Submission #35689

# Submission time Handle Problem Language Result Execution time Memory
35689 2017-11-28T06:29:44 Z funcsr Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
1000 ms 29008 KB
#include <cstdio>
#include <iostream>
#include <algorithm>
#include <string>
#include <cstring>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cmath>
#include <iomanip>
#include <cassert>
#include <bitset>
using namespace std;

typedef pair<int, int> P;
typedef pair<int, P> P2;
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(c) (c).begin(), (c).end()
#define uniq(c) c.erase(unique(all(c)), (c).end())
#define index(xs, x) (int)(lower_bound(all(xs), x) - xs.begin())
#define _1 first
#define _2 second
#define pb push_back
#define INF 1145141919
#define MOD 1000000007
const int B = 200;
//const int B = 1;

int N, M;
vector<int> G[30000];
int D[30000][B+1];

signed main() {
  ios::sync_with_stdio(false); cin.tie(0);
  cin >> N >> M;
  rep(i, N) rep(j, B+1) D[i][j] = INF;
  int sx = 0, tx = 0;
  rep(i, M) {
    int b, p;
    cin >> b >> p;
    if      (i == 0) sx = b;
    else if (i == 1) tx = b;
    G[b].pb(p);
  }
  rep(i, N) sort(all(G[i])), uniq(G[i]);

  priority_queue<P2, vector<P2>, greater<P2> > q;
  D[sx][0] = 0;
  q.push(P2(0, P(sx, 0)));

  while (!q.empty()) {
    int x = q.top()._2._1,
        p = q.top()._2._2,
        r = q.top()._1; q.pop();
    if (D[x][p] < r) continue;

