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Submission #927168

# Submission time Handle Problem Language Result Execution time Memory
927168 2024-02-14T10:53:52 Z Amirreza_Fakhri Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 40 ms 13264 KB 
#include <bits/stdc++.h>
const int MAXN=30007;
using namespace std;
vector<int> g[MAXN],w[MAXN];
set<int> v[MAXN];
bool vi[MAXN];
int dist[MAXN],en;
void dijkstra(int s)
{
	priority_queue<pair<int,int> > pq;
	pq.push(make_pair(0,s));
	while(!pq.empty())
	{
		int u=pq.top().second,d=-pq.top().first;
		pq.pop();
		if(vi[u]) continue;
		dist[u]=d;
		vi[u]=true;
		if(u==en) return;
		for(int i=0;i<g[u].size();i++) if(!vi[g[u][i]]) pq.push(make_pair(-d-w[u][i],g[u][i]));
	}
}
int main()
{
	int n,m,st,t1,t2;
	cin>>n>>m;
	cin>>st>>t1>>en>>t2;
	v[st].insert(-t1);
	v[en].insert(-t2);
	for(int i=0;i<m-2;i++)
	{
		cin>>t1>>t2;
		v[t1].insert(-t2);
	}
	for(int i=0;i<n;i++)
	{
		for(set<int>::iterator it=v[i].begin();it!=v[i].end();it++)
		{
			int t=-(*it),cur=i+t;
			while(cur<n)
			{
				if( v[cur].size()>0) 
				{
					g[i].push_back(cur);
					w[i].push_back((cur-i)/t);
					// vi[cur]=true;
				}
				if(v[cur].find(-t)!=v[cur].end()) break;
				cur+=t;
			} 
			cur=i-t;
			while(cur>=0)
			{
				if( v[cur].size()>0) 
				{
					g[i].push_back(cur);
					w[i].push_back((i-cur)/t);
					// vi[cur]=true;
				}
				if(v[cur].find(-t)!=v[cur].end()) break;
				cur-=t;
			}
		}
		// for(int j=0;j<g[i].size();j++) vi[g[i][j]]=false;
	}
	dijkstra(st);
	if(!vi[en]) dist[en]=-1;
	cout<<dist[en]<<"\n";
}

