답안 #169593

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
169593	2019-12-21T09:32:21 Z	Milki	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	264 ms	64756 KB

skyscraper

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

#define FOR(i, a, b) for(int i = a; i < b; ++i)
#define REP(i, n) FOR(i, 0, n)
#define _ << " " <<
#define sz(x) ((int) x.size())
#define pb(x) push_back(x)
#define TRACE(x) cerr << #x << " = " << x << endl

typedef long long ll;
typedef pair<int, int> point;

const int mod = 1e9 + 7;

int add(int x, int y) {x += y; if(x >= mod) return x - mod; return x;}
int sub(int x, int y) {x -= y; if(x < 0) return x + mod; return x;}
int mul(int x, int y) {return (ll) x * y % mod;}

const int MAXN = 3e4 + 5;

int n, m, dist[MAXN], start[MAXN];
set<int> S[MAXN];
vector <point> E[MAXN];

void update(int pos, int range){
  int cnt = 1;
  for(int i = pos + range; i < n; i += range){
    E[pos].pb(point(i, cnt));
    cnt ++;

    if(S[i].find(range) != S[i].end()) break;
  }

  cnt = 1;
  for(int i = pos - range; i >= 0; i -= range){
    E[pos].pb(point(i, cnt));
    cnt ++;

    if(S[i].find(range) != S[i].end()) break;
  }
}

const int inf = 1e9;

int dijkstra(){
  priority_queue <point> Q;
  Q.push(point(0, start[0]));
  vector <int> d(MAXN, inf);
  d[start[0]] = 0;

  while(!Q.empty()){
    auto tmp = Q.top(); Q.pop();
    int distance = -tmp.first;
    int cvor = tmp.second;
    d[cvor] = distance;

    if(cvor == start[1]) break;

    for(auto e : E[cvor]){
      int ncvor = e.first;
      int ndist = distance + e.second;
      if(ndist < d[ncvor]){
        d[ncvor] = ndist;
        Q.push(point(-ndist, ncvor));
      }
    }
  }
  if(d[start[1]] == inf) return -1;
  else return d[start[1]];
}

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

  cin >> n >> m;
  REP(i, m)
    cin >> start[i] >> dist[i];
  REP(i, m)
    if(start[i] != start[1])
      S[start[i]].insert(dist[i]);

