답안 #66658 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
66658	2018-08-12T00:56:53 Z	tincamatei	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	201 ms	112820 KB

skyscraper

#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 30000;

bitset<MAX_N> doges[MAX_N];
vector<int> scrapers[MAX_N];

int dist[MAX_N];
int doggoB[MAX_N], doggoP[MAX_N];

int dijkstra(int n, int src, int dest) {
  priority_queue<pair<int, int>, vector<pair<int, int> >, greater<pair<int, int> > > pq;
  memset(dist, 0x3f3f3f3f, sizeof(dist));
  dist[src] = 0;
  pq.push(make_pair(0, src));
  while(!pq.empty()) {
    int nod = pq.top().second, distNod = pq.top().first;
    pq.pop();

    if(distNod == dist[nod]) {
      if(nod == dest)
        return distNod;

      for(auto dog: scrapers[nod]) {
        int it = nod - dog, cost = 1;
        while(it >= 0) {
          if(dist[nod] + cost < dist[it]) {
            dist[it] = dist[nod] + cost;
            pq.push(make_pair(dist[it], it));
          }
          if(doges[it][dog])
            break;

          it -= dog;
          ++cost;
        }
        it = nod + dog, cost = 1;
        while(it < n) {
          if(dist[nod] + cost < dist[it]) {
            dist[it] = dist[nod] + cost;
            pq.push(make_pair(dist[it], it));
          }
          if(doges[it][dog])
            break;
          it += dog;
          ++cost;
        }
      }
    }
  }

  return -1;
}

int main() {
  int n, m, b, p;
  scanf("%d%d", &n, &m);

  for(int i = 0; i < m; ++i) {
    scanf("%d%d", &b, &p);
    doggoB[i] = b;
    doggoP[i] = p;
    if(!doges[b][p]) {
      scrapers[b].push_back(p);
      doges[b][p] = true;
    }
  }

