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Submission #211913

# Submission time Handle Problem Language Result Execution time Memory
211913 2020-03-21T17:17:10 Z kig9981 Fireworks (APIO16_fireworks) C++17
100 / 100
 319 ms 71032 KB 
#include <bits/stdc++.h>
 
#ifdef NON_SUBMIT
#define TEST(n) (n)
#define tout cerr
#else
#define TEST(n) ((void)0)
#define tout cin
#endif
 
using namespace std;

vector<pair<int,int>> adj[300000];
int W[300000], C[300000];
long long A[300000], B[300000];
priority_queue<long long> Q[300000];

int prep(int c)
{
	W[C[c]=c]=1;
	for(auto &n: adj[c]) {
		W[c]+=prep(n.first);
		if(W[adj[c][0].first]<W[n.first]) swap(adj[c][0],n);
	}
	if(adj[c].size()) C[c]=C[adj[c][0].first];
	return W[c];
}

void solve(int c)
{
	long long t1, t2;
	if(C[c]==c) {
		Q[c].push(0); Q[c].push(0); A[c]=1;
		return;
	}
	for(auto[n,w]: adj[c]) {
		solve(n);
		t1=Q[C[n]].top(); Q[C[n]].pop();
		t2=Q[C[n]].top(); Q[C[n]].pop();
		Q[C[n]].push(t1+w); Q[C[n]].push(t2+w); B[C[n]]+=w;
		if(C[c]^C[n]) {
			A[C[c]]+=A[C[n]];
			B[C[c]]+=B[C[n]];
			while(!Q[C[n]].empty()) {
				Q[C[c]].push(Q[C[n]].top());
				Q[C[n]].pop();
			}
		}
	}
	while(Q[C[c]].size()>A[C[c]]+1) Q[C[c]].pop();
}

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);
	TEST(freopen("input.txt","r",stdin));
	TEST(freopen("output.txt","w",stdout));
	TEST(freopen("debug.txt","w",stderr));
	int N, M;
	stack<long long> res;
	long long ans, x=0;
	cin>>N>>M; N+=M; M=1;
	for(int i=1;i<N;i++) {
		int p, c;
		cin>>p>>c;
		adj[--p].emplace_back(i,c);
	}
	prep(0); solve(0); ans=B[C[0]];
	while(Q[C[0]].size()) {
		res.push(Q[C[0]].top());
		Q[C[0]].pop(); M--;
	}
	while(res.size()) {
		ans+=(res.top()-x)*M++;
		x=res.top();
		res.pop();
	}
	cout<<ans<<'\n';
	return 0;
}