Compilation message

skyscraper.cpp: In function 'void dijkstra(int)':
skyscraper.cpp:20:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   for(int i=0;i<g[u].size();i++) if(!vi[g[u][i]]) pq.push(make_pair(-d-w[u][i],g[u][i]));
      |               ~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3160 KB Output is correct
5 Correct 1 ms 3164 KB Output is correct
6 Correct 1 ms 3160 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3416 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3160 KB Output is correct
5 Correct 1 ms 3164 KB Output is correct
6 Correct 1 ms 3164 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct
8 Correct 1 ms 3164 KB Output is correct
9 Correct 1 ms 3164 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 2 ms 3164 KB Output is correct
12 Correct 1 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 2 ms 3164 KB Output is correct
15 Correct 2 ms 3164 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 2 ms 3248 KB Output is correct
3 Correct 1 ms 3160 KB Output is correct
4 Correct 1 ms 3164 KB Output is correct
5 Correct 1 ms 3164 KB Output is correct
6 Correct 1 ms 3256 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct
8 Correct 1 ms 3164 KB Output is correct
9 Correct 1 ms 3164 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 2 ms 3164 KB Output is correct
12 Correct 1 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 2 ms 3164 KB Output is correct
15 Correct 2 ms 3164 KB Output is correct
16 Correct 1 ms 3164 KB Output is correct
17 Correct 3 ms 3420 KB Output is correct
18 Correct 2 ms 3160 KB Output is correct
19 Correct 1 ms 3164 KB Output is correct
20 Correct 2 ms 3420 KB Output is correct
21 Correct 2 ms 3164 KB Output is correct
22 Correct 1 ms 3164 KB Output is correct
23 Correct 2 ms 3164 KB Output is correct
24 Correct 2 ms 3420 KB Output is correct
25 Correct 2 ms 3420 KB Output is correct
26 Correct 2 ms 3164 KB Output is correct
27 Correct 2 ms 3164 KB Output is correct
28 Correct 2 ms 3420 KB Output is correct
29 Correct 1 ms 3164 KB Output is correct
30 Correct 1 ms 3164 KB Output is correct
31 Correct 1 ms 3164 KB Output is correct
32 Correct 1 ms 3164 KB Output is correct
33 Correct 2 ms 3264 KB Output is correct
34 Correct 3 ms 3164 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3164 KB Output is correct
5 Correct 1 ms 3164 KB Output is correct
6 Correct 1 ms 3164 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct
8 Correct 1 ms 3232 KB Output is correct
9 Correct 1 ms 3160 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 2 ms 3396 KB Output is correct
12 Correct 2 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 3 ms 3164 KB Output is correct
15 Correct 2 ms 3164 KB Output is correct
16 Correct 2 ms 3164 KB Output is correct
17 Correct 2 ms 3420 KB Output is correct
18 Correct 1 ms 3164 KB Output is correct
19 Correct 1 ms 3164 KB Output is correct
20 Correct 2 ms 3420 KB Output is correct
21 Correct 2 ms 3160 KB Output is correct
22 Correct 1 ms 3160 KB Output is correct
23 Correct 3 ms 3160 KB Output is correct
24 Correct 2 ms 3420 KB Output is correct
25 Correct 2 ms 3420 KB Output is correct
26 Correct 2 ms 3164 KB Output is correct
27 Correct 1 ms 3164 KB Output is correct
28 Correct 2 ms 3420 KB Output is correct
29 Correct 1 ms 3164 KB Output is correct
30 Correct 1 ms 3164 KB Output is correct
31 Correct 2 ms 3164 KB Output is correct
32 Correct 1 ms 3164 KB Output is correct
33 Correct 2 ms 3164 KB Output is correct
34 Correct 2 ms 3164 KB Output is correct
35 Correct 19 ms 5964 KB Output is correct
36 Correct 3 ms 3676 KB Output is correct
37 Correct 19 ms 6624 KB Output is correct
38 Correct 26 ms 7384 KB Output is correct
39 Correct 23 ms 6220 KB Output is correct
40 Correct 24 ms 6696 KB Output is correct
41 Correct 37 ms 7360 KB Output is correct
42 Correct 15 ms 3160 KB Output is correct
43 Correct 10 ms 3160 KB Output is correct
44 Correct 11 ms 3416 KB Output is correct
45 Correct 18 ms 4836 KB Output is correct
46 Correct 19 ms 5012 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3164 KB Output is correct
5 Correct 1 ms 3164 KB Output is correct
6 Correct 2 ms 3164 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct
8 Correct 1 ms 3164 KB Output is correct
9 Correct 1 ms 3164 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 3 ms 3384 KB Output is correct
12 Correct 2 ms 3164 KB Output is correct
13 Correct 2 ms 3164 KB Output is correct
14 Correct 2 ms 3164 KB Output is correct
15 Correct 2 ms 3164 KB Output is correct
16 Correct 2 ms 3164 KB Output is correct
17 Correct 3 ms 3420 KB Output is correct
18 Correct 2 ms 3164 KB Output is correct
19 Correct 1 ms 3164 KB Output is correct
20 Correct 2 ms 3420 KB Output is correct
21 Correct 2 ms 3164 KB Output is correct
22 Correct 2 ms 3168 KB Output is correct
23 Correct 2 ms 3232 KB Output is correct
24 Correct 2 ms 3428 KB Output is correct
25 Correct 2 ms 3428 KB Output is correct
26 Correct 2 ms 3168 KB Output is correct
27 Correct 2 ms 3168 KB Output is correct
28 Correct 3 ms 3432 KB Output is correct
29 Correct 1 ms 3200 KB Output is correct
30 Correct 1 ms 3176 KB Output is correct
31 Correct 1 ms 3176 KB Output is correct
32 Correct 1 ms 3352 KB Output is correct
33 Correct 2 ms 3164 KB Output is correct
34 Correct 3 ms 3164 KB Output is correct
35 Correct 19 ms 6112 KB Output is correct
36 Correct 6 ms 3676 KB Output is correct
37 Correct 28 ms 6740 KB Output is correct
38 Correct 25 ms 7388 KB Output is correct
39 Correct 24 ms 6216 KB Output is correct
40 Correct 24 ms 6636 KB Output is correct
41 Correct 26 ms 7372 KB Output is correct
42 Correct 11 ms 3160 KB Output is correct
43 Correct 11 ms 3164 KB Output is correct
44 Correct 11 ms 3328 KB Output is correct
45 Correct 19 ms 4956 KB Output is correct
46 Correct 18 ms 4956 KB Output is correct
47 Correct 38 ms 13264 KB Output is correct
48 Correct 20 ms 6132 KB Output is correct
49 Correct 15 ms 5212 KB Output is correct
50 Correct 11 ms 4696 KB Output is correct
51 Correct 29 ms 8332 KB Output is correct
52 Correct 30 ms 8648 KB Output is correct
53 Correct 21 ms 5508 KB Output is correct
54 Correct 1 ms 3164 KB Output is correct
55 Correct 1 ms 3160 KB Output is correct
56 Correct 17 ms 6492 KB Output is correct
57 Correct 7 ms 3932 KB Output is correct
58 Correct 8 ms 3164 KB Output is correct
59 Correct 11 ms 3252 KB Output is correct
60 Correct 11 ms 3164 KB Output is correct
61 Correct 12 ms 3420 KB Output is correct
62 Correct 24 ms 10156 KB Output is correct
63 Correct 24 ms 4696 KB Output is correct
64 Correct 30 ms 4700 KB Output is correct
65 Correct 31 ms 4864 KB Output is correct
66 Correct 40 ms 4944 KB Output is correct
67 Correct 40 ms 4952 KB Output is correct