  printf("%d", dijkstra(n, doggoB[0], doggoB[1]));
  return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:59:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &n, &m);
   ~~~~~^~~~~~~~~~~~~~~~
skyscraper.cpp:62:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &b, &p);
     ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1144 KB	Output is correct
2	Correct	2 ms	1144 KB	Output is correct
3	Correct	3 ms	1196 KB	Output is correct
4	Correct	3 ms	1196 KB	Output is correct
5	Correct	3 ms	1228 KB	Output is correct
6	Correct	3 ms	1276 KB	Output is correct
7	Correct	4 ms	1284 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1284 KB	Output is correct
2	Correct	4 ms	1284 KB	Output is correct
3	Correct	3 ms	1308 KB	Output is correct
4	Correct	3 ms	1312 KB	Output is correct
5	Correct	3 ms	1444 KB	Output is correct
6	Correct	3 ms	1444 KB	Output is correct
7	Correct	3 ms	1444 KB	Output is correct
8	Correct	4 ms	1444 KB	Output is correct
9	Correct	4 ms	1516 KB	Output is correct
10	Correct	4 ms	1720 KB	Output is correct
11	Correct	4 ms	1772 KB	Output is correct
12	Correct	4 ms	1772 KB	Output is correct
13	Correct	4 ms	1800 KB	Output is correct
14	Correct	4 ms	1800 KB	Output is correct
15	Correct	4 ms	1800 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1800 KB	Output is correct
2	Correct	2 ms	1800 KB	Output is correct
3	Correct	4 ms	1800 KB	Output is correct
4	Correct	3 ms	1800 KB	Output is correct
5	Correct	3 ms	1800 KB	Output is correct
6	Correct	2 ms	1800 KB	Output is correct
7	Correct	3 ms	1800 KB	Output is correct
8	Correct	3 ms	1800 KB	Output is correct
9	Correct	3 ms	1800 KB	Output is correct
10	Correct	3 ms	1800 KB	Output is correct
11	Correct	4 ms	1800 KB	Output is correct
12	Correct	4 ms	1800 KB	Output is correct
13	Correct	5 ms	1800 KB	Output is correct
14	Correct	4 ms	1800 KB	Output is correct
15	Correct	3 ms	1800 KB	Output is correct
16	Correct	4 ms	2172 KB	Output is correct
17	Correct	8 ms	3984 KB	Output is correct
18	Correct	6 ms	4416 KB	Output is correct
19	Correct	5 ms	4416 KB	Output is correct
20	Correct	13 ms	8828 KB	Output is correct
21	Correct	5 ms	8828 KB	Output is correct
22	Correct	8 ms	8828 KB	Output is correct
23	Correct	9 ms	8828 KB	Output is correct
24	Correct	12 ms	8828 KB	Output is correct
25	Correct	10 ms	8828 KB	Output is correct
26	Correct	5 ms	8828 KB	Output is correct
27	Correct	6 ms	8828 KB	Output is correct
28	Correct	12 ms	8828 KB	Output is correct
29	Correct	6 ms	8828 KB	Output is correct
30	Correct	5 ms	8828 KB	Output is correct
31	Correct	6 ms	8828 KB	Output is correct
32	Correct	5 ms	8828 KB	Output is correct
33	Correct	7 ms	8828 KB	Output is correct
34	Correct	8 ms	8828 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	8828 KB	Output is correct
2	Correct	4 ms	8828 KB	Output is correct
3	Correct	4 ms	8828 KB	Output is correct
4	Correct	3 ms	8828 KB	Output is correct
5	Correct	3 ms	8828 KB	Output is correct
6	Correct	4 ms	8828 KB	Output is correct
7	Correct	4 ms	8828 KB	Output is correct
8	Correct	4 ms	8828 KB	Output is correct
9	Correct	4 ms	8828 KB	Output is correct
10	Correct	3 ms	8828 KB	Output is correct
11	Correct	5 ms	8828 KB	Output is correct
12	Correct	4 ms	8828 KB	Output is correct
13	Correct	4 ms	8828 KB	Output is correct
14	Correct	4 ms	8828 KB	Output is correct
15	Correct	4 ms	8828 KB	Output is correct
16	Correct	6 ms	8828 KB	Output is correct
17	Correct	8 ms	8828 KB	Output is correct
18	Correct	7 ms	8828 KB	Output is correct
19	Correct	5 ms	8828 KB	Output is correct
20	Correct	12 ms	8828 KB	Output is correct
21	Correct	6 ms	8828 KB	Output is correct
22	Correct	6 ms	8828 KB	Output is correct
23	Correct	10 ms	8828 KB	Output is correct
24	Correct	11 ms	8828 KB	Output is correct
25	Correct	11 ms	8828 KB	Output is correct
26	Correct	7 ms	8828 KB	Output is correct
