Submission #270671

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
270671	2020-08-17T21:42:56 Z	test2	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	242 ms	70752 KB

skyscraper

#include<bits/stdc++.h>

#define I inline void 

using ll = long long ; 
using ld = long double ; 

using namespace std ; 

const int N = 1e5 + 7 , mod = 1e9+7 ;  

// how interesting!

int n;  
int d[N] ; 
vector<pair<int , int > > adj[N] ;
bool skys[30001][30001] , ed[30001][30001]; 

int st , en ; 

I dijkstra(){

	priority_queue<pair<int , int> > qu ; 
	qu.push({0 , st}) ; 
	d[st] = 0 ; 

	while(qu.size()){
		int dst = -qu.top().first ; 
		int node = qu.top().second ; 
		qu.pop() ; 

		for(auto u : adj[node]){
			if(d[u.first] == -1 || dst + u.second < d[u.first]){

				d[u.first]  = dst + u.second ; 
				qu.push({-d[u.first] , u.first}) ;
			}
		}
	}
}

set<int> sts[N] ; 

int main(){	
	ios_base::sync_with_stdio(0) ; 
	cin.tie(0) ; 
	//freopen("in.in" , "r" , stdin) ;  
	memset(d , -1 , sizeof d) ; 
	int m; 
	cin >> n >> m; 

	for(int i = 0 ;i < m;i++){
		int a , b; 
		cin >> a >> b; 
		if(i == 0) 
			st = a ;
		if(i == 1 )
			en = a; 
		sts[a].insert(b) ;
	}

	for(int i = 0 ;i < n;i++){
		for(auto u : sts[i]){

			for(int j = 1 ; i + u * j < n ;j ++){
				int cur = i + u * j ; 

				adj[i].push_back({i + u * j , j }) ; 
				if(sts[cur].count(u))
					break ; 

			}

			for(int j = 1 ; i - u * j >=0 ;j ++){
				int cur = i - u * j ; 

				adj[i].push_back({i - u * j , j }) ; 
				if(sts[cur].count(u))
					break ; 
			}	
		}
	}


	dijkstra() ; 
	cout<< d[en] ; 

