답안 #260787

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
260787	2020-08-11T01:35:58 Z	T0p_	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	702 ms	6004 KB

skyscraper

#include<bits/stdc++.h>
using namespace std;

struct DJK
{
	int node;
	long long weight;
	bool operator < (const DJK & o) const
	{
		return weight > o.weight;		
	}	
};

vector<int> B[30003];
long long dis[30003];
bool visit[30003];
priority_queue<DJK> djk;

int main() 
{
	int n, m, s, e;
	scanf(" %d %d",&n,&m);
	for(int i=1, b, p ; i<=m ; i++)
	{
		scanf(" %d %d",&b,&p);
		b++;
		B[b].push_back(p);
		if(i == 1) s = b;
		if(i == 2) e = b;
	}
	for(int i=1 ; i<=n ; i++)
		dis[i] = 1e15;
	dis[s] = 0;
	djk.push({s, 0});
	while(!djk.empty())
	{
		int nown = djk.top().node;
		long long noww = djk.top().weight;
		djk.pop();
		if(visit[nown]) continue ;
		visit[nown] = true;
		if(nown == e)
		{
			printf("%lld\n",noww);
			return 0;
		}
		for(auto x : B[nown])
		{
			//left
			for(int i=1 ; nown - x*i >= 1 ; i++)
				if(dis[nown - x*i] > dis[nown] + i)
				{
					dis[nown - x*i] = dis[nown]+i;
					djk.push({nown - x*i, dis[nown - x*i]});
				}
			//right
			for(int i=1 ; nown + x*i <= n ; i++)
				if(dis[nown + x*i] > dis[nown] + i)
				{
					dis[nown + x*i] = dis[nown]+i;
					djk.push({nown + x*i, dis[nown + x*i]});
				}
		}
	}
	printf("-1\n");
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf(" %d %d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~~
skyscraper.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %d %d",&b,&p);
   ~~~~~^~~~~~~~~~~~~~~~
skyscraper.cpp:42:3: warning: 'e' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if(nown == e)
   ^~
skyscraper.cpp:34:10: warning: 's' may be used uninitialized in this function [-Wmaybe-uninitialized]
  djk.push({s, 0});
  ~~~~~~~~^~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1024 KB	Output is correct
2	Correct	1 ms	1024 KB	Output is correct
3	Correct	1 ms	1024 KB	Output is correct
4	Correct	1 ms	1024 KB	Output is correct
5	Correct	1 ms	1024 KB	Output is correct
6	Correct	1 ms	1024 KB	Output is correct
7	Correct	1 ms	1024 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1024 KB	Output is correct
2	Correct	1 ms	1024 KB	Output is correct
3	Correct	1 ms	1024 KB	Output is correct
4	Correct	1 ms	1024 KB	Output is correct
5	Correct	1 ms	1024 KB	Output is correct
6	Correct	1 ms	1024 KB	Output is correct
7	Correct	1 ms	1024 KB	Output is correct
8	Correct	1 ms	1024 KB	Output is correct
9	Correct	1 ms	1024 KB	Output is correct
10	Correct	1 ms	1024 KB	Output is correct
11	Correct	2 ms	1024 KB	Output is correct
12	Correct	1 ms	1024 KB	Output is correct
13	Correct	2 ms	1024 KB	Output is correct
14	Correct	2 ms	1024 KB	Output is correct
15	Correct	2 ms	1024 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1024 KB	Output is correct
2	Correct	1 ms	1024 KB	Output is correct
3	Correct	1 ms	1024 KB	Output is correct
4	Correct	1 ms	1024 KB	Output is correct
5	Correct	1 ms	1024 KB	Output is correct
6	Correct	1 ms	1024 KB	Output is correct
