답안 #272741

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
272741	2020-08-18T14:59:01 Z	toonewbie	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	202 ms	8312 KB

skyscraper

#include<stdio.h>
#include<algorithm>
#include<vector>
#include<queue>
using namespace std;
const int MAX_N = 30000, RTN = 200;
int n, m, dist[MAX_N], s, e;
bool ck[MAX_N][RTN], fvis[MAX_N];
struct st{
  int b, p, w;
  st(int _b, int _p, int _w)
    :b(_b), p(_p), w(_w){}
};
vector<int> adj[MAX_N];
queue<st> q;
int main(){
  scanf("%d %d", &n, &m);
  for (int i = 0; i < m; i++){
    int a, b;
    scanf("%d %d", &a, &b);
    adj[a].push_back(b);
    if (i == 0) s = a;
    if (i == 1) e = a;
  }
  dist[e] = -1;
  q.push(st(s, 0, 0));
  while (!q.empty()){
    st h = q.front();
    q.pop();
    if (h.b < 0 || h.b >= n) continue;
    if (abs(h.p) < RTN){
      if (ck[h.b][abs(h.p)]) continue;
      ck[h.b][abs(h.p)] = true;
    }
    if (!fvis[h.b]){
      fvis[h.b] = true;
      dist[h.b] = h.w;
      for (auto t : adj[h.b]){
        q.push(st(h.b + t, t, h.w + 1));
        q.push(st(h.b - t, -t, h.w + 1));
      }
    }
    q.push(st(h.b + h.p, h.p, h.w + 1));
  }
  printf("%d", dist[e]);
  return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |   scanf("%d %d", &n, &m);
      |   ~~~~~^~~~~~~~~~~~~~~~~
skyscraper.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   20 |     scanf("%d %d", &a, &b);
      |     ~~~~~^~~~~~~~~~~~~~~~~