	return 0 ; 
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	7808 KB	Output is correct
2	Correct	5 ms	7808 KB	Output is correct
3	Correct	5 ms	7808 KB	Output is correct
4	Correct	5 ms	7808 KB	Output is correct
5	Correct	5 ms	7808 KB	Output is correct
6	Correct	5 ms	7808 KB	Output is correct
7	Correct	5 ms	7808 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	7808 KB	Output is correct
2	Correct	5 ms	7808 KB	Output is correct
3	Correct	5 ms	7808 KB	Output is correct
4	Correct	5 ms	7808 KB	Output is correct
5	Correct	5 ms	7808 KB	Output is correct
6	Correct	5 ms	7808 KB	Output is correct
7	Correct	5 ms	7808 KB	Output is correct
8	Correct	5 ms	7808 KB	Output is correct
9	Correct	5 ms	7808 KB	Output is correct
10	Correct	5 ms	7808 KB	Output is correct
11	Correct	6 ms	7936 KB	Output is correct
12	Correct	6 ms	7808 KB	Output is correct
13	Correct	5 ms	7808 KB	Output is correct
14	Correct	6 ms	7936 KB	Output is correct
15	Correct	6 ms	7936 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	7808 KB	Output is correct
2	Correct	5 ms	7808 KB	Output is correct
3	Correct	5 ms	7808 KB	Output is correct
4	Correct	5 ms	7808 KB	Output is correct
5	Correct	5 ms	7808 KB	Output is correct
6	Correct	5 ms	7808 KB	Output is correct
7	Correct	5 ms	7808 KB	Output is correct
8	Correct	5 ms	7808 KB	Output is correct
9	Correct	5 ms	7808 KB	Output is correct
10	Correct	5 ms	7808 KB	Output is correct
11	Correct	6 ms	7936 KB	Output is correct
12	Correct	5 ms	7808 KB	Output is correct
13	Correct	6 ms	7808 KB	Output is correct
14	Correct	6 ms	7936 KB	Output is correct
15	Correct	6 ms	7936 KB	Output is correct
16	Correct	6 ms	7808 KB	Output is correct
17	Correct	7 ms	8064 KB	Output is correct
18	Correct	6 ms	7936 KB	Output is correct
19	Correct	7 ms	7808 KB	Output is correct
20	Correct	6 ms	7936 KB	Output is correct
21	Correct	6 ms	7808 KB	Output is correct
22	Correct	6 ms	7936 KB	Output is correct
23	Correct	6 ms	7936 KB	Output is correct
24	Correct	8 ms	8064 KB	Output is correct
25	Correct	7 ms	8064 KB	Output is correct
26	Correct	7 ms	7936 KB	Output is correct
27	Correct	6 ms	7936 KB	Output is correct
28	Correct	7 ms	8064 KB	Output is correct
29	Correct	10 ms	8576 KB	Output is correct
30	Correct	6 ms	8064 KB	Output is correct
31	Correct	9 ms	8192 KB	Output is correct
32	Correct	8 ms	8064 KB	Output is correct
33	Correct	10 ms	9212 KB	Output is correct
34	Correct	11 ms	9212 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	7808 KB	Output is correct
2	Correct	5 ms	7808 KB	Output is correct
3	Correct	6 ms	7808 KB	Output is correct
4	Correct	5 ms	7808 KB	Output is correct
5	Correct	5 ms	7808 KB	Output is correct
6	Correct	5 ms	7808 KB	Output is correct
7	Correct	5 ms	7712 KB	Output is correct
8	Correct	5 ms	7712 KB	Output is correct
9	Correct	5 ms	7808 KB	Output is correct
10	Correct	5 ms	7808 KB	Output is correct
11	Correct	6 ms	7936 KB	Output is correct
12	Correct	5 ms	7808 KB	Output is correct
13	Correct	6 ms	7808 KB	Output is correct
14	Correct	6 ms	7936 KB	Output is correct
15	Correct	6 ms	7936 KB	Output is correct
16	Correct	6 ms	7808 KB	Output is correct
17	Correct	7 ms	8064 KB	Output is correct
18	Correct	6 ms	7936 KB	Output is correct
19	Correct	5 ms	7808 KB	Output is correct
20	Correct	6 ms	7936 KB	Output is correct
21	Correct	6 ms	7808 KB	Output is correct
22	Correct	6 ms	7936 KB	Output is correct
23	Correct	6 ms	7936 KB	Output is correct
24	Correct	7 ms	8064 KB	Output is correct
25	Correct	7 ms	8064 KB	Output is correct
26	Correct	6 ms	7936 KB	Output is correct
27	Correct	7 ms	7936 KB	Output is correct
28	Correct	6 ms	8064 KB	Output is correct
29	Correct	8 ms	8576 KB	Output is correct
30	Correct	6 ms	8064 KB	Output is correct