Compilation message

fireworks.cpp: In function 'void solve(int)':
fireworks.cpp:50:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while(Q[C[c]].size()>A[C[c]]+1) Q[C[c]].pop();
        ~~~~~~~~~~~~~~^~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 16768 KB Output is correct
2 Correct 13 ms 16768 KB Output is correct
3 Correct 13 ms 16768 KB Output is correct
4 Correct 16 ms 16896 KB Output is correct
5 Correct 13 ms 16896 KB Output is correct
6 Correct 13 ms 16896 KB Output is correct
7 Correct 13 ms 16768 KB Output is correct
8 Correct 13 ms 16896 KB Output is correct
9 Correct 15 ms 16768 KB Output is correct
10 Correct 13 ms 16768 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 16768 KB Output is correct
2 Correct 13 ms 16756 KB Output is correct
3 Correct 13 ms 16768 KB Output is correct
4 Correct 13 ms 16768 KB Output is correct
5 Correct 13 ms 16768 KB Output is correct
6 Correct 14 ms 16896 KB Output is correct
7 Correct 13 ms 16768 KB Output is correct
8 Correct 15 ms 16768 KB Output is correct
9 Correct 13 ms 16768 KB Output is correct
10 Correct 13 ms 16896 KB Output is correct
11 Correct 14 ms 16768 KB Output is correct
12 Correct 14 ms 16896 KB Output is correct
13 Correct 14 ms 17024 KB Output is correct
14 Correct 13 ms 16896 KB Output is correct
15 Correct 13 ms 16768 KB Output is correct
16 Correct 14 ms 16768 KB Output is correct
17 Correct 13 ms 16896 KB Output is correct
18 Correct 13 ms 16768 KB Output is correct
19 Correct 14 ms 16768 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 16768 KB Output is correct
2 Correct 13 ms 16768 KB Output is correct
3 Correct 13 ms 16768 KB Output is correct
4 Correct 16 ms 16896 KB Output is correct
5 Correct 13 ms 16896 KB Output is correct
6 Correct 13 ms 16896 KB Output is correct
7 Correct 13 ms 16768 KB Output is correct
8 Correct 13 ms 16896 KB Output is correct
9 Correct 15 ms 16768 KB Output is correct
10 Correct 13 ms 16768 KB Output is correct
11 Correct 13 ms 16768 KB Output is correct
12 Correct 13 ms 16756 KB Output is correct
13 Correct 13 ms 16768 KB Output is correct
14 Correct 13 ms 16768 KB Output is correct
15 Correct 13 ms 16768 KB Output is correct
16 Correct 14 ms 16896 KB Output is correct
17 Correct 13 ms 16768 KB Output is correct
18 Correct 15 ms 16768 KB Output is correct
19 Correct 13 ms 16768 KB Output is correct
20 Correct 13 ms 16896 KB Output is correct
21 Correct 14 ms 16768 KB Output is correct
22 Correct 14 ms 16896 KB Output is correct
23 Correct 14 ms 17024 KB Output is correct
24 Correct 13 ms 16896 KB Output is correct
25 Correct 13 ms 16768 KB Output is correct
26 Correct 14 ms 16768 KB Output is correct
27 Correct 13 ms 16896 KB Output is correct
28 Correct 13 ms 16768 KB Output is correct
29 Correct 14 ms 16768 KB Output is correct
30 Correct 13 ms 16896 KB Output is correct
31 Correct 14 ms 16896 KB Output is correct
32 Correct 17 ms 16896 KB Output is correct
33 Correct 18 ms 17024 KB Output is correct
34 Correct 16 ms 17024 KB Output is correct
35 Correct 16 ms 17152 KB Output is correct
36 Correct 16 ms 17152 KB Output is correct
37 Correct 17 ms 17152 KB Output is correct
38 Correct 17 ms 17280 KB Output is correct
39 Correct 16 ms 17152 KB Output is correct
40 Correct 15 ms 17664 KB Output is correct
41 Correct 16 ms 17664 KB Output is correct
42 Correct 16 ms 17152 KB Output is correct
43 Correct 16 ms 17408 KB Output is correct
44 Correct 17 ms 17408 KB Output is correct
45 Correct 18 ms 17408 KB Output is correct
46 Correct 17 ms 17408 KB Output is correct
47 Correct 18 ms 17408 KB Output is correct
48 Correct 16 ms 17280 KB Output is correct
49 Correct 17 ms 17280 KB Output is correct
