Submission #35694

# Submission time Handle Problem Language Result Execution time Memory
35694 2017-11-28T06:41:24 Z funcsr Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
49 ms 33000 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 LIM = 50000;

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

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]);

  D[sx][0] = 0;
  Q[0].pb(P(sx, 0));

  rep(r, LIM) {
    while (!Q[r].empty()) {
      int x = Q[r].back()._1, p = Q[r].back()._2;
      Q[r].pop_back();
      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[r].pb(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[r+cost].pb(P(t, 0));
              }
            }
          }
        }
      }
      else {
        if (D[x][0] > r) {
          D[x][0] = r;
          Q[r].pb(P(x, 0));
        }
        if (x-p >= 0) {
          if (D[x-p][p] > r+1) {
            D[x-p][p] = r+1;
            Q[r+1].pb(P(x-p, p));
          }
        }
        if (x+p < N) {
          if (D[x+p][p] > r+1) {
            D[x+p][p] = r+1;
            Q[r+1].pb(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 27608 KB Output is correct
2 Correct 0 ms 27608 KB Output is correct
3 Correct 0 ms 27608 KB Output is correct
4 Correct 0 ms 27608 KB Output is correct
5 Correct 0 ms 27608 KB Output is correct
6 Correct 0 ms 27608 KB Output is correct
7 Correct 0 ms 27608 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 27608 KB Output is correct
2 Correct 0 ms 27608 KB Output is correct
3 Correct 0 ms 27608 KB Output is correct
4 Correct 0 ms 27608 KB Output is correct
5 Correct 0 ms 27608 KB Output is correct
6 Correct 0 ms 27608 KB Output is correct
7 Correct 0 ms 27608 KB Output is correct
8 Correct 0 ms 27608 KB Output is correct
9 Correct 0 ms 27608 KB Output is correct
10 Correct 0 ms 27608 KB Output is correct
11 Correct 0 ms 27608 KB Output is correct
12 Correct 0 ms 27608 KB Output is correct
13 Correct 0 ms 27608 KB Output is correct
14 Correct 3 ms 27608 KB Output is correct
15 Correct 0 ms 27608 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 27608 KB Output is correct
2 Correct 0 ms 27608 KB Output is correct
3 Correct 0 ms 27608 KB Output is correct
4 Correct 0 ms 27608 KB Output is correct
5 Correct 0 ms 27608 KB Output is correct
6 Correct 0 ms 27608 KB Output is correct
7 Correct 0 ms 27608 KB Output is correct
8 Correct 0 ms 27608 KB Output is correct
9 Correct 0 ms 27608 KB Output is correct
10 Correct 0 ms 27608 KB Output is correct
11 Correct 0 ms 27608 KB Output is correct
12 Correct 0 ms 27608 KB Output is correct
13 Correct 3 ms 27608 KB Output is correct
14 Correct 3 ms 27608 KB Output is correct
15 Correct 0 ms 27608 KB Output is correct
16 Correct 0 ms 27608 KB Output is correct
17 Correct 0 ms 27740 KB Output is correct
18 Correct 0 ms 27608 KB Output is correct
19 Correct 0 ms 27608 KB Output is correct
20 Correct 3 ms 27740 KB Output is correct
21 Correct 0 ms 27608 KB Output is correct
22 Correct 3 ms 27608 KB Output is correct
23 Correct 3 ms 27608 KB Output is correct
24 Correct 0 ms 27740 KB Output is correct
25 Correct 0 ms 27740 KB Output is correct
26 Correct 3 ms 27740 KB Output is correct
27 Correct 0 ms 27740 KB Output is correct
28 Correct 3 ms 28268 KB Output is correct
29 Correct 0 ms 28280 KB Output is correct
30 Correct 0 ms 27872 KB Output is correct
31 Correct 3 ms 28012 KB Output is correct
32 Correct 0 ms 27872 KB Output is correct
33 Correct 6 ms 28728 KB Output is correct
34 Correct 3 ms 28716 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 27608 KB Output is correct
2 Correct 0 ms 27608 KB Output is correct
3 Correct 0 ms 27608 KB Output is correct
4 Correct 0 ms 27608 KB Output is correct
5 Correct 0 ms 27608 KB Output is correct
6 Correct 0 ms 27608 KB Output is correct
7 Correct 0 ms 27608 KB Output is correct
8 Correct 0 ms 27608 KB Output is correct
9 Correct 0 ms 27608 KB Output is correct
10 Correct 0 ms 27608 KB Output is correct
11 Correct 0 ms 27608 KB Output is correct
12 Correct 0 ms 27608 KB Output is correct