31	Correct	8 ms	8192 KB	Output is correct
32	Correct	7 ms	8064 KB	Output is correct
33	Correct	10 ms	9212 KB	Output is correct
34	Correct	10 ms	9212 KB	Output is correct
35	Correct	23 ms	9984 KB	Output is correct
36	Correct	8 ms	8192 KB	Output is correct
37	Correct	27 ms	10752 KB	Output is correct
38	Correct	30 ms	11004 KB	Output is correct
39	Correct	30 ms	11000 KB	Output is correct
40	Correct	30 ms	11008 KB	Output is correct
41	Correct	31 ms	11000 KB	Output is correct
42	Correct	10 ms	8064 KB	Output is correct
43	Correct	10 ms	8064 KB	Output is correct
44	Correct	10 ms	8192 KB	Output is correct
45	Correct	38 ms	13736 KB	Output is correct
46	Correct	33 ms	13696 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	7808 KB	Output is correct
2	Correct	5 ms	7808 KB	Output is correct
3	Correct	5 ms	7808 KB	Output is correct
4	Correct	5 ms	7808 KB	Output is correct
5	Correct	5 ms	7808 KB	Output is correct
6	Correct	5 ms	7808 KB	Output is correct
7	Correct	5 ms	7808 KB	Output is correct
8	Correct	5 ms	7808 KB	Output is correct
9	Correct	5 ms	7808 KB	Output is correct
10	Correct	5 ms	7808 KB	Output is correct
11	Correct	8 ms	7936 KB	Output is correct
12	Correct	5 ms	7808 KB	Output is correct
13	Correct	6 ms	7808 KB	Output is correct
14	Correct	7 ms	7936 KB	Output is correct
15	Correct	7 ms	7936 KB	Output is correct
16	Correct	6 ms	7808 KB	Output is correct
17	Correct	8 ms	8064 KB	Output is correct
18	Correct	6 ms	7936 KB	Output is correct
19	Correct	6 ms	7808 KB	Output is correct
20	Correct	6 ms	7936 KB	Output is correct
21	Correct	6 ms	7808 KB	Output is correct
22	Correct	6 ms	7936 KB	Output is correct
23	Correct	7 ms	7936 KB	Output is correct
24	Correct	7 ms	8064 KB	Output is correct
25	Correct	8 ms	8192 KB	Output is correct
26	Correct	6 ms	7936 KB	Output is correct
27	Correct	6 ms	7936 KB	Output is correct
28	Correct	7 ms	8064 KB	Output is correct
29	Correct	8 ms	8576 KB	Output is correct
30	Correct	6 ms	8064 KB	Output is correct
31	Correct	7 ms	8192 KB	Output is correct
32	Correct	7 ms	8064 KB	Output is correct
33	Correct	11 ms	9340 KB	Output is correct
34	Correct	11 ms	9212 KB	Output is correct
35	Correct	23 ms	9984 KB	Output is correct
36	Correct	8 ms	8192 KB	Output is correct
37	Correct	26 ms	10752 KB	Output is correct
38	Correct	30 ms	11008 KB	Output is correct
39	Correct	31 ms	11000 KB	Output is correct
40	Correct	30 ms	11008 KB	Output is correct
41	Correct	30 ms	11008 KB	Output is correct
42	Correct	11 ms	8092 KB	Output is correct
43	Correct	10 ms	8064 KB	Output is correct
44	Correct	10 ms	8192 KB	Output is correct
45	Correct	34 ms	13688 KB	Output is correct
46	Correct	35 ms	13816 KB	Output is correct
47	Correct	62 ms	18292 KB	Output is correct
48	Correct	24 ms	11516 KB	Output is correct
49	Correct	26 ms	10488 KB	Output is correct
50	Correct	17 ms	10112 KB	Output is correct
51	Correct	52 ms	13452 KB	Output is correct
52	Correct	56 ms	13944 KB	Output is correct
53	Correct	25 ms	11156 KB	Output is correct
54	Correct	7 ms	8320 KB	Output is correct
55	Correct	9 ms	8700 KB	Output is correct
56	Correct	18 ms	10368 KB	Output is correct
57	Correct	49 ms	17020 KB	Output is correct
58	Correct	13 ms	8952 KB	Output is correct
59	Correct	15 ms	9340 KB	Output is correct
60	Correct	17 ms	10108 KB	Output is correct
61	Correct	16 ms	9468 KB	Output is correct
62	Correct	39 ms	14580 KB	Output is correct
63	Correct	83 ms	30832 KB	Output is correct
64	Correct	91 ms	34160 KB	Output is correct
65	Correct	120 ms	43756 KB	Output is correct
66	Correct	242 ms	70752 KB	Output is correct
67	Correct	241 ms	70752 KB	Output is correct

Submission #270671

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 43.0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
43.0 / 43.0