답안 #335258

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
335258	2020-12-11T17:38:14 Z	hivakarami	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	899 ms	3808 KB

skyscraper

#include<bits/stdc++.h>
 
using namespace std;
 
typedef long long int ll;
typedef long double doublel;
#define f first
#define s second
 
const int N = 3e4 + 100;
const ll mod = 1e9 + 9;	
const int inf = 1e8;	

int dis[N];
vector<int> adj[N];
priority_queue<pair<int, int>> q;

int main()
{
    ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);	

	int n, m, z, y;
	scanf("%d %d", &n, &m);
	
	for(int i = 0; i < m; i++)
	{
		int p, b;
		scanf("%d %d", &b, &p);
		adj[b].push_back(p);
		
		if(i == 0)
			z = b;
		else if(i == 1)
			y = b;
	}
	
	for(int i = 0; i < n; i++)	
		dis[i] = inf;
	dis[z] = 0;
	
	q.push({0, z});	
	
	while(!q.empty())
	{	
		int x = q.top().s;
		q.pop();
		
		for(auto p : adj[x])
		{
			int c = 1;
			for(int i = x+p; i < n; i += p)
			{
				if(dis[i] > dis[x] + c)
				{
					dis[i] = dis[x] + c;
					if(y != i) q.push({-dis[i], i});
				}
				
				c++;
			}
			c = 1;	
			for(int i = x-p; i >= 0; i -= p)
			{
				if(dis[i] > dis[x] + c)
				{
					dis[i] = dis[x] + c;
					if(y != i) q.push({-dis[i], i});
				}
				
				c++;
			}
		}
		
	}
	
	
	if(dis[y] >= inf)
		dis[y] = -1;
	printf("%d \n", dis[y]);	
	
	
	