7	Correct	1 ms	1024 KB	Output is correct
8	Correct	1 ms	1024 KB	Output is correct
9	Correct	1 ms	1152 KB	Output is correct
10	Correct	1 ms	1024 KB	Output is correct
11	Correct	2 ms	1024 KB	Output is correct
12	Correct	2 ms	1024 KB	Output is correct
13	Correct	2 ms	1024 KB	Output is correct
14	Correct	1 ms	1024 KB	Output is correct
15	Correct	1 ms	1024 KB	Output is correct
16	Correct	2 ms	1024 KB	Output is correct
17	Correct	2 ms	1088 KB	Output is correct
18	Correct	1 ms	1024 KB	Output is correct
19	Correct	1 ms	1024 KB	Output is correct
20	Correct	5 ms	1152 KB	Output is correct
21	Correct	1 ms	1024 KB	Output is correct
22	Correct	1 ms	1024 KB	Output is correct
23	Correct	2 ms	1152 KB	Output is correct
24	Correct	2 ms	1152 KB	Output is correct
25	Correct	2 ms	1152 KB	Output is correct
26	Correct	2 ms	1152 KB	Output is correct
27	Correct	2 ms	1152 KB	Output is correct
28	Correct	2 ms	1152 KB	Output is correct
29	Correct	3 ms	1408 KB	Output is correct
30	Correct	2 ms	1280 KB	Output is correct
31	Correct	2 ms	1280 KB	Output is correct
32	Correct	2 ms	1280 KB	Output is correct
33	Correct	4 ms	1408 KB	Output is correct
34	Correct	3 ms	1408 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1024 KB	Output is correct
2	Correct	1 ms	1024 KB	Output is correct
3	Correct	1 ms	1024 KB	Output is correct
4	Correct	1 ms	1024 KB	Output is correct
5	Correct	1 ms	1024 KB	Output is correct
6	Correct	1 ms	1024 KB	Output is correct
7	Correct	1 ms	1024 KB	Output is correct
8	Correct	1 ms	1024 KB	Output is correct
9	Correct	1 ms	1024 KB	Output is correct
10	Correct	1 ms	1024 KB	Output is correct
11	Correct	2 ms	1024 KB	Output is correct
12	Correct	1 ms	1024 KB	Output is correct
13	Correct	1 ms	1024 KB	Output is correct
14	Correct	2 ms	1024 KB	Output is correct
15	Correct	2 ms	1024 KB	Output is correct
16	Correct	1 ms	1024 KB	Output is correct
17	Correct	2 ms	1152 KB	Output is correct
18	Correct	1 ms	1024 KB	Output is correct
19	Correct	1 ms	1024 KB	Output is correct
20	Correct	5 ms	1152 KB	Output is correct
21	Correct	1 ms	1024 KB	Output is correct
22	Correct	1 ms	1024 KB	Output is correct
23	Correct	2 ms	1152 KB	Output is correct
24	Correct	2 ms	1152 KB	Output is correct
25	Correct	2 ms	1152 KB	Output is correct
26	Correct	2 ms	1152 KB	Output is correct
27	Correct	2 ms	1152 KB	Output is correct
28	Correct	2 ms	1152 KB	Output is correct
29	Correct	3 ms	1408 KB	Output is correct
30	Correct	2 ms	1280 KB	Output is correct
31	Correct	2 ms	1280 KB	Output is correct
32	Correct	2 ms	1280 KB	Output is correct
33	Correct	3 ms	1408 KB	Output is correct
34	Correct	3 ms	1408 KB	Output is correct
35	Correct	12 ms	1536 KB	Output is correct
36	Correct	3 ms	1152 KB	Output is correct
37	Correct	7 ms	1536 KB	Output is correct
38	Correct	11 ms	1792 KB	Output is correct
39	Correct	10 ms	1768 KB	Output is correct
40	Correct	10 ms	1792 KB	Output is correct
41	Correct	11 ms	1792 KB	Output is correct
42	Correct	10 ms	1536 KB	Output is correct
43	Correct	10 ms	1544 KB	Output is correct