    if (p == 0) {
      for (int np : G[x]) {
        if (np <= B) {
          if (D[x][np] > r) {
            D[x][np] = r;
            q.push(P2(r, P(x, np)));
          }
        }
        else {
          for (int t=x%np; t<N; t+=np) {
            int cost = abs(x-t)/np;
            if (D[t][0] > r+cost) {
              D[t][0] = r+cost;
              q.push(P2(r+cost, P(t, 0)));
            }
          }
        }
      }
    }
    else {
      if (D[x][0] > r) {
        D[x][0] = r;
        q.push(P2(r, P(x, 0)));
      }
      if (x-p >= 0) {
        if (D[x-p][p] > r+1) {
          D[x-p][p] = r+1;
          q.push(P2(r+1, P(x-p, p)));
        }
      }
      if (x+p < N) {
        if (D[x+p][p] > r+1) {
          D[x+p][p] = r+1;
          q.push(P2(r+1, P(x+p, p)));
        }
      }
    }
  }
  int m = D[tx][0];
  if (m == INF) m = -1;
  cout << m << "\n";
  return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 26436 KB Output is correct
2 Correct 0 ms 26436 KB Output is correct
3 Correct 0 ms 26436 KB Output is correct
4 Correct 0 ms 26436 KB Output is correct
5 Correct 0 ms 26436 KB Output is correct
6 Correct 0 ms 26436 KB Output is correct
7 Correct 0 ms 26436 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 26436 KB Output is correct
2 Correct 0 ms 26436 KB Output is correct
3 Correct 0 ms 26436 KB Output is correct
4 Correct 0 ms 26436 KB Output is correct
5 Correct 0 ms 26436 KB Output is correct
6 Correct 0 ms 26436 KB Output is correct
7 Correct 0 ms 26436 KB Output is correct
8 Correct 0 ms 26436 KB Output is correct
9 Correct 0 ms 26436 KB Output is correct
10 Correct 0 ms 26436 KB Output is correct
11 Correct 0 ms 26436 KB Output is correct
12 Correct 0 ms 26436 KB Output is correct
13 Correct 0 ms 26436 KB Output is correct
14 Correct 0 ms 26436 KB Output is correct
15 Correct 0 ms 26436 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 26436 KB Output is correct
2 Correct 0 ms 26436 KB Output is correct
3 Correct 0 ms 26436 KB Output is correct
4 Correct 0 ms 26436 KB Output is correct
5 Correct 0 ms 26436 KB Output is correct
6 Correct 0 ms 26436 KB Output is correct
7 Correct 0 ms 26436 KB Output is correct
8 Correct 0 ms 26436 KB Output is correct
9 Correct 0 ms 26436 KB Output is correct
10 Correct 0 ms 26436 KB Output is correct
11 Correct 0 ms 26436 KB Output is correct
12 Correct 0 ms 26436 KB Output is correct
13 Correct 0 ms 26436 KB Output is correct
14 Correct 0 ms 26436 KB Output is correct
15 Correct 0 ms 26436 KB Output is correct
16 Correct 0 ms 26436 KB Output is correct
17 Correct 3 ms 26436 KB Output is correct
18 Correct 0 ms 26436 KB Output is correct
19 Correct 0 ms 26436 KB Output is correct
20 Correct 0 ms 26436 KB Output is correct
21 Correct 0 ms 26436 KB Output is correct
22 Correct 0 ms 26436 KB Output is correct
23 Correct 3 ms 26436 KB Output is correct
24 Correct 0 ms 26436 KB Output is correct
25 Correct 0 ms 26436 KB Output is correct
26 Correct 0 ms 26436 KB Output is correct
27 Correct 0 ms 26436 KB Output is correct
28 Correct 0 ms 26436 KB Output is correct
29 Correct 9 ms 26436 KB Output is correct
30 Correct 3 ms 26436 KB Output is correct
31 Correct 3 ms 26436 KB Output is correct
32 Correct 3 ms 26436 KB Output is correct
33 Correct 16 ms 26436 KB Output is correct
34 Correct 26 ms 26436 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 26436 KB Output is correct
2 Correct 0 ms 26436 KB Output is correct
3 Correct 0 ms 26436 KB Output is correct
4 Correct 0 ms 26436 KB Output is correct
5 Correct 0 ms 26436 KB Output is correct
6 Correct 0 ms 26436 KB Output is correct
7 Correct 0 ms 26436 KB Output is correct
8 Correct 0 ms 26436 KB Output is correct
9 Correct 0 ms 26436 KB Output is correct
10 Correct 0 ms 26436 KB Output is correct
11 Correct 0 ms 26436 KB Output is correct
12 Correct 0 ms 26436 KB Output is correct
13 Correct 0 ms 26436 KB Output is correct
14 Correct 0 ms 26436 KB Output is correct
15 Correct 0 ms 26436 KB Output is correct
16 Correct 0 ms 26436 KB Output is correct
17 Correct 3 ms 26436 KB Output is correct
18 Correct 0 ms 26436 KB Output is correct