  REP(i, n){
    if(i == start[1]) continue;
    for(auto it : S[i])
      update(i, it);
  }
  cout << dijkstra();
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2552 KB	Output is correct
2	Correct	4 ms	2552 KB	Output is correct
3	Correct	4 ms	2556 KB	Output is correct
4	Correct	4 ms	2552 KB	Output is correct
5	Correct	4 ms	2552 KB	Output is correct
6	Correct	4 ms	2552 KB	Output is correct
7	Correct	4 ms	2552 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2556 KB	Output is correct
2	Correct	4 ms	2552 KB	Output is correct
3	Correct	4 ms	2552 KB	Output is correct
4	Correct	4 ms	2552 KB	Output is correct
5	Correct	4 ms	2552 KB	Output is correct
6	Correct	4 ms	2552 KB	Output is correct
7	Correct	4 ms	2552 KB	Output is correct
8	Correct	4 ms	2552 KB	Output is correct
9	Correct	4 ms	2552 KB	Output is correct
10	Correct	4 ms	2552 KB	Output is correct
11	Correct	5 ms	2680 KB	Output is correct
12	Correct	4 ms	2552 KB	Output is correct
13	Correct	4 ms	2680 KB	Output is correct
14	Correct	5 ms	2808 KB	Output is correct
15	Correct	5 ms	2808 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2552 KB	Output is correct
2	Correct	4 ms	2552 KB	Output is correct
3	Correct	4 ms	2552 KB	Output is correct
4	Correct	4 ms	2552 KB	Output is correct
5	Correct	4 ms	2552 KB	Output is correct
6	Correct	4 ms	2552 KB	Output is correct
7	Correct	4 ms	2552 KB	Output is correct
8	Correct	4 ms	2552 KB	Output is correct
9	Correct	4 ms	2552 KB	Output is correct
10	Correct	7 ms	2552 KB	Output is correct
11	Correct	5 ms	2680 KB	Output is correct
12	Correct	4 ms	2680 KB	Output is correct
13	Correct	4 ms	2552 KB	Output is correct
14	Correct	4 ms	2680 KB	Output is correct
15	Correct	6 ms	2808 KB	Output is correct
16	Correct	5 ms	2680 KB	Output is correct
17	Correct	5 ms	2808 KB	Output is correct
18	Correct	5 ms	2680 KB	Output is correct
19	Correct	4 ms	2680 KB	Output is correct
20	Correct	5 ms	2808 KB	Output is correct
21	Correct	4 ms	2684 KB	Output is correct
22	Correct	4 ms	2680 KB	Output is correct
23	Correct	5 ms	2680 KB	Output is correct
24	Correct	5 ms	2936 KB	Output is correct
25	Correct	5 ms	2804 KB	Output is correct
26	Correct	5 ms	2808 KB	Output is correct
27	Correct	5 ms	2684 KB	Output is correct
28	Correct	5 ms	2936 KB	Output is correct
29	Correct	7 ms	3448 KB	Output is correct
30	Correct	5 ms	2936 KB	Output is correct
31	Correct	6 ms	3064 KB	Output is correct
32	Correct	5 ms	2936 KB	Output is correct
33	Correct	9 ms	3956 KB	Output is correct
34	Correct	8 ms	3956 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2552 KB	Output is correct
2	Correct	4 ms	2552 KB	Output is correct
3	Correct	4 ms	2552 KB	Output is correct
4	Correct	4 ms	2552 KB	Output is correct
5	Correct	4 ms	2552 KB	Output is correct
6	Correct	4 ms	2552 KB	Output is correct
7	Correct	4 ms	2552 KB	Output is correct
8	Correct	4 ms	2628 KB	Output is correct
9	Correct	4 ms	2552 KB	Output is correct
10	Correct	4 ms	2680 KB	Output is correct
11	Correct	5 ms	2760 KB	Output is correct
12	Correct	4 ms	2552 KB	Output is correct
13	Correct	4 ms	2680 KB	Output is correct
14	Correct	5 ms	2808 KB	Output is correct
15	Correct	5 ms	2808 KB	Output is correct
16	Correct	5 ms	2680 KB	Output is correct
17	Correct	5 ms	2936 KB	Output is correct
18	Correct	5 ms	2680 KB	Output is correct
19	Correct	4 ms	2680 KB	Output is correct
20	Correct	5 ms	2680 KB	Output is correct
21	Correct	4 ms	2680 KB	Output is correct
22	Correct	4 ms	2680 KB	Output is correct
23	Correct	5 ms	2680 KB	Output is correct
24	Correct	6 ms	2936 KB	Output is correct
25	Correct	5 ms	2812 KB	Output is correct
26	Correct	5 ms	2680 KB	Output is correct
27	Correct	5 ms	2680 KB	Output is correct
28	Correct	5 ms	2936 KB	Output is correct