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	1060 KB	Output is correct
3	Correct	1 ms	1056 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	1 ms	1152 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	1 ms	1152 KB	Output is correct
14	Correct	2 ms	1152 KB	Output is correct
15	Correct	2 ms	1152 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	1024 KB	Output is correct
10	Correct	1 ms	1024 KB	Output is correct
11	Correct	2 ms	1152 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	1 ms	1152 KB	Output is correct
14	Correct	2 ms	1152 KB	Output is correct
15	Correct	2 ms	1152 KB	Output is correct
16	Correct	1 ms	1024 KB	Output is correct
17	Correct	2 ms	1280 KB	Output is correct
18	Correct	1 ms	1024 KB	Output is correct
19	Correct	1 ms	1024 KB	Output is correct
20	Correct	2 ms	1536 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	1408 KB	Output is correct
24	Correct	3 ms	1408 KB	Output is correct
25	Correct	2 ms	1536 KB	Output is correct
26	Correct	2 ms	1536 KB	Output is correct
27	Correct	2 ms	1536 KB	Output is correct
28	Correct	2 ms	1536 KB	Output is correct
29	Correct	2 ms	1408 KB	Output is correct
30	Correct	2 ms	1408 KB	Output is correct
31	Correct	2 ms	1408 KB	Output is correct
32	Correct	2 ms	1408 KB	Output is correct
33	Correct	4 ms	1536 KB	Output is correct
34	Correct	4 ms	1460 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	1152 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	1152 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	1 ms	1152 KB	Output is correct
14	Correct	2 ms	1152 KB	Output is correct
15	Correct	1 ms	1152 KB	Output is correct
16	Correct	1 ms	1024 KB	Output is correct
17	Correct	2 ms	1280 KB	Output is correct
18	Correct	2 ms	1024 KB	Output is correct
19	Correct	1 ms	1024 KB	Output is correct
20	Correct	2 ms	1536 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	1408 KB	Output is correct
24	Correct	3 ms	1408 KB	Output is correct
25	Correct	2 ms	1536 KB	Output is correct
26	Correct	3 ms	1536 KB	Output is correct
27	Correct	2 ms	1536 KB	Output is correct
28	Correct	4 ms	1536 KB	Output is correct
29	Correct	2 ms	1408 KB	Output is correct
30	Correct	2 ms	1408 KB	Output is correct
31	Correct	2 ms	1408 KB	Output is correct
32	Correct	2 ms	1408 KB	Output is correct
33	Correct	4 ms	1536 KB	Output is correct
34	Correct	4 ms	1536 KB	Output is correct
35	Correct	12 ms	2280 KB	Output is correct
36	Correct	3 ms	1408 KB	Output is correct
37	Correct	11 ms	2176 KB	Output is correct
38	Correct	14 ms	2560 KB	Output is correct
39	Correct	14 ms	2560 KB	Output is correct
40	Correct	14 ms	2560 KB	Output is correct
41	Correct	14 ms	2560 KB	Output is correct
42	Correct	8 ms	2432 KB	Output is correct
43	Correct	8 ms	2432 KB	Output is correct
44	Correct	8 ms	2432 KB	Output is correct
45	Correct	17 ms	2424 KB	Output is correct
46	Correct	17 ms	2424 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	1 ms	1152 KB	Output is correct
12	Correct	1 ms	1152 KB	Output is correct
13	Correct	2 ms	1152 KB	Output is correct
14	Correct	2 ms	1152 KB	Output is correct
15	Correct	1 ms	1152 KB	Output is correct
16	Correct	1 ms	1024 KB	Output is correct
17	Correct	3 ms	1280 KB	Output is correct
18	Correct	1 ms	1024 KB	Output is correct
19	Correct	1 ms	1024 KB	Output is correct
20	Correct	2 ms	1536 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	1408 KB	Output is correct
24	Correct	2 ms	1408 KB	Output is correct
25	Correct	2 ms	1536 KB	Output is correct
26	Correct	2 ms	1536 KB	Output is correct
27	Correct	2 ms	1536 KB	Output is correct
28	Correct	2 ms	1536 KB	Output is correct
29	Correct	2 ms	1408 KB	Output is correct
30	Correct	2 ms	1408 KB	Output is correct
31	Correct	2 ms	1408 KB	Output is correct
32	Correct	2 ms	1408 KB	Output is correct
33	Correct	3 ms	1536 KB	Output is correct
34	Correct	4 ms	1536 KB	Output is correct
35	Correct	11 ms	2176 KB	Output is correct
36	Correct	3 ms	1408 KB	Output is correct
37	Correct	10 ms	2176 KB	Output is correct
38	Correct	14 ms	2620 KB	Output is correct
39	Correct	17 ms	2560 KB	Output is correct
40	Correct	14 ms	2560 KB	Output is correct
41	Correct	15 ms	2560 KB	Output is correct
42	Correct	9 ms	2432 KB	Output is correct
43	Correct	10 ms	2432 KB	Output is correct
44	Correct	9 ms	2432 KB	Output is correct
45	Correct	18 ms	2424 KB	Output is correct
46	Correct	23 ms	2416 KB	Output is correct
47	Correct	26 ms	4608 KB	Output is correct
48	Correct	12 ms	1792 KB	Output is correct
49	Correct	9 ms	1664 KB	Output is correct
50	Correct	7 ms	1536 KB	Output is correct
51	Correct	29 ms	8064 KB	Output is correct
52	Correct	30 ms	8056 KB	Output is correct
53	Correct	20 ms	7936 KB	Output is correct
54	Correct	5 ms	7040 KB	Output is correct
55	Correct	6 ms	7040 KB	Output is correct
56	Correct	17 ms	8168 KB	Output is correct
57	Correct	19 ms	7288 KB	Output is correct
58	Correct	13 ms	7936 KB	Output is correct
59	Correct	18 ms	8064 KB	Output is correct
60	Correct	19 ms	8064 KB	Output is correct
61	Correct	16 ms	8064 KB	Output is correct
62	Correct	33 ms	8312 KB	Output is correct
63	Correct	43 ms	7672 KB	Output is correct
64	Correct	55 ms	7632 KB	Output is correct
65	Correct	120 ms	7796 KB	Output is correct
66	Correct	202 ms	7984 KB	Output is correct
67	Correct	165 ms	8036 KB	Output is correct

답안 #272741

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