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Submission #69318

# Submission time Handle Problem Language Result Execution time Memory
69318 2018-08-20T12:19:28 Z FedericoS Fireworks (APIO16_fireworks) C++14
26 / 100
 85 ms 2412 KB 
#pragma GCC optimize("Ofast")
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> pll;

ll x,y;
ll INF=1e18;
ll N,M,K=600;
ll DP[305][700];
vector<pll> grafo[305];
ll ans;
ll V[1000006];

void DFS(ll k, ll p){

	if(k>N){
		for(int i=1;i<K;i++)
			DP[k][i]=INF;
		return;
	}

	for(pll f:grafo[k])
		if(f.first!=p)
			DFS(f.first,k);

	for(int i=0;i<K;i++)
		for(pll f:grafo[k])
			if(f.first!=p){
				ll res=INF;
				for(int j=0;j<=i;j++)
					res=min(res,DP[f.first][j]+abs(f.second-(i-j)));
				DP[k][i]+=res;
			}

}

int main(){

	cin>>N>>M;

	if(N==1){

		N=M;

		for(int i=0;i<N;i++)
			cin>>V[i]>>V[i];
	 
		sort(V,V+N);
	 
		for(int i=0;i<N;i++)
			ans+=abs(V[i]-V[N/2]);

	}
	else{

		for(int i=2;i<=N+M;i++){
			cin>>x>>y;
			grafo[i].push_back({x,y});
			grafo[x].push_back({i,y});
		}

		DFS(1,0);

		ans=INF;
		for(int i=0;i<K;i++)
			ans=min(ans,DP[1][i]);
		
	}

	cout<<ans;

}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 3 ms 468 KB Output is correct
4 Correct 9 ms 544 KB Output is correct
5 Correct 3 ms 544 KB Output is correct
6 Correct 3 ms 544 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 3 ms 620 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 692 KB Output is correct
2 Correct 11 ms 748 KB Output is correct
3 Correct 16 ms 876 KB Output is correct
4 Correct 28 ms 1132 KB Output is correct
5 Correct 39 ms 1260 KB Output is correct
6 Correct 35 ms 1260 KB Output is correct
7 Correct 39 ms 1388 KB Output is correct
8 Correct 46 ms 1516 KB Output is correct
9 Correct 50 ms 1644 KB Output is correct
10 Correct 51 ms 1772 KB Output is correct
11 Correct 57 ms 1916 KB Output is correct
12 Correct 85 ms 2044 KB Output is correct
13 Correct 70 ms 2044 KB Output is correct
14 Correct 74 ms 2196 KB Output is correct
15 Correct 71 ms 2300 KB Output is correct
16 Correct 71 ms 2412 KB Output is correct
17 Correct 71 ms 2412 KB Output is correct
18 Correct 82 ms 2412 KB Output is correct
19 Correct 82 ms 2412 KB Output is correct

Subtask #3
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 3 ms 468 KB Output is correct
4 Correct 9 ms 544 KB Output is correct
5 Correct 3 ms 544 KB Output is correct
6 Correct 3 ms 544 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 6 ms 692 KB Output is correct
12 Correct 11 ms 748 KB Output is correct
13 Correct 16 ms 876 KB Output is correct
14 Correct 28 ms 1132 KB Output is correct
15 Correct 39 ms 1260 KB Output is correct
16 Correct 35 ms 1260 KB Output is correct
17 Correct 39 ms 1388 KB Output is correct
18 Correct 46 ms 1516 KB Output is correct
19 Correct 50 ms 1644 KB Output is correct
20 Correct 51 ms 1772 KB Output is correct
21 Correct 57 ms 1916 KB Output is correct
22 Correct 85 ms 2044 KB Output is correct
23 Correct 70 ms 2044 KB Output is correct
24 Correct 74 ms 2196 KB Output is correct
25 Correct 71 ms 2300 KB Output is correct
26 Correct 71 ms 2412 KB Output is correct
27 Correct 71 ms 2412 KB Output is correct
28 Correct 82 ms 2412 KB Output is correct
29 Correct 82 ms 2412 KB Output is correct
30 Runtime error 5 ms 2412 KB Execution killed with signal 11 (could be triggered by violating memory limits)
31 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 3 ms 468 KB Output is correct
4 Correct 9 ms 544 KB Output is correct
5 Correct 3 ms 544 KB Output is correct
6 Correct 3 ms 544 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 2 ms 620 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 6 ms 692 KB Output is correct
12 Correct 11 ms 748 KB Output is correct
13 Correct 16 ms 876 KB Output is correct
14 Correct 28 ms 1132 KB Output is correct
15 Correct 39 ms 1260 KB Output is correct
16 Correct 35 ms 1260 KB Output is correct
17 Correct 39 ms 1388 KB Output is correct
18 Correct 46 ms 1516 KB Output is correct
19 Correct 50 ms 1644 KB Output is correct
20 Correct 51 ms 1772 KB Output is correct
21 Correct 57 ms 1916 KB Output is correct
22 Correct 85 ms 2044 KB Output is correct
23 Correct 70 ms 2044 KB Output is correct
24 Correct 74 ms 2196 KB Output is correct
25 Correct 71 ms 2300 KB Output is correct
26 Correct 71 ms 2412 KB Output is correct
27 Correct 71 ms 2412 KB Output is correct
28 Correct 82 ms 2412 KB Output is correct
29 Correct 82 ms 2412 KB Output is correct
30 Runtime error 5 ms 2412 KB Execution killed with signal 11 (could be triggered by violating memory limits)
31 Halted 0 ms 0 KB -