 KB Output is correct
4 Correct 10 ms 16748 KB Output is correct
5 Correct 11 ms 16724 KB Output is correct
6 Correct 9 ms 16724 KB Output is correct
7 Correct 9 ms 16724 KB Output is correct
8 Correct 9 ms 16724 KB Output is correct
9 Correct 9 ms 16680 KB Output is correct
10 Correct 8 ms 16752 KB Output is correct
11 Correct 8 ms 16724 KB Output is correct
12 Correct 9 ms 16724 KB Output is correct
13 Correct 9 ms 16708 KB Output is correct
14 Correct 9 ms 16724 KB Output is correct
15 Correct 11 ms 16724 KB Output is correct
16 Correct 10 ms 16852 KB Output is correct
17 Correct 11 ms 16756 KB Output is correct
18 Correct 11 ms 16700 KB Output is correct
19 Correct 9 ms 16716 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 16724 KB Output is correct
2 Correct 9 ms 16692 KB Output is correct
3 Correct 9 ms 16700 KB Output is correct
4 Correct 9 ms 16752 KB Output is correct
5 Correct 9 ms 16724 KB Output is correct
6 Correct 8 ms 16768 KB Output is correct
7 Correct 9 ms 16756 KB Output is correct
8 Correct 10 ms 16748 KB Output is correct
9 Correct 9 ms 16756 KB Output is correct
10 Correct 9 ms 16724 KB Output is correct
11 Correct 9 ms 16724 KB Output is correct
12 Correct 8 ms 16724 KB Output is correct
13 Correct 8 ms 16748 KB Output is correct
14 Correct 10 ms 16748 KB Output is correct
15 Correct 11 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 9 ms 16724 KB Output is correct
19 Correct 9 ms 16680 KB Output is correct
20 Correct 8 ms 16752 KB Output is correct
21 Correct 8 ms 16724 KB Output is correct
22 Correct 9 ms 16724 KB Output is correct
23 Correct 9 ms 16708 KB Output is correct
24 Correct 9 ms 16724 KB Output is correct
25 Correct 11 ms 16724 KB Output is correct
26 Correct 10 ms 16852 KB Output is correct
27 Correct 11 ms 16756 KB Output is correct
28 Correct 11 ms 16700 KB Output is correct
29 Correct 9 ms 16716 KB Output is correct
30 Correct 9 ms 16724 KB Output is correct
31 Correct 9 ms 16852 KB Output is correct
32 Correct 9 ms 16852 KB Output is correct
33 Correct 9 ms 16852 KB Output is correct
34 Correct 10 ms 16980 KB Output is correct
35 Correct 11 ms 17020 KB Output is correct
36 Correct 11 ms 17020 KB Output is correct
37 Correct 13 ms 17108 KB Output is correct
38 Correct 12 ms 17108 KB Output is correct
39 Correct 11 ms 17076 KB Output is correct
40 Correct 12 ms 17876 KB Output is correct
41 Correct 11 ms 17908 KB Output is correct
42 Correct 11 ms 16980 KB Output is correct
43 Correct 11 ms 17492 KB Output is correct
44 Correct 11 ms 17332 KB Output is correct
45 Correct 13 ms 17360 KB Output is correct
46 Correct 11 ms 17236 KB Output is correct
47 Correct 11 ms 17136 KB Output is correct
48 Correct 11 ms 17108 KB Output is correct
49 Correct 11 ms 17144 KB Output is correct
50 Correct 12 ms 17108 KB Output is correct
51 Correct 10 ms 16980 KB Output is correct
52 Correct 12 ms 17100 KB Output is correct
53 Correct 11 ms 17164 KB Output is correct
54 Correct 11 ms 17136 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 16724 KB Output is correct
2 Correct 9 ms 16692 KB Output is correct
3 Correct 9 ms 16700 KB Output is correct
4 Correct 9 ms 16752 KB Output is correct