13 Correct 0 ms 27608 KB Output is correct
14 Correct 0 ms 27608 KB Output is correct
15 Correct 0 ms 27608 KB Output is correct
16 Correct 0 ms 27608 KB Output is correct
17 Correct 0 ms 27740 KB Output is correct
18 Correct 3 ms 27608 KB Output is correct
19 Correct 3 ms 27608 KB Output is correct
20 Correct 3 ms 27740 KB Output is correct
21 Correct 0 ms 27608 KB Output is correct
22 Correct 0 ms 27608 KB Output is correct
23 Correct 0 ms 27608 KB Output is correct
24 Correct 3 ms 27740 KB Output is correct
25 Correct 0 ms 27740 KB Output is correct
26 Correct 0 ms 27740 KB Output is correct
27 Correct 0 ms 27740 KB Output is correct
28 Correct 0 ms 28268 KB Output is correct
29 Correct 3 ms 28280 KB Output is correct
30 Correct 0 ms 27872 KB Output is correct
31 Correct 0 ms 28012 KB Output is correct
32 Correct 3 ms 27872 KB Output is correct
33 Correct 3 ms 28728 KB Output is correct
34 Correct 3 ms 28716 KB Output is correct
35 Correct 13 ms 28340 KB Output is correct
36 Correct 3 ms 27740 KB Output is correct
37 Correct 19 ms 29008 KB Output is correct
38 Correct 19 ms 28804 KB Output is correct
39 Correct 16 ms 28800 KB Output is correct
40 Correct 16 ms 28780 KB Output is correct
41 Correct 19 ms 28780 KB Output is correct
42 Correct 6 ms 27904 KB Output is correct
43 Correct 6 ms 27904 KB Output is correct
44 Correct 9 ms 27768 KB Output is correct
45 Correct 19 ms 32380 KB Output is correct
46 Correct 23 ms 32244 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 27608 KB Output is correct
2 Correct 0 ms 27608 KB Output is correct
3 Correct 0 ms 27608 KB Output is correct
4 Correct 0 ms 27608 KB Output is correct
5 Correct 0 ms 27608 KB Output is correct
6 Correct 0 ms 27608 KB Output is correct
7 Correct 0 ms 27608 KB Output is correct
8 Correct 0 ms 27608 KB Output is correct
9 Correct 0 ms 27608 KB Output is correct
10 Correct 0 ms 27608 KB Output is correct
11 Correct 0 ms 27608 KB Output is correct
12 Correct 0 ms 27608 KB Output is correct
13 Correct 0 ms 27608 KB Output is correct
14 Correct 0 ms 27608 KB Output is correct
15 Correct 0 ms 27608 KB Output is correct
16 Correct 0 ms 27608 KB Output is correct
17 Correct 3 ms 27740 KB Output is correct
18 Correct 0 ms 27608 KB Output is correct
19 Correct 0 ms 27608 KB Output is correct
20 Correct 0 ms 27740 KB Output is correct
21 Correct 0 ms 27608 KB Output is correct
22 Correct 0 ms 27608 KB Output is correct
23 Correct 3 ms 27608 KB Output is correct
24 Correct 0 ms 27740 KB Output is correct
25 Correct 0 ms 27740 KB Output is correct
26 Correct 0 ms 27740 KB Output is correct
27 Correct 0 ms 27740 KB Output is correct
28 Correct 3 ms 28268 KB Output is correct
29 Correct 3 ms 28280 KB Output is correct
30 Correct 0 ms 27872 KB Output is correct
31 Correct 6 ms 28012 KB Output is correct
32 Correct 0 ms 27872 KB Output is correct
33 Correct 6 ms 28728 KB Output is correct
34 Correct 3 ms 28716 KB Output is correct
35 Correct 6 ms 28340 KB Output is correct
36 Correct 3 ms 27740 KB Output is correct
37 Correct 9 ms 29008 KB Output is correct
38 Correct 13 ms 28804 KB Output is correct
39 Correct 19 ms 28800 KB Output is correct
40 Correct 6 ms 28780 KB Output is correct
41 Correct 16 ms 28780 KB Output is correct
42 Correct 0 ms 27904 KB Output is correct
43 Correct 6 ms 27904 KB Output is correct
44 Correct 0 ms 27768 KB Output is correct
45 Correct 13 ms 32380 KB Output is correct
46 Correct 13 ms 32244 KB Output is correct
47 Correct 49 ms 33000 KB Output is correct
48 Correct 13 ms 28004 KB Output is correct
49 Correct 13 ms 28004 KB Output is correct
50 Correct 9 ms 27872 KB Output is correct
51 Correct 33 ms 30804 KB Output is correct
52 Correct 39 ms 30960 KB Output is correct
53 Correct 23 ms 29324 KB Output is correct
54 Correct 3 ms 28004 KB Output is correct
55 Correct 6 ms 28400 KB Output is correct
56 Correct 23 ms 29456 KB Output is correct
57 Correct 36 ms 32468 KB Output is correct
58 Runtime error 19 ms 29352 KB Execution killed with signal 11 (could be triggered by violating memory limits)
59 Halted 0 ms 0 KB -