50 Correct 16 ms 17152 KB Output is correct
51 Correct 17 ms 17280 KB Output is correct
52 Correct 16 ms 17280 KB Output is correct
53 Correct 17 ms 17280 KB Output is correct
54 Correct 16 ms 17296 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 16768 KB Output is correct
2 Correct 13 ms 16768 KB Output is correct
3 Correct 13 ms 16768 KB Output is correct
4 Correct 16 ms 16896 KB Output is correct
5 Correct 13 ms 16896 KB Output is correct
6 Correct 13 ms 16896 KB Output is correct
7 Correct 13 ms 16768 KB Output is correct
8 Correct 13 ms 16896 KB Output is correct
9 Correct 15 ms 16768 KB Output is correct
10 Correct 13 ms 16768 KB Output is correct
11 Correct 13 ms 16768 KB Output is correct
12 Correct 13 ms 16756 KB Output is correct
13 Correct 13 ms 16768 KB Output is correct
14 Correct 13 ms 16768 KB Output is correct
15 Correct 13 ms 16768 KB Output is correct
16 Correct 14 ms 16896 KB Output is correct
17 Correct 13 ms 16768 KB Output is correct
18 Correct 15 ms 16768 KB Output is correct
19 Correct 13 ms 16768 KB Output is correct
20 Correct 13 ms 16896 KB Output is correct
21 Correct 14 ms 16768 KB Output is correct
22 Correct 14 ms 16896 KB Output is correct
23 Correct 14 ms 17024 KB Output is correct
24 Correct 13 ms 16896 KB Output is correct
25 Correct 13 ms 16768 KB Output is correct
26 Correct 14 ms 16768 KB Output is correct
27 Correct 13 ms 16896 KB Output is correct
28 Correct 13 ms 16768 KB Output is correct
29 Correct 14 ms 16768 KB Output is correct
30 Correct 13 ms 16896 KB Output is correct
31 Correct 14 ms 16896 KB Output is correct
32 Correct 17 ms 16896 KB Output is correct
33 Correct 18 ms 17024 KB Output is correct
34 Correct 16 ms 17024 KB Output is correct
35 Correct 16 ms 17152 KB Output is correct
36 Correct 16 ms 17152 KB Output is correct
37 Correct 17 ms 17152 KB Output is correct
38 Correct 17 ms 17280 KB Output is correct
39 Correct 16 ms 17152 KB Output is correct
40 Correct 15 ms 17664 KB Output is correct
41 Correct 16 ms 17664 KB Output is correct
42 Correct 16 ms 17152 KB Output is correct
43 Correct 16 ms 17408 KB Output is correct
44 Correct 17 ms 17408 KB Output is correct
45 Correct 18 ms 17408 KB Output is correct
46 Correct 17 ms 17408 KB Output is correct
47 Correct 18 ms 17408 KB Output is correct
48 Correct 16 ms 17280 KB Output is correct
49 Correct 17 ms 17280 KB Output is correct
50 Correct 16 ms 17152 KB Output is correct
51 Correct 17 ms 17280 KB Output is correct
52 Correct 16 ms 17280 KB Output is correct
53 Correct 17 ms 17280 KB Output is correct
54 Correct 16 ms 17296 KB Output is correct
55 Correct 21 ms 17792 KB Output is correct
56 Correct 48 ms 20728 KB Output is correct
57 Correct 88 ms 23616 KB Output is correct
58 Correct 102 ms 25456 KB Output is correct
59 Correct 142 ms 28380 KB Output is correct
60 Correct 185 ms 31216 KB Output is correct
61 Correct 217 ms 33128 KB Output is correct
62 Correct 236 ms 34924 KB Output is correct
63 Correct 319 ms 38672 KB Output is correct
64 Correct 308 ms 39528 KB Output is correct
65 Correct 146 ms 71032 KB Output is correct
66 Correct 147 ms 71032 KB Output is correct
67 Correct 153 ms 33504 KB Output is correct
68 Correct 218 ms 56804 KB Output is correct
69 Correct 262 ms 54244 KB Output is correct
70 Correct 253 ms 54116 KB Output is correct
71 Correct 278 ms 54620 KB Output is correct
72 Correct 289 ms 54872 KB Output is correct
73 Correct 246 ms 51164 KB Output is correct
74 Correct 250 ms 51296 KB Output is correct
75 Correct 251 ms 49760 KB Output is correct
76 Correct 251 ms 49760 KB Output is correct
77 Correct 256 ms 48480 KB Output is correct
78 Correct 247 ms 47336 KB Output is correct
79 Correct 242 ms 46172 KB Output is correct