    return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:23:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   23 |  scanf("%d %d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~~
skyscraper.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   28 |   scanf("%d %d", &b, &p);
      |   ~~~~~^~~~~~~~~~~~~~~~~
skyscraper.cpp:22:12: warning: 'z' may be used uninitialized in this function [-Wmaybe-uninitialized]
   22 |  int n, m, z, y;
      |            ^
skyscraper.cpp:79:8: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
   79 |  printf("%d \n", dis[y]);
      |  ~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1004 KB	Output is correct
4	Correct	1 ms	1004 KB	Output is correct
5	Correct	1 ms	1004 KB	Output is correct
6	Correct	1 ms	1004 KB	Output is correct
7	Correct	1 ms	1004 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1004 KB	Output is correct
4	Correct	1 ms	1004 KB	Output is correct
5	Correct	1 ms	1004 KB	Output is correct
6	Correct	1 ms	1004 KB	Output is correct
7	Correct	1 ms	1004 KB	Output is correct
8	Correct	1 ms	1004 KB	Output is correct
9	Correct	1 ms	1004 KB	Output is correct
10	Correct	1 ms	1004 KB	Output is correct
11	Correct	2 ms	1132 KB	Output is correct
12	Correct	1 ms	1132 KB	Output is correct
13	Correct	2 ms	1132 KB	Output is correct
14	Correct	1 ms	1132 KB	Output is correct
15	Correct	1 ms	1132 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1004 KB	Output is correct
4	Correct	1 ms	1004 KB	Output is correct
5	Correct	1 ms	1004 KB	Output is correct
6	Correct	1 ms	1004 KB	Output is correct
7	Correct	1 ms	1004 KB	Output is correct
8	Correct	1 ms	1004 KB	Output is correct
9	Correct	1 ms	1024 KB	Output is correct
10	Correct	1 ms	1004 KB	Output is correct
11	Correct	2 ms	1132 KB	Output is correct
12	Correct	2 ms	1132 KB	Output is correct
13	Correct	2 ms	1132 KB	Output is correct
14	Correct	2 ms	1132 KB	Output is correct
15	Correct	2 ms	1132 KB	Output is correct
16	Correct	1 ms	1004 KB	Output is correct
17	Correct	2 ms	1132 KB	Output is correct
18	Correct	1 ms	1132 KB	Output is correct
19	Correct	1 ms	1132 KB	Output is correct
20	Correct	6 ms	1132 KB	Output is correct
21	Correct	1 ms	1132 KB	Output is correct
22	Correct	1 ms	1132 KB	Output is correct
23	Correct	2 ms	1132 KB	Output is correct
24	Correct	3 ms	1132 KB	Output is correct
25	Correct	2 ms	1132 KB	Output is correct
26	Correct	1 ms	1132 KB	Output is correct
27	Correct	2 ms	1132 KB	Output is correct
28	Correct	2 ms	1132 KB	Output is correct
29	Correct	2 ms	1132 KB	Output is correct
30	Correct	2 ms	1132 KB	Output is correct
31	Correct	2 ms	1132 KB	Output is correct
32	Correct	2 ms	1132 KB	Output is correct
33	Correct	3 ms	1260 KB	Output is correct
34	Correct	3 ms	1260 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1004 KB	Output is correct
4	Correct	2 ms	1004 KB	Output is correct
5	Correct	1 ms	1004 KB	Output is correct
6	Correct	1 ms	1004 KB	Output is correct
7	Correct	1 ms	1004 KB	Output is correct
8	Correct	1 ms	1004 KB	Output is correct
9	Correct	1 ms	1004 KB	Output is correct
10	Correct	1 ms	1004 KB	Output is correct
11	Correct	2 ms	1132 KB	Output is correct
12	Correct	1 ms	1132 KB	Output is correct
13	Correct	2 ms	1132 KB	Output is correct
14	Correct	2 ms	1132 KB	Output is correct
15	Correct	1 ms	1132 KB	Output is correct
16	Correct	1 ms	1004 KB	Output is correct
17	Correct	2 ms	1132 KB	Output is correct
18	Correct	1 ms	1132 KB	Output is correct
19	Correct	1 ms	1132 KB	Output is correct
20	Correct	6 ms	1132 KB	Output is correct
21	Correct	1 ms	1132 KB	Output is correct
22	Correct	1 ms	1132 KB	Output is correct
23	Correct	2 ms	1132 KB	Output is correct
24	Correct	2 ms	1132 KB	Output is correct
25	Correct	2 ms	1132 KB	Output is correct
26	Correct	2 ms	1132 KB	Output is correct
27	Correct	2 ms	1132 KB	Output is correct
28	Correct	2 ms	1132 KB	Output is correct
29	Correct	2 ms	1132 KB	Output is correct
30	Correct	2 ms	1132 KB	Output is correct
31	Correct	2 ms	1132 KB	Output is correct
32	Correct	2 ms	1132 KB	Output is correct
33	Correct	3 ms	1260 KB	Output is correct
34	Correct	3 ms	1260 KB	Output is correct
35	Correct	9 ms	1516 KB	Output is correct
36	Correct	3 ms	1132 KB	Output is correct
37	Correct	9 ms	1516 KB	Output is correct
38	Correct	12 ms	1644 KB	Output is correct
39	Correct	12 ms	1644 KB	Output is correct
40	Correct	12 ms	1644 KB	Output is correct
41	Correct	12 ms	1644 KB	Output is correct
42	Correct	8 ms	1644 KB	Output is correct
43	Correct	7 ms	1516 KB	Output is correct
44	Correct	64 ms	1516 KB	Output is correct
45	Correct	11 ms	1644 KB	Output is correct
46	Correct	11 ms	1644 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1004 KB	Output is correct
4	Correct	1 ms	1004 KB	Output is correct
5	Correct	1 ms	1004 KB	Output is correct
6	Correct	1 ms	1024 KB	Output is correct
7	Correct	1 ms	1004 KB	Output is correct
8	Correct	1 ms	1004 KB	Output is correct
9	Correct	1 ms	1004 KB	Output is correct
10	Correct	1 ms	1004 KB	Output is correct
11	Correct	2 ms	1132 KB	Output is correct
12	Correct	1 ms	1132 KB	Output is correct
13	Correct	2 ms	1132 KB	Output is correct
14	Correct	2 ms	1132 KB	Output is correct
15	Correct	1 ms	1132 KB	Output is correct
16	Correct	2 ms	1004 KB	Output is correct
17	Correct	2 ms	1132 KB	Output is correct
18	Correct	1 ms	1132 KB	Output is correct
19	Correct	1 ms	1132 KB	Output is correct
20	Correct	6 ms	1132 KB	Output is correct
21	Correct	1 ms	1132 KB	Output is correct
22	Correct	1 ms	1132 KB	Output is correct
23	Correct	2 ms	1132 KB	Output is correct
24	Correct	2 ms	1132 KB	Output is correct
25	Correct	2 ms	1132 KB	Output is correct
26	Correct	2 ms	1132 KB	Output is correct
27	Correct	1 ms	1132 KB	Output is correct
28	Correct	2 ms	1132 KB	Output is correct
29	Correct	2 ms	1132 KB	Output is correct
30	Correct	2 ms	1132 KB	Output is correct
31	Correct	2 ms	1132 KB	Output is correct
32	Correct	35 ms	1132 KB	Output is correct
33	Correct	3 ms	1260 KB	Output is correct
34	Correct	3 ms	1260 KB	Output is correct
35	Correct	42 ms	1516 KB	Output is correct
36	Correct	3 ms	1132 KB	Output is correct
37	Correct	42 ms	1516 KB	Output is correct
38	Correct	12 ms	1644 KB	Output is correct
39	Correct	12 ms	1644 KB	Output is correct
40	Correct	12 ms	1644 KB	Output is correct
41	Correct	12 ms	1644 KB	Output is correct
42	Correct	7 ms	1516 KB	Output is correct
43	Correct	7 ms	1516 KB	Output is correct
44	Correct	66 ms	1516 KB	Output is correct
45	Correct	11 ms	1644 KB	Output is correct
46	Correct	11 ms	1644 KB	Output is correct
47	Correct	26 ms	2280 KB	Output is correct
48	Correct	8 ms	1772 KB	Output is correct
49	Correct	8 ms	1900 KB	Output is correct
50	Correct	6 ms	1644 KB	Output is correct
51	Correct	36 ms	3300 KB	Output is correct
52	Correct	32 ms	2792 KB	Output is correct
53	Correct	13 ms	2284 KB	Output is correct
54	Correct	2 ms	1388 KB	Output is correct
55	Correct	3 ms	1388 KB	Output is correct
56	Correct	867 ms	2672 KB	Output is correct
57	Correct	90 ms	3424 KB	Output is correct
58	Correct	899 ms	1644 KB	Output is correct
59	Correct	9 ms	1772 KB	Output is correct
60	Correct	9 ms	1772 KB	Output is correct
61	Correct	9 ms	1772 KB	Output is correct
62	Correct	13 ms	2412 KB	Output is correct
63	Correct	28 ms	2792 KB	Output is correct
64	Correct	29 ms	2788 KB	Output is correct
65	Correct	34 ms	2792 KB	Output is correct
66	Correct	59 ms	3808 KB	Output is correct
67	Correct	59 ms	3808 KB	Output is correct

답안 #335258

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