5 Correct 9 ms 16724 KB Output is correct
6 Correct 8 ms 16768 KB Output is correct
7 Correct 9 ms 16756 KB Output is correct
8 Correct 10 ms 16748 KB Output is correct
9 Correct 9 ms 16756 KB Output is correct
10 Correct 9 ms 16724 KB Output is correct
11 Correct 9 ms 16724 KB Output is correct
12 Correct 8 ms 16724 KB Output is correct
13 Correct 8 ms 16748 KB Output is correct
14 Correct 10 ms 16748 KB Output is correct
15 Correct 11 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 9 ms 16724 KB Output is correct
19 Correct 9 ms 16680 KB Output is correct
20 Correct 8 ms 16752 KB Output is correct
21 Correct 8 ms 16724 KB Output is correct
22 Correct 9 ms 16724 KB Output is correct
23 Correct 9 ms 16708 KB Output is correct
24 Correct 9 ms 16724 KB Output is correct
25 Correct 11 ms 16724 KB Output is correct
26 Correct 10 ms 16852 KB Output is correct
27 Correct 11 ms 16756 KB Output is correct
28 Correct 11 ms 16700 KB Output is correct
29 Correct 9 ms 16716 KB Output is correct
30 Correct 9 ms 16724 KB Output is correct
31 Correct 9 ms 16852 KB Output is correct
32 Correct 9 ms 16852 KB Output is correct
33 Correct 9 ms 16852 KB Output is correct
34 Correct 10 ms 16980 KB Output is correct
35 Correct 11 ms 17020 KB Output is correct
36 Correct 11 ms 17020 KB Output is correct
37 Correct 13 ms 17108 KB Output is correct
38 Correct 12 ms 17108 KB Output is correct
39 Correct 11 ms 17076 KB Output is correct
40 Correct 12 ms 17876 KB Output is correct
41 Correct 11 ms 17908 KB Output is correct
42 Correct 11 ms 16980 KB Output is correct
43 Correct 11 ms 17492 KB Output is correct
44 Correct 11 ms 17332 KB Output is correct
45 Correct 13 ms 17360 KB Output is correct
46 Correct 11 ms 17236 KB Output is correct
47 Correct 11 ms 17136 KB Output is correct
48 Correct 11 ms 17108 KB Output is correct
49 Correct 11 ms 17144 KB Output is correct
50 Correct 12 ms 17108 KB Output is correct
51 Correct 10 ms 16980 KB Output is correct
52 Correct 12 ms 17100 KB Output is correct
53 Correct 11 ms 17164 KB Output is correct
54 Correct 11 ms 17136 KB Output is correct
55 Correct 16 ms 17748 KB Output is correct
56 Correct 42 ms 20712 KB Output is correct
57 Correct 83 ms 23508 KB Output is correct
58 Correct 88 ms 25288 KB Output is correct
59 Correct 119 ms 28060 KB Output is correct
60 Correct 153 ms 30860 KB Output is correct
61 Correct 175 ms 33240 KB Output is correct
62 Correct 205 ms 34852 KB Output is correct
63 Correct 243 ms 38252 KB Output is correct
64 Correct 253 ms 39236 KB Output is correct
65 Correct 135 ms 91948 KB Output is correct
66 Correct 133 ms 92016 KB Output is correct
67 Correct 132 ms 35776 KB Output is correct
68 Correct 173 ms 64844 KB Output is correct
69 Correct 201 ms 60696 KB Output is correct
70 Correct 196 ms 60632 KB Output is correct
71 Correct 188 ms 49732 KB Output is correct
72 Correct 175 ms 49916 KB Output is correct
73 Correct 151 ms 46156 KB Output is correct
74 Correct 165 ms 46408 KB Output is correct
75 Correct 159 ms 44812 KB Output is correct
76 Correct 162 ms 44924 KB Output is correct
77 Correct 160 ms 44220 KB Output is correct
78 Correct 159 ms 42524 KB Output is correct
79 Correct 148 ms 43056 KB Output is correct