oj.uz

Submission #68800

# Submission time Handle Problem Language Result Execution time Memory
68800 2018-08-18T13:49:33 Z FedericoS Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 2840 KB 
#pragma GCC optimize("Ofast")
#include <iostream>
#include <vector>
#include <deque>
using namespace std;
typedef pair<int,pair<int,int>> pp;

int N,M;
int B[30005],P[30005];
vector<int> V[30005];
deque<pp> Q;

int main(){

	cin>>N>>M;
	for(int i=0;i<M;i++){
		cin>>B[i]>>P[i];
		if(i)
			V[B[i]].push_back(i);
	}

	//indice distanza posizione

	Q.push_back({0,{0,B[0]}});

	while(!Q.empty()){

		pp p=Q.front();
		Q.pop_front();

		//cout<<Q.size()<<" "<<p.first<<" "<<p.second.first<<" "<<p.second.second<<endl;

		if(p.first==1){
			cout<<p.second.first;
			return 0;
		}

		for(int x:V[p.second.second])
			Q.push_front({x,{p.second.first,B[x]}});
		V[p.second.second].clear();

		if(p.second.second==B[p.first]){
			if(p.second.second-P[p.first]>=0)
				Q.push_back({p.first,{p.second.first+1,p.second.second-P[p.first]}});
			if(p.second.second+P[p.first]<N)
				Q.push_back({p.first,{p.second.first+1,p.second.second+P[p.first]}});
		}

		if(p.second.second<B[p.first]){
			if(p.second.second-P[p.first]>=0)
				Q.push_back({p.first,{p.second.first+1,p.second.second-P[p.first]}});
		}

		if(p.second.second>B[p.first]){
			if(p.second.second+P[p.first]<N)
				Q.push_back({p.first,{p.second.first+1,p.second.second+P[p.first]}});
		}

	}

	cout<<-1;