27	Correct	5 ms	8828 KB	Output is correct
28	Correct	13 ms	8828 KB	Output is correct
29	Correct	8 ms	8828 KB	Output is correct
30	Correct	6 ms	8828 KB	Output is correct
31	Correct	7 ms	8828 KB	Output is correct
32	Correct	7 ms	8828 KB	Output is correct
33	Correct	9 ms	8828 KB	Output is correct
34	Correct	8 ms	8828 KB	Output is correct
35	Correct	20 ms	8828 KB	Output is correct
36	Correct	10 ms	8828 KB	Output is correct
37	Correct	20 ms	8956 KB	Output is correct
38	Correct	26 ms	9340 KB	Output is correct
39	Correct	22 ms	9340 KB	Output is correct
40	Correct	23 ms	9340 KB	Output is correct
41	Correct	29 ms	9340 KB	Output is correct
42	Correct	12 ms	9340 KB	Output is correct
43	Correct	17 ms	9340 KB	Output is correct
44	Correct	17 ms	9340 KB	Output is correct
45	Correct	16 ms	9340 KB	Output is correct
46	Correct	15 ms	9340 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	9340 KB	Output is correct
2	Correct	3 ms	9340 KB	Output is correct
3	Correct	3 ms	9340 KB	Output is correct
4	Correct	4 ms	9340 KB	Output is correct
5	Correct	3 ms	9340 KB	Output is correct
6	Correct	3 ms	9340 KB	Output is correct
7	Correct	3 ms	9340 KB	Output is correct
8	Correct	3 ms	9340 KB	Output is correct
9	Correct	4 ms	9340 KB	Output is correct
10	Correct	4 ms	9340 KB	Output is correct
11	Correct	5 ms	9340 KB	Output is correct
12	Correct	4 ms	9340 KB	Output is correct
13	Correct	4 ms	9340 KB	Output is correct
14	Correct	4 ms	9340 KB	Output is correct
15	Correct	5 ms	9340 KB	Output is correct
16	Correct	5 ms	9340 KB	Output is correct
17	Correct	9 ms	9340 KB	Output is correct
18	Correct	7 ms	9340 KB	Output is correct
19	Correct	5 ms	9340 KB	Output is correct
20	Correct	11 ms	9340 KB	Output is correct
21	Correct	5 ms	9340 KB	Output is correct
22	Correct	6 ms	9340 KB	Output is correct
23	Correct	8 ms	9340 KB	Output is correct
24	Correct	11 ms	9340 KB	Output is correct
25	Correct	9 ms	9340 KB	Output is correct
26	Correct	5 ms	9340 KB	Output is correct
27	Correct	6 ms	9340 KB	Output is correct
28	Correct	15 ms	9340 KB	Output is correct
29	Correct	8 ms	9340 KB	Output is correct
30	Correct	7 ms	9340 KB	Output is correct
31	Correct	8 ms	9340 KB	Output is correct
32	Correct	5 ms	9340 KB	Output is correct
33	Correct	9 ms	9340 KB	Output is correct
34	Correct	7 ms	9340 KB	Output is correct
35	Correct	19 ms	9340 KB	Output is correct
36	Correct	9 ms	9340 KB	Output is correct
37	Correct	24 ms	9340 KB	Output is correct
38	Correct	22 ms	9340 KB	Output is correct
39	Correct	22 ms	9340 KB	Output is correct
40	Correct	21 ms	9340 KB	Output is correct
41	Correct	22 ms	9340 KB	Output is correct
42	Correct	11 ms	9340 KB	Output is correct
43	Correct	11 ms	9340 KB	Output is correct
44	Correct	16 ms	9340 KB	Output is correct
45	Correct	15 ms	9340 KB	Output is correct
46	Correct	16 ms	9340 KB	Output is correct
47	Correct	69 ms	42364 KB	Output is correct
48	Correct	75 ms	57724 KB	Output is correct
49	Correct	79 ms	57724 KB	Output is correct
50	Correct	61 ms	57724 KB	Output is correct
51	Correct	143 ms	75736 KB	Output is correct
52	Correct	139 ms	76180 KB	Output is correct
53	Correct	103 ms	76180 KB	Output is correct
54	Correct	21 ms	76180 KB	Output is correct
55	Correct	26 ms	76180 KB	Output is correct
56	Correct	152 ms	112820 KB	Output is correct
57	Correct	27 ms	112820 KB	Output is correct
58	Correct	39 ms	112820 KB	Output is correct
59	Correct	46 ms	112820 KB	Output is correct
60	Correct	46 ms	112820 KB	Output is correct
61	Correct	38 ms	112820 KB	Output is correct
62	Correct	159 ms	112820 KB	Output is correct
63	Correct	97 ms	112820 KB	Output is correct
64	Correct	114 ms	112820 KB	Output is correct
65	Correct	134 ms	112820 KB	Output is correct
66	Correct	201 ms	112820 KB	Output is correct
67	Correct	179 ms	112820 KB	Output is correct

답안 #66658

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