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
#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);
      |     ~~~~~^~~~~~~~~~~~~~~~~
# 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
# 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
# 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
# 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
# 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