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Submission #111093

# Submission time Handle Problem Language Result Execution time Memory
111093 2019-05-13T15:46:25 Z aleksam Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 982 ms 2560 KB 
//Jakarta skysrcapers
#include <bits/stdc++.h>
#define INF MOD
#define MOD 100000007
#define MAX_N 30005
#define MAX_M 30005
#define K 0.97
int mg;

using namespace std;

int N, M;
int source, dest;
struct edge{
	int d, w;
};
vector<int> soli[MAX_N];
int dist[MAX_N];
bool mark[MAX_N];
clock_t t;
bool legal;
void dijkstra(int s){
	if(clock()-t>K*CLOCKS_PER_SEC){legal=0;return;}
	memset(dist, INF, sizeof(dist));
	memset(mark, 0, sizeof(mark));
	
	dist[s]=0;
	priority_queue<pair<int, int> > pq;
	pq.emplace(0, s);
	while(!pq.empty()){
		auto cur=pq.top();
		pq.pop();
		int v=cur.second;
		if(mark[v])continue;
		mark[v]=1;
		if(v==dest)return;
		int d=soli[v].size();
		for(int j=0; j<d; ++j){
			int p=soli[v][j];
			int sk=v-p;
			while(sk>=0 && sk>v-mg*p){
				int w=(v-sk)/p;
				if(!mark[sk] && dist[sk]>dist[v]+w && soli[sk].size()>0){
					dist[sk]=dist[v]+w;
					pq.emplace(-1*(dist[v]+w), sk);
				}
				sk-=p;
			}
			sk=v+p;
			while(sk<N && sk<v+mg*p){
				int w=(sk-v)/p;
				if(!mark[sk] && dist[sk]>dist[v]+w && soli[sk].size()>0){
					dist[sk]=dist[v]+w;
					pq.emplace(-1*(dist[v]+w), sk);
				}
				sk+=p;
			}
			if(clock()-t>K*CLOCKS_PER_SEC){legal=0;return;}
		}
		
	}
}
inline bool cmp(int i, int j){return i>j;}
int main(){
	ios::sync_with_stdio(false);
	
	cin>>N>>M;
	int b;
	cin>>source>>b;
	soli[source].push_back(b);
	cin>>dest>>b;
	soli[dest].push_back(b);
	for(int i=2; i<M; ++i){
		int p;
		cin>>b>>p;
		soli[b].push_back(p);
	}
	t=clock();
	for(int i=0; i<N; ++i){
		sort(soli[i].begin(), soli[i].end(), cmp);
	}
	
	mg=7000;
	legal=1;
	dijkstra(source);
	int output=dist[dest]>100000000?-1:dist[dest];
	mg=30000;
	if(legal)
	dijkstra(source);
	if(!legal){cout<<output;return 0;}
	if(dist[dest]>100000000)cout<<"-1"<<endl;
	else 
	cout<<dist[dest];
	return 0;
}

