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Submission #916327

# Submission time Handle Problem Language Result Execution time Memory
916327 2024-01-25T16:35:04 Z manizare Fireworks (APIO16_fireworks) C++14
100 / 100
 257 ms 83664 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")


#define pb push_back
#define F first
#define S second 
#define all(a) a.begin(),a.end()
#define pii pair <int,int>
#define int long long
#define sz(v) (int)v.size()
#define rep(i , a , b) for(int i=a;i <= (b);i++)
#define per(i , a , b) for(int i=a;i >= (b);i--)
#define deb(x) cerr<<#x << " : " << x << "\n"; 

using namespace std ;   
const int maxn = 4e5 + 10 ,  mod = 1e9 + 7 , inf =1e14  ;
int pr[maxn] , ted[maxn] ;
vector <int> G[maxn] ;
int W[maxn] ;
priority_queue <int> q[maxn] ;
int N, M; 
void dfs(int v) {
	if(v<N) {
		for(int u:G[v]) {
			dfs(u);
			if(q[v].size()<q[u].size()) swap(q[v], q[u]);
			while(q[u].size()) q[v].push(q[u].top()), q[u].pop();
		}
		rep(j, 1, G[v].size()-1) q[v].pop();
		int x=q[v].top()+W[v]; q[v].pop();
		int y=q[v].top()+W[v]; q[v].pop();
		q[v].push(x), q[v].push(y);
	} else q[v].push(W[v]), q[v].push(W[v]);
}
signed main(){
    ios::sync_with_stdio(0) ;cin.tie(0);
	int r=0;
	cin>>N>>M;
	rep(i, 1, N+M-1) {
		int j;
		cin>>j>>W[i];
		G[j-1].pb(i);
		r+=W[i];
	}
    dfs(0);
    int p=q[0].top(), k=0; q[0].pop();
	while(q[0].size()){
		r-=k++*(p-q[0].top()), p=q[0].top(), q[0].pop();
    }
    cout<<r-k*p;
}