19 Correct 0 ms 26436 KB Output is correct
20 Correct 0 ms 26436 KB Output is correct
21 Correct 0 ms 26436 KB Output is correct
22 Correct 0 ms 26436 KB Output is correct
23 Correct 0 ms 26436 KB Output is correct
24 Correct 0 ms 26436 KB Output is correct
25 Correct 0 ms 26436 KB Output is correct
26 Correct 0 ms 26436 KB Output is correct
27 Correct 0 ms 26436 KB Output is correct
28 Correct 3 ms 26436 KB Output is correct
29 Correct 9 ms 26436 KB Output is correct
30 Correct 3 ms 26436 KB Output is correct
31 Correct 3 ms 26436 KB Output is correct
32 Correct 3 ms 26436 KB Output is correct
33 Correct 16 ms 26436 KB Output is correct
34 Correct 16 ms 26436 KB Output is correct
35 Correct 16 ms 26888 KB Output is correct
36 Correct 3 ms 26436 KB Output is correct
37 Correct 23 ms 26852 KB Output is correct
38 Correct 36 ms 26888 KB Output is correct
39 Correct 19 ms 26888 KB Output is correct
40 Correct 26 ms 26888 KB Output is correct
41 Correct 26 ms 26888 KB Output is correct
42 Correct 3 ms 26600 KB Output is correct
43 Correct 6 ms 26600 KB Output is correct
44 Correct 6 ms 26596 KB Output is correct
45 Correct 79 ms 27232 KB Output is correct
46 Correct 73 ms 27228 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 26436 KB Output is correct
2 Correct 0 ms 26436 KB Output is correct
3 Correct 0 ms 26436 KB Output is correct
4 Correct 0 ms 26436 KB Output is correct
5 Correct 0 ms 26436 KB Output is correct
6 Correct 0 ms 26436 KB Output is correct
7 Correct 0 ms 26436 KB Output is correct
8 Correct 0 ms 26436 KB Output is correct
9 Correct 0 ms 26436 KB Output is correct
10 Correct 0 ms 26436 KB Output is correct
11 Correct 0 ms 26436 KB Output is correct
12 Correct 0 ms 26436 KB Output is correct
13 Correct 0 ms 26436 KB Output is correct
14 Correct 0 ms 26436 KB Output is correct
15 Correct 0 ms 26436 KB Output is correct
16 Correct 0 ms 26436 KB Output is correct
17 Correct 0 ms 26436 KB Output is correct
18 Correct 0 ms 26436 KB Output is correct
19 Correct 0 ms 26436 KB Output is correct
20 Correct 0 ms 26436 KB Output is correct
21 Correct 0 ms 26436 KB Output is correct
22 Correct 0 ms 26436 KB Output is correct
23 Correct 0 ms 26436 KB Output is correct
24 Correct 3 ms 26436 KB Output is correct
25 Correct 0 ms 26436 KB Output is correct
26 Correct 0 ms 26436 KB Output is correct
27 Correct 0 ms 26436 KB Output is correct
28 Correct 0 ms 26436 KB Output is correct
29 Correct 6 ms 26436 KB Output is correct
30 Correct 3 ms 26436 KB Output is correct
31 Correct 3 ms 26436 KB Output is correct
32 Correct 3 ms 26436 KB Output is correct
33 Correct 16 ms 26436 KB Output is correct
34 Correct 19 ms 26436 KB Output is correct
35 Correct 9 ms 26888 KB Output is correct
36 Correct 3 ms 26436 KB Output is correct
37 Correct 29 ms 26852 KB Output is correct
38 Correct 26 ms 26888 KB Output is correct
39 Correct 23 ms 26888 KB Output is correct
40 Correct 23 ms 26888 KB Output is correct
41 Correct 26 ms 26888 KB Output is correct
42 Correct 3 ms 26600 KB Output is correct
43 Correct 3 ms 26600 KB Output is correct
44 Correct 6 ms 26596 KB Output is correct
45 Correct 69 ms 27232 KB Output is correct
46 Correct 79 ms 27228 KB Output is correct
47 Correct 133 ms 27396 KB Output is correct
48 Correct 3 ms 26832 KB Output is correct
49 Correct 16 ms 26832 KB Output is correct
50 Correct 13 ms 26700 KB Output is correct
51 Correct 86 ms 27644 KB Output is correct
52 Correct 73 ms 27648 KB Output is correct
53 Correct 26 ms 26964 KB Output is correct
54 Correct 6 ms 26436 KB Output is correct
55 Correct 19 ms 26436 KB Output is correct
56 Correct 16 ms 27360 KB Output is correct
57 Correct 106 ms 26436 KB Output is correct
58 Correct 23 ms 26596 KB Output is correct
59 Correct 23 ms 26596 KB Output is correct
60 Correct 19 ms 26604 KB Output is correct
61 Correct 16 ms 26612 KB Output is correct
62 Correct 66 ms 27360 KB Output is correct
63 Correct 83 ms 29008 KB Output is correct
64 Correct 83 ms 28984 KB Output is correct
65 Correct 489 ms 29000 KB Output is correct
66 Execution timed out 1000 ms 28956 KB Execution timed out
67 Halted 0 ms 0 KB -