/*
5 3
0 2
1 1
4 1
*/
/*
4 4 
0 1 1
1 2 2 
2 3 1 
1 3 4
0 3

5 6 
0 1 1
1 2 2 
2 3 1 
1 3 4
0 4 2
4 3 1
0 3


3
3 2
1 2 5
2 3 7
1 3
3 3
1 2 4
1 3 7
2 3 1
1 3
3 1
1 2 4
1 3
*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1152 KB Output is correct
2 Correct 2 ms 1152 KB Output is correct
3 Correct 3 ms 1152 KB Output is correct
4 Correct 3 ms 1152 KB Output is correct
5 Correct 3 ms 1152 KB Output is correct
6 Correct 3 ms 1152 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1152 KB Output is correct
2 Correct 3 ms 1152 KB Output is correct
3 Correct 4 ms 1152 KB Output is correct
4 Correct 4 ms 1152 KB Output is correct
5 Correct 3 ms 1152 KB Output is correct
6 Correct 3 ms 1152 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 3 ms 1152 KB Output is correct
9 Correct 3 ms 1152 KB Output is correct
10 Correct 4 ms 1280 KB Output is correct
11 Correct 4 ms 1152 KB Output is correct
12 Correct 4 ms 1152 KB Output is correct
13 Correct 7 ms 1152 KB Output is correct
14 Correct 7 ms 1280 KB Output is correct
15 Correct 5 ms 1152 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1152 KB Output is correct
2 Correct 4 ms 1152 KB Output is correct
3 Correct 3 ms 1152 KB Output is correct
4 Correct 3 ms 1152 KB Output is correct
5 Correct 2 ms 1152 KB Output is correct
6 Correct 3 ms 1152 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 4 ms 1152 KB Output is correct
9 Correct 3 ms 1152 KB Output is correct
10 Correct 4 ms 1280 KB Output is correct
11 Correct 4 ms 1280 KB Output is correct
12 Correct 3 ms 1280 KB Output is correct
13 Correct 6 ms 1280 KB Output is correct
14 Correct 5 ms 1280 KB Output is correct
15 Correct 5 ms 1280 KB Output is correct
16 Correct 4 ms 1280 KB Output is correct
17 Correct 7 ms 1280 KB Output is correct
18 Correct 3 ms 1280 KB Output is correct
19 Correct 4 ms 1280 KB Output is correct
20 Correct 31 ms 1280 KB Output is correct
21 Correct 3 ms 1280 KB Output is correct
22 Correct 3 ms 1280 KB Output is correct
23 Correct 12 ms 1276 KB Output is correct
24 Correct 6 ms 1280 KB Output is correct
25 Correct 4 ms 1280 KB Output is correct
26 Correct 4 ms 1152 KB Output is correct
27 Correct 4 ms 1280 KB Output is correct
28 Correct 6 ms 1280 KB Output is correct
29 Correct 5 ms 1280 KB Output is correct
30 Correct 4 ms 1280 KB Output is correct
31 Correct 4 ms 1152 KB Output is correct
32 Correct 4 ms 1280 KB Output is correct
33 Correct 7 ms 1280 KB Output is correct
34 Correct 6 ms 1152 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1152 KB Output is correct
2 Correct 2 ms 1152 KB Output is correct
3 Correct 4 ms 1152 KB Output is correct
4 Correct 3 ms 1152 KB Output is correct
5 Correct 3 ms 1152 KB Output is correct
6 Correct 3 ms 1152 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 17 ms 1152 KB Output is correct
9 Correct 4 ms 1152 KB Output is correct
10 Correct 3 ms 1152 KB Output is correct
11 Correct 4 ms 1280 KB Output is correct
12 Correct 3 ms 1280 KB Output is correct
13 Correct 5 ms 1280 KB Output is correct
14 Correct 5 ms 1280 KB Output is correct
15 Correct 5 ms 1280 KB Output is correct
16 Correct 3 ms 1280 KB Output is correct
17 Correct 5 ms 1280 KB Output is correct
18 Correct 3 ms 1152 KB Output is correct
19 Correct 3 ms 1152 KB Output is correct
20 Correct 30 ms 1280 KB Output is correct
21 Correct 3 ms 1152 KB Output is correct
22 Correct 4 ms 1280 KB Output is correct