29	Correct	7 ms	3576 KB	Output is correct
30	Correct	5 ms	2936 KB	Output is correct
31	Correct	6 ms	3064 KB	Output is correct
32	Correct	5 ms	2936 KB	Output is correct
33	Correct	9 ms	3956 KB	Output is correct
34	Correct	7 ms	3956 KB	Output is correct
35	Correct	24 ms	5240 KB	Output is correct
36	Correct	7 ms	3192 KB	Output is correct
37	Correct	29 ms	5840 KB	Output is correct
38	Correct	32 ms	6264 KB	Output is correct
39	Correct	33 ms	6136 KB	Output is correct
40	Correct	31 ms	6312 KB	Output is correct
41	Correct	32 ms	6268 KB	Output is correct
42	Correct	10 ms	3120 KB	Output is correct
43	Correct	9 ms	3064 KB	Output is correct
44	Correct	9 ms	3192 KB	Output is correct
45	Correct	33 ms	8696 KB	Output is correct
46	Correct	32 ms	8696 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2552 KB	Output is correct
2	Correct	4 ms	2552 KB	Output is correct
3	Correct	4 ms	2552 KB	Output is correct
4	Correct	4 ms	2500 KB	Output is correct
5	Correct	4 ms	2552 KB	Output is correct
6	Correct	4 ms	2552 KB	Output is correct
7	Correct	4 ms	2552 KB	Output is correct
8	Correct	4 ms	2680 KB	Output is correct
9	Correct	4 ms	2552 KB	Output is correct
10	Correct	4 ms	2552 KB	Output is correct
11	Correct	5 ms	2808 KB	Output is correct
12	Correct	4 ms	2680 KB	Output is correct
13	Correct	4 ms	2552 KB	Output is correct
14	Correct	5 ms	2808 KB	Output is correct
15	Correct	5 ms	2796 KB	Output is correct
16	Correct	5 ms	2728 KB	Output is correct
17	Correct	5 ms	2936 KB	Output is correct
18	Correct	4 ms	2680 KB	Output is correct
19	Correct	4 ms	2680 KB	Output is correct
20	Correct	5 ms	2680 KB	Output is correct
21	Correct	4 ms	2680 KB	Output is correct
22	Correct	4 ms	2680 KB	Output is correct
23	Correct	5 ms	2800 KB	Output is correct
24	Correct	6 ms	2936 KB	Output is correct
25	Correct	5 ms	2808 KB	Output is correct
26	Correct	5 ms	2808 KB	Output is correct
27	Correct	5 ms	2680 KB	Output is correct
28	Correct	5 ms	2936 KB	Output is correct
29	Correct	7 ms	3448 KB	Output is correct
30	Correct	5 ms	2936 KB	Output is correct
31	Correct	6 ms	3064 KB	Output is correct
32	Correct	6 ms	2936 KB	Output is correct
33	Correct	9 ms	3956 KB	Output is correct
34	Correct	8 ms	3956 KB	Output is correct
35	Correct	24 ms	5240 KB	Output is correct
36	Correct	6 ms	3064 KB	Output is correct
37	Correct	27 ms	5884 KB	Output is correct
38	Correct	32 ms	6236 KB	Output is correct
39	Correct	31 ms	6264 KB	Output is correct
40	Correct	33 ms	6264 KB	Output is correct
41	Correct	31 ms	6264 KB	Output is correct
42	Correct	10 ms	3192 KB	Output is correct
43	Correct	9 ms	3064 KB	Output is correct
44	Correct	9 ms	3192 KB	Output is correct
45	Correct	35 ms	8824 KB	Output is correct
46	Correct	32 ms	8824 KB	Output is correct
47	Correct	55 ms	13120 KB	Output is correct
48	Correct	23 ms	6516 KB	Output is correct
49	Correct	19 ms	5496 KB	Output is correct
50	Correct	16 ms	5112 KB	Output is correct
51	Correct	41 ms	8576 KB	Output is correct
52	Correct	44 ms	8952 KB	Output is correct
53	Correct	19 ms	5420 KB	Output is correct
54	Correct	6 ms	2940 KB	Output is correct
55	Correct	7 ms	3316 KB	Output is correct
56	Correct	18 ms	5368 KB	Output is correct
57	Correct	23 ms	11512 KB	Output is correct
58	Correct	12 ms	3824 KB	Output is correct
59	Correct	16 ms	4340 KB	Output is correct
60	Correct	15 ms	4852 KB	Output is correct
61	Correct	16 ms	4088 KB	Output is correct
62	Correct	38 ms	9336 KB	Output is correct
63	Correct	97 ms	25324 KB	Output is correct
64	Correct	96 ms	28908 KB	Output is correct
65	Correct	128 ms	38128 KB	Output is correct
66	Correct	264 ms	64756 KB	Output is correct
67	Correct	235 ms	64736 KB	Output is correct

답안 #169593

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