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Submission #870060

# Submission time Handle Problem Language Result Execution time Memory
870060 2023-11-06T19:43:48 Z amirhoseinfar1385 Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 45 ms 13276 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(!vi[cur] && 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(!vi[cur] && 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]));
      |               ~^~~~~~~~~~~~
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:64:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |   for(int j=0;j<g[i].size();j++) vi[g[i][j]]=false;
      |               ~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3160 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

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 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 2 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 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 2 ms 3160 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 2 ms 3164 KB Output is correct
15 Correct 3 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 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 3160 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 3044 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 2 ms 3548 KB Output is correct
18 Correct 2 ms 3164 KB Output is correct
19 Correct 1 ms 3164 KB Output is correct
20 Correct 3 ms 3832 KB Output is correct
21 Correct 2 ms 3164 KB Output is correct
22 Correct 1 ms 3160 KB Output is correct
23 Correct 2 ms 3164 KB Output is correct
24 Correct 3 ms 3420 KB Output is correct
25 Correct 3 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 4 ms 3420 KB Output is correct
29 Correct 2 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 3256 KB Output is correct
33 Correct 2 ms 3164 KB Output is correct
34 Correct 2 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 3164 KB Output is correct
9 Correct 1 ms 3164 KB Output is correct
10 Correct 2 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 3160 KB Output is correct
15 Correct 3 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 1 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 3416 KB Output is correct
26 Correct 2 ms 3164 KB Output is correct
27 Correct 2 ms 3164 KB Output is correct
28 Correct 3 ms 3420 KB Output is correct
29 Correct 2 ms 3164 KB Output is correct
30 Correct 2 ms 3164 KB Output is correct
31 Correct 1 ms 3256 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 23 ms 6100 KB Output is correct
36 Correct 6 ms 3672 KB Output is correct
37 Correct 22 ms 6860 KB Output is correct
38 Correct 28 ms 7120 KB Output is correct
39 Correct 24 ms 6488 KB Output is correct
40 Correct 23 ms 6700 KB Output is correct
41 Correct 25 ms 7520 KB Output is correct
42 Correct 11 ms 3420 KB Output is correct
43 Correct 10 ms 3280 KB Output is correct
44 Correct 11 ms 3928 KB Output is correct
45 Correct 18 ms 4864 KB Output is correct
46 Correct 18 ms 4948 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3160 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 3160 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 3416 KB Output is correct
12 Correct 2 ms 3160 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 3160 KB Output is correct
16 Correct 1 ms 3160 KB Output is correct
17 Correct 2 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 1 ms 3164 KB Output is correct
22 Correct 1 ms 3160 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 3160 KB Output is correct
28 Correct 3 ms 3420 KB Output is correct
29 Correct 2 ms 3164 KB Output is correct
30 Correct 1 ms 3256 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 21 ms 6124 KB Output is correct
36 Correct 4 ms 3676 KB Output is correct
37 Correct 21 ms 6828 KB Output is correct
38 Correct 26 ms 7192 KB Output is correct
39 Correct 23 ms 6492 KB Output is correct
40 Correct 23 ms 6748 KB Output is correct
41 Correct 26 ms 7640 KB Output is correct
42 Correct 10 ms 3364 KB Output is correct
43 Correct 10 ms 3420 KB Output is correct
44 Correct 11 ms 3676 KB Output is correct
45 Correct 18 ms 5056 KB Output is correct
46 Correct 18 ms 4956 KB Output is correct
47 Correct 38 ms 13276 KB Output is correct
48 Correct 19 ms 6236 KB Output is correct
49 Correct 16 ms 5464 KB Output is correct
50 Correct 12 ms 4956 KB Output is correct
51 Correct 29 ms 8660 KB Output is correct
52 Correct 31 ms 8908 KB Output is correct
53 Correct 18 ms 5976 KB Output is correct
54 Correct 1 ms 3164 KB Output is correct
55 Correct 1 ms 3164 KB Output is correct
56 Correct 18 ms 6688 KB Output is correct
57 Correct 9 ms 3932 KB Output is correct
58 Correct 8 ms 3172 KB Output is correct
59 Correct 11 ms 3420 KB Output is correct
60 Correct 11 ms 3416 KB Output is correct
61 Correct 12 ms 3676 KB Output is correct
62 Correct 26 ms 10576 KB Output is correct
63 Correct 25 ms 4956 KB Output is correct
64 Correct 26 ms 4984 KB Output is correct
65 Correct 30 ms 4952 KB Output is correct
66 Correct 45 ms 5020 KB Output is correct
67 Correct 43 ms 5024 KB Output is correct