Compilation message

fireworks.cpp: In function 'void dfs(long long int)':
fireworks.cpp:12:38: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 | #define rep(i , a , b) for(int i=a;i <= (b);i++)
      |                                      ^
fireworks.cpp:30:3: note: in expansion of macro 'rep'
   30 |   rep(j, 1, G[v].size()-1) q[v].pop();
      |   ^~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 27224 KB Output is correct
2 Correct 12 ms 27228 KB Output is correct
3 Correct 7 ms 27324 KB Output is correct
4 Correct 8 ms 27228 KB Output is correct
5 Correct 8 ms 27224 KB Output is correct
6 Correct 7 ms 27224 KB Output is correct
7 Correct 8 ms 27224 KB Output is correct
8 Correct 7 ms 27228 KB Output is correct
9 Correct 7 ms 27312 KB Output is correct
10 Correct 8 ms 27228 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 27224 KB Output is correct
2 Correct 7 ms 27228 KB Output is correct
3 Correct 7 ms 27320 KB Output is correct
4 Correct 7 ms 27228 KB Output is correct
5 Correct 7 ms 27260 KB Output is correct
6 Correct 7 ms 27228 KB Output is correct
7 Correct 7 ms 27264 KB Output is correct
8 Correct 8 ms 27324 KB Output is correct
9 Correct 8 ms 27228 KB Output is correct
10 Correct 7 ms 27332 KB Output is correct
11 Correct 7 ms 27224 KB Output is correct
12 Correct 7 ms 27228 KB Output is correct
13 Correct 8 ms 27308 KB Output is correct
14 Correct 8 ms 27228 KB Output is correct
15 Correct 9 ms 27484 KB Output is correct
16 Correct 9 ms 27228 KB Output is correct
17 Correct 7 ms 27224 KB Output is correct
18 Correct 8 ms 27228 KB Output is correct
19 Correct 7 ms 27228 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 27224 KB Output is correct
2 Correct 12 ms 27228 KB Output is correct
3 Correct 7 ms 27324 KB Output is correct
4 Correct 8 ms 27228 KB Output is correct
5 Correct 8 ms 27224 KB Output is correct
6 Correct 7 ms 27224 KB Output is correct
7 Correct 8 ms 27224 KB Output is correct
8 Correct 7 ms 27228 KB Output is correct
9 Correct 7 ms 27312 KB Output is correct
10 Correct 8 ms 27228 KB Output is correct
11 Correct 8 ms 27224 KB Output is correct
12 Correct 7 ms 27228 KB Output is correct
13 Correct 7 ms 27320 KB Output is correct
14 Correct 7 ms 27228 KB Output is correct
15 Correct 7 ms 27260 KB Output is correct
16 Correct 7 ms 27228 KB Output is correct
17 Correct 7 ms 27264 KB Output is correct
18 Correct 8 ms 27324 KB Output is correct
19 Correct 8 ms 27228 KB Output is correct
20 Correct 7 ms 27332 KB Output is correct
21 Correct 7 ms 27224 KB Output is correct
22 Correct 7 ms 27228 KB Output is correct
23 Correct 8 ms 27308 KB Output is correct
24 Correct 8 ms 27228 KB Output is correct
25 Correct 9 ms 27484 KB Output is correct
26 Correct 9 ms 27228 KB Output is correct
27 Correct 7 ms 27224 KB Output is correct
28 Correct 8 ms 27228 KB Output is correct
29 Correct 7 ms 27228 KB Output is correct
30 Correct 8 ms 27228 KB Output is correct
31 Correct 8 ms 27228 KB Output is correct
32 Correct 9 ms 27280 KB Output is correct
33 Correct 9 ms 27228 KB Output is correct
34 Correct 9 ms 27260 KB Output is correct
35 Correct 10 ms 27484 KB Output is correct
36 Correct 9 ms 27488 KB Output is correct
37 Correct 9 ms 27484 KB Output is correct
38 Correct 10 ms 27484 KB Output is correct
39 Correct 10 ms 27484 KB Output is correct
40 Correct 10 ms 27996 KB Output is correct
41 Correct 9 ms 27996 KB Output is correct
42 Correct 9 ms 27484 KB Output is correct
43 Correct 10 ms 27796 KB Output is correct
44 Correct 10 ms 27740 KB Output is correct
45 Correct 11 ms 27740 KB Output is correct
46 Correct 11 ms 27740 KB Output is correct
47 Correct 10 ms 27520 KB Output is correct
48 Correct 10 ms 27484 KB Output is correct
49 Correct 9 ms 27484 KB Output is correct
50 Correct 9 ms 27484 KB Output is correct
51 Correct 9 ms 27484 KB Output is correct
52 Correct 10 ms 27588 KB Output is correct
53 Correct 9 ms 27484 KB Output is correct
54 Correct 9 ms 27484 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 27224 KB Output is correct
2 Correct 12 ms 27228 KB Output is correct
3 Correct 7 ms 27324 KB Output is correct
4 Correct 8 ms 27228 KB Output is correct
5 Correct 8 ms 27224 KB Output is correct
6 Correct 7 ms 27224 KB Output is correct
7 Correct 8 ms 27224 KB Output is correct
8 Correct 7 ms 27228 KB Output is correct
9 Correct 7 ms 27312 KB Output is correct
10 Correct 8 ms 27228 KB Output is correct
11 Correct 8 ms 27224 KB Output is correct
12 Correct 7 ms 27228 KB Output is correct
13 Correct 7 ms 27320 KB Output is correct
14 Correct 7 ms 27228 KB Output is correct
15 Correct 7 ms 27260 KB Output is correct
16 Correct 7 ms 27228 KB Output is correct
17 Correct 7 ms 27264 KB Output is correct
18 Correct 8 ms 27324 KB Output is correct
19 Correct 8 ms 27228 KB Output is correct
20 Correct 7 ms 27332 KB Output is correct
21 Correct 7 ms 27224 KB Output is correct
22 Correct 7 ms 27228 KB Output is correct
23 Correct 8 ms 27308 KB Output is correct
24 Correct 8 ms 27228 KB Output is correct
25 Correct 9 ms 27484 KB Output is correct
26 Correct 9 ms 27228 KB Output is correct
27 Correct 7 ms 27224 KB Output is correct
28 Correct 8 ms 27228 KB Output is correct
29 Correct 7 ms 27228 KB Output is correct
30 Correct 8 ms 27228 KB Output is correct
31 Correct 8 ms 27228 KB Output is correct
32 Correct 9 ms 27280 KB Output is correct
33 Correct 9 ms 27228 KB Output is correct
34 Correct 9 ms 27260 KB Output is correct
35 Correct 10 ms 27484 KB Output is correct
36 Correct 9 ms 27488 KB Output is correct
37 Correct 9 ms 27484 KB Output is correct
38 Correct 10 ms 27484 KB Output is correct
39 Correct 10 ms 27484 KB Output is correct
40 Correct 10 ms 27996 KB Output is correct
41 Correct 9 ms 27996 KB Output is correct
42 Correct 9 ms 27484 KB Output is correct
43 Correct 10 ms 27796 KB Output is correct
44 Correct 10 ms 27740 KB Output is correct
45 Correct 11 ms 27740 KB Output is correct
46 Correct 11 ms 27740 KB Output is correct
47 Correct 10 ms 27520 KB Output is correct
48 Correct 10 ms 27484 KB Output is correct
49 Correct 9 ms 27484 KB Output is correct
50 Correct 9 ms 27484 KB Output is correct
51 Correct 9 ms 27484 KB Output is correct
52 Correct 10 ms 27588 KB Output is correct
53 Correct 9 ms 27484 KB Output is correct
54 Correct 9 ms 27484 KB Output is correct
55 Correct 14 ms 27992 KB Output is correct
56 Correct 29 ms 30412 KB Output is correct
57 Correct 47 ms 32604 KB Output is correct
58 Correct 60 ms 34140 KB Output is correct
59 Correct 78 ms 36444 KB Output is correct
60 Correct 137 ms 38460 KB Output is correct
61 Correct 122 ms 40396 KB Output is correct
62 Correct 165 ms 41932 KB Output is correct
63 Correct 172 ms 44488 KB Output is correct
64 Correct 257 ms 45232 KB Output is correct
65 Correct 108 ms 83664 KB Output is correct
66 Correct 93 ms 83600 KB Output is correct
67 Correct 93 ms 41580 KB Output is correct
68 Correct 138 ms 63824 KB Output is correct
69 Correct 158 ms 60616 KB Output is correct
70 Correct 163 ms 60752 KB Output is correct
71 Correct 167 ms 55516 KB Output is correct
72 Correct 173 ms 56660 KB Output is correct
73 Correct 172 ms 52500 KB Output is correct
74 Correct 159 ms 53116 KB Output is correct
75 Correct 157 ms 50856 KB Output is correct
76 Correct 152 ms 52260 KB Output is correct
77 Correct 153 ms 52416 KB Output is correct
78 Correct 152 ms 49912 KB Output is correct
79 Correct 144 ms 53208 KB Output is correct