23 Correct 5 ms 1280 KB Output is correct
24 Correct 7 ms 1280 KB Output is correct
25 Correct 4 ms 1280 KB Output is correct
26 Correct 4 ms 1280 KB Output is correct
27 Correct 5 ms 1152 KB Output is correct
28 Correct 9 ms 1280 KB Output is correct
29 Correct 6 ms 1280 KB Output is correct
30 Correct 5 ms 1152 KB Output is correct
31 Correct 5 ms 1280 KB Output is correct
32 Correct 4 ms 1280 KB Output is correct
33 Correct 8 ms 1280 KB Output is correct
34 Correct 8 ms 1152 KB Output is correct
35 Correct 35 ms 1536 KB Output is correct
36 Correct 5 ms 1280 KB Output is correct
37 Correct 16 ms 1536 KB Output is correct
38 Correct 41 ms 1536 KB Output is correct
39 Correct 10 ms 1408 KB Output is correct
40 Correct 14 ms 1536 KB Output is correct
41 Correct 40 ms 1612 KB Output is correct
42 Correct 9 ms 1408 KB Output is correct
43 Correct 9 ms 1408 KB Output is correct
44 Correct 232 ms 1408 KB Output is correct
45 Correct 45 ms 1408 KB Output is correct
46 Correct 45 ms 1408 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1152 KB Output is correct
2 Correct 3 ms 1152 KB Output is correct
3 Correct 3 ms 1408 KB Output is correct
4 Correct 4 ms 1280 KB Output is correct
5 Correct 2 ms 1024 KB Output is correct
6 Correct 3 ms 1152 KB Output is correct
7 Correct 3 ms 1152 KB Output is correct
8 Correct 2 ms 1152 KB Output is correct
9 Correct 2 ms 1152 KB Output is correct
10 Correct 3 ms 1280 KB Output is correct
11 Correct 4 ms 1280 KB Output is correct
12 Correct 3 ms 1280 KB Output is correct
13 Correct 5 ms 1280 KB Output is correct
14 Correct 6 ms 1152 KB Output is correct
15 Correct 7 ms 1152 KB Output is correct
16 Correct 2 ms 1152 KB Output is correct
17 Correct 5 ms 1324 KB Output is correct
18 Correct 3 ms 1280 KB Output is correct
19 Correct 4 ms 1280 KB Output is correct
20 Correct 33 ms 1280 KB Output is correct
21 Correct 3 ms 1152 KB Output is correct
22 Correct 3 ms 1280 KB Output is correct
23 Correct 5 ms 1152 KB Output is correct
24 Correct 8 ms 1408 KB Output is correct
25 Correct 5 ms 1280 KB Output is correct
26 Correct 4 ms 1280 KB Output is correct
27 Correct 4 ms 1152 KB Output is correct
28 Correct 7 ms 1280 KB Output is correct
29 Correct 5 ms 1152 KB Output is correct
30 Correct 3 ms 1152 KB Output is correct
31 Correct 4 ms 1152 KB Output is correct
32 Correct 7 ms 1152 KB Output is correct
33 Correct 6 ms 1256 KB Output is correct
34 Correct 10 ms 1280 KB Output is correct
35 Correct 35 ms 1536 KB Output is correct
36 Correct 6 ms 1280 KB Output is correct
37 Correct 16 ms 1536 KB Output is correct
38 Correct 44 ms 1536 KB Output is correct
39 Correct 11 ms 1408 KB Output is correct
40 Correct 15 ms 1536 KB Output is correct
41 Correct 42 ms 1536 KB Output is correct
42 Correct 12 ms 1452 KB Output is correct
43 Correct 14 ms 1536 KB Output is correct
44 Correct 211 ms 1528 KB Output is correct
45 Correct 44 ms 1408 KB Output is correct
46 Correct 44 ms 1408 KB Output is correct
47 Correct 26 ms 2280 KB Output is correct
48 Correct 12 ms 1664 KB Output is correct
49 Correct 10 ms 1664 KB Output is correct
50 Correct 7 ms 1536 KB Output is correct
51 Correct 56 ms 2560 KB Output is correct
52 Correct 60 ms 2548 KB Output is correct
53 Correct 20 ms 2048 KB Output is correct
54 Correct 3 ms 1152 KB Output is correct
55 Correct 3 ms 1152 KB Output is correct
56 Incorrect 982 ms 2296 KB Output isn't correct
57 Halted 0 ms 0 KB -