44	Correct	53 ms	1544 KB	Output is correct
45	Correct	10 ms	1920 KB	Output is correct
46	Correct	10 ms	1792 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1024 KB	Output is correct
2	Correct	1 ms	1024 KB	Output is correct
3	Correct	1 ms	1024 KB	Output is correct
4	Correct	1 ms	1024 KB	Output is correct
5	Correct	1 ms	1024 KB	Output is correct
6	Correct	1 ms	1024 KB	Output is correct
7	Correct	1 ms	1024 KB	Output is correct
8	Correct	1 ms	1024 KB	Output is correct
9	Correct	1 ms	1024 KB	Output is correct
10	Correct	1 ms	1024 KB	Output is correct
11	Correct	2 ms	1024 KB	Output is correct
12	Correct	1 ms	1024 KB	Output is correct
13	Correct	2 ms	1024 KB	Output is correct
14	Correct	2 ms	1024 KB	Output is correct
15	Correct	1 ms	1024 KB	Output is correct
16	Correct	1 ms	1024 KB	Output is correct
17	Correct	2 ms	1152 KB	Output is correct
18	Correct	1 ms	1080 KB	Output is correct
19	Correct	1 ms	1024 KB	Output is correct
20	Correct	5 ms	1152 KB	Output is correct
21	Correct	1 ms	1024 KB	Output is correct
22	Correct	1 ms	1024 KB	Output is correct
23	Correct	2 ms	1152 KB	Output is correct
24	Correct	2 ms	1152 KB	Output is correct
25	Correct	2 ms	1152 KB	Output is correct
26	Correct	1 ms	1152 KB	Output is correct
27	Correct	2 ms	1152 KB	Output is correct
28	Correct	2 ms	1152 KB	Output is correct
29	Correct	3 ms	1408 KB	Output is correct
30	Correct	2 ms	1280 KB	Output is correct
31	Correct	2 ms	1280 KB	Output is correct
32	Correct	2 ms	1280 KB	Output is correct
33	Correct	3 ms	1408 KB	Output is correct
34	Correct	3 ms	1408 KB	Output is correct
35	Correct	9 ms	1536 KB	Output is correct
36	Correct	3 ms	1152 KB	Output is correct
37	Correct	7 ms	1536 KB	Output is correct
38	Correct	12 ms	1792 KB	Output is correct
39	Correct	11 ms	1664 KB	Output is correct
40	Correct	11 ms	1792 KB	Output is correct
41	Correct	11 ms	1792 KB	Output is correct
42	Correct	7 ms	1536 KB	Output is correct
43	Correct	7 ms	1536 KB	Output is correct
44	Correct	54 ms	1536 KB	Output is correct
45	Correct	13 ms	1792 KB	Output is correct
46	Correct	10 ms	1792 KB	Output is correct
47	Correct	12 ms	2812 KB	Output is correct
48	Correct	10 ms	1920 KB	Output is correct
49	Correct	9 ms	1920 KB	Output is correct
50	Correct	7 ms	1792 KB	Output is correct
51	Correct	27 ms	4472 KB	Output is correct
52	Correct	22 ms	3452 KB	Output is correct
53	Correct	14 ms	2560 KB	Output is correct
54	Correct	3 ms	1664 KB	Output is correct
55	Correct	3 ms	1792 KB	Output is correct
56	Correct	702 ms	3316 KB	Output is correct
57	Correct	5 ms	3572 KB	Output is correct
58	Correct	686 ms	1920 KB	Output is correct
59	Correct	11 ms	2172 KB	Output is correct
60	Correct	10 ms	1920 KB	Output is correct
61	Correct	10 ms	2040 KB	Output is correct
62	Correct	14 ms	2560 KB	Output is correct
63	Correct	31 ms	3960 KB	Output is correct
64	Correct	30 ms	3960 KB	Output is correct
65	Correct	38 ms	6004 KB	Output is correct
66	Correct	52 ms	5872 KB	Output is correct
67	Correct	41 ms	5872 KB	Output is correct

답안 #260787

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