}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1016 KB Output is correct
2 Correct 3 ms 1172 KB Output is correct
3 Correct 4 ms 1172 KB Output is correct
4 Correct 3 ms 1172 KB Output is correct
5 Correct 3 ms 1172 KB Output is correct
6 Correct 3 ms 1288 KB Output is correct
7 Correct 3 ms 1288 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1288 KB Output is correct
2 Correct 4 ms 1288 KB Output is correct
3 Correct 4 ms 1288 KB Output is correct
4 Correct 3 ms 1288 KB Output is correct
5 Correct 3 ms 1312 KB Output is correct
6 Correct 3 ms 1312 KB Output is correct
7 Correct 4 ms 1312 KB Output is correct
8 Correct 3 ms 1312 KB Output is correct
9 Correct 3 ms 1312 KB Output is correct
10 Correct 5 ms 1312 KB Output is correct
11 Correct 4 ms 1312 KB Output is correct
12 Correct 4 ms 1432 KB Output is correct
13 Correct 5 ms 1432 KB Output is correct
14 Correct 5 ms 1432 KB Output is correct
15 Correct 4 ms 1432 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1432 KB Output is correct
2 Correct 2 ms 1432 KB Output is correct
3 Correct 4 ms 1432 KB Output is correct
4 Correct 3 ms 1432 KB Output is correct
5 Correct 3 ms 1432 KB Output is correct
6 Correct 4 ms 1432 KB Output is correct
7 Correct 3 ms 1432 KB Output is correct
8 Correct 2 ms 1432 KB Output is correct
9 Correct 3 ms 1432 KB Output is correct
10 Correct 4 ms 1432 KB Output is correct
11 Correct 4 ms 1432 KB Output is correct
12 Correct 4 ms 1432 KB Output is correct
13 Correct 4 ms 1432 KB Output is correct
14 Correct 6 ms 1432 KB Output is correct
15 Correct 5 ms 1432 KB Output is correct
16 Correct 4 ms 1432 KB Output is correct
17 Correct 5 ms 1432 KB Output is correct
18 Correct 6 ms 1432 KB Output is correct
19 Correct 4 ms 1432 KB Output is correct
20 Correct 47 ms 1448 KB Output is correct
21 Correct 5 ms 1448 KB Output is correct
22 Correct 4 ms 1448 KB Output is correct
23 Correct 3 ms 1448 KB Output is correct
24 Correct 6 ms 1448 KB Output is correct
25 Correct 5 ms 1448 KB Output is correct
26 Correct 6 ms 1448 KB Output is correct
27 Correct 4 ms 1448 KB Output is correct
28 Correct 5 ms 1448 KB Output is correct
29 Correct 4 ms 1448 KB Output is correct
30 Correct 4 ms 1448 KB Output is correct
31 Correct 4 ms 1448 KB Output is correct
32 Correct 4 ms 1448 KB Output is correct
33 Correct 7 ms 1448 KB Output is correct
34 Correct 5 ms 1448 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1448 KB Output is correct
2 Correct 4 ms 1448 KB Output is correct
3 Correct 3 ms 1448 KB Output is correct
4 Correct 3 ms 1448 KB Output is correct
5 Correct 3 ms 1448 KB Output is correct
6 Correct 4 ms 1448 KB Output is correct
7 Correct 3 ms 1448 KB Output is correct
8 Correct 3 ms 1448 KB Output is correct
9 Correct 4 ms 1448 KB Output is correct
10 Correct 3 ms 1448 KB Output is correct
11 Correct 4 ms 1448 KB Output is correct
12 Correct 5 ms 1448 KB Output is correct
13 Correct 4 ms 1448 KB Output is correct
14 Correct 6 ms 1448 KB Output is correct
15 Correct 4 ms 1448 KB Output is correct
16 Correct 3 ms 1448 KB Output is correct
17 Correct 4 ms 1448 KB Output is correct
18 Correct 4 ms 1448 KB Output is correct
19 Correct 3 ms 1448 KB Output is correct
20 Correct 62 ms 1448 KB Output is correct
21 Correct 5 ms 1448 KB Output is correct
22 Correct 3 ms 1448 KB Output is correct
23 Correct 4 ms 1448 KB Output is correct
24 Correct 4 ms 1448 KB Output is correct
25 Correct 4 ms 1448 KB Output is correct
26 Correct 4 ms 1448 KB Output is correct
27 Correct 4 ms 1448 KB Output is correct
28 Correct 5 ms 1448 KB Output is correct
29 Correct 5 ms 1448 KB Output is correct
30 Correct 3 ms 1448 KB Output is correct
31 Correct 3 ms 1448 KB Output is correct
32 Correct 4 ms 1448 KB Output is correct
33 Correct 6 ms 1448 KB Output is correct
34 Correct 6 ms 1448 KB Output is correct
35 Correct 27 ms 1916 KB Output is correct
36 Correct 6 ms 1916 KB Output is correct
37 Correct 16 ms 1916 KB Output is correct
38 Correct 37 ms 1920 KB Output is correct
39 Correct 22 ms 1920 KB Output is correct
40 Correct 23 ms 1920 KB Output is correct
41 Correct 21 ms 1920 KB Output is correct
42 Correct 19 ms 1920 KB Output is correct
43 Correct 20 ms 2300 KB Output is correct
44 Correct 62 ms 2456 KB Output is correct
45 Correct 26 ms 2456 KB Output is correct
46 Correct 28 ms 2456 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2456 KB Output is correct
2 Correct 3 ms 2456 KB Output is correct
3 Correct 3 ms 2456 KB Output is correct
4 Correct 3 ms 2456 KB Output is correct
5 Correct 4 ms 2456 KB Output is correct
6 Correct 3 ms 2456 KB Output is correct
7 Correct 3 ms 2456 KB Output is correct
8 Correct 3 ms 2456 KB Output is correct
9 Correct 3 ms 2456 KB Output is correct
10 Correct 3 ms 2456 KB Output is correct
11 Correct 4 ms 2456 KB Output is correct
12 Correct 4 ms 2456 KB Output is correct
13 Correct 4 ms 2456 KB Output is correct
14 Correct 4 ms 2456 KB Output is correct
15 Correct 4 ms 2456 KB Output is correct
16 Correct 3 ms 2456 KB Output is correct
17 Correct 4 ms 2456 KB Output is correct
18 Correct 4 ms 2456 KB Output is correct
19 Correct 3 ms 2456 KB Output is correct
20 Correct 48 ms 2456 KB Output is correct
21 Correct 4 ms 2456 KB Output is correct
22 Correct 4 ms 2456 KB Output is correct
23 Correct 4 ms 2456 KB Output is correct
24 Correct 4 ms 2456 KB Output is correct
25 Correct 6 ms 2456 KB Output is correct
26 Correct 4 ms 2456 KB Output is correct
27 Correct 4 ms 2456 KB Output is correct
28 Correct 4 ms 2456 KB Output is correct
29 Correct 4 ms 2456 KB Output is correct
30 Correct 3 ms 2456 KB Output is correct
31 Correct 4 ms 2456 KB Output is correct
32 Correct 4 ms 2456 KB Output is correct
33 Correct 5 ms 2456 KB Output is correct
34 Correct 5 ms 2456 KB Output is correct
35 Correct 19 ms 2456 KB Output is correct
36 Correct 6 ms 2456 KB Output is correct
37 Correct 19 ms 2456 KB Output is correct
38 Correct 22 ms 2456 KB Output is correct
39 Correct 41 ms 2456 KB Output is correct
40 Correct 26 ms 2456 KB Output is correct
41 Correct 26 ms 2456 KB Output is correct
42 Correct 24 ms 2456 KB Output is correct
43 Correct 35 ms 2456 KB Output is correct
44 Correct 74 ms 2516 KB Output is correct
45 Correct 30 ms 2516 KB Output is correct
46 Correct 26 ms 2516 KB Output is correct
47 Correct 36 ms 2516 KB Output is correct
48 Correct 26 ms 2516 KB Output is correct
49 Correct 32 ms 2516 KB Output is correct
50 Correct 19 ms 2516 KB Output is correct
51 Correct 33 ms 2516 KB Output is correct
52 Correct 39 ms 2516 KB Output is correct
53 Correct 52 ms 2516 KB Output is correct
54 Correct 4 ms 2516 KB Output is correct
55 Correct 4 ms 2516 KB Output is correct
56 Execution timed out 1079 ms 2840 KB Time limit exceeded
57 Halted 0 ms 0 KB -