답안 #35698

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
35698 2017-11-28T06:48:50 Z funcsr Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
19 ms 29052 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 = 180;
const int LIM = 30100;

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) {
    if (D[tx][0] != INF) break;
    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));
          }
        }
      }
    }
    Q[r].clear();
  }
  int m = D[tx][0];
  if (m == INF) m = -1;
  cout << m << "\n";
  return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 24800 KB Output is correct
2 Correct 0 ms 24800 KB Output is correct
3 Correct 0 ms 24800 KB Output is correct
4 Correct 0 ms 24800 KB Output is correct
5 Correct 0 ms 24800 KB Output is correct
6 Correct 0 ms 24800 KB Output is correct
7 Correct 0 ms 24800 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 24800 KB Output is correct
2 Correct 0 ms 24800 KB Output is correct
3 Correct 0 ms 24800 KB Output is correct
4 Correct 0 ms 24800 KB Output is correct
5 Correct 0 ms 24800 KB Output is correct
6 Correct 0 ms 24800 KB Output is correct
7 Correct 0 ms 24800 KB Output is correct
8 Correct 0 ms 24800 KB Output is correct
9 Correct 0 ms 24800 KB Output is correct
10 Correct 0 ms 24800 KB Output is correct
11 Correct 0 ms 24800 KB Output is correct
12 Correct 0 ms 24800 KB Output is correct
13 Correct 0 ms 24800 KB Output is correct
14 Correct 0 ms 24800 KB Output is correct
15 Correct 0 ms 24800 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 24800 KB Output is correct
2 Correct 0 ms 24800 KB Output is correct
3 Correct 0 ms 24800 KB Output is correct
4 Correct 0 ms 24800 KB Output is correct
5 Correct 0 ms 24800 KB Output is correct
6 Correct 0 ms 24800 KB Output is correct
7 Correct 0 ms 24800 KB Output is correct
8 Correct 0 ms 24800 KB Output is correct
9 Correct 0 ms 24800 KB Output is correct
10 Correct 0 ms 24800 KB Output is correct
11 Correct 0 ms 24800 KB Output is correct
12 Correct 0 ms 24800 KB Output is correct
13 Correct 0 ms 24800 KB Output is correct
14 Correct 0 ms 24800 KB Output is correct
15 Correct 0 ms 24800 KB Output is correct
16 Correct 0 ms 24800 KB Output is correct
17 Correct 0 ms 24800 KB Output is correct
18 Correct 0 ms 24800 KB Output is correct
19 Correct 0 ms 24800 KB Output is correct
20 Correct 3 ms 24932 KB Output is correct
21 Correct 0 ms 24800 KB Output is correct
22 Correct 0 ms 24800 KB Output is correct
23 Correct 0 ms 24800 KB Output is correct
24 Correct 3 ms 24800 KB Output is correct
25 Correct 3 ms 24800 KB Output is correct
26 Correct 0 ms 24932 KB Output is correct
27 Correct 0 ms 24932 KB Output is correct
28 Correct 0 ms 25328 KB Output is correct
29 Correct 0 ms 25472 KB Output is correct
30 Correct 0 ms 24932 KB Output is correct
31 Correct 0 ms 25204 KB Output is correct
32 Correct 0 ms 25064 KB Output is correct
33 Correct 3 ms 25920 KB Output is correct
34 Correct 0 ms 25376 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 24800 KB Output is correct
2 Correct 0 ms 24800 KB Output is correct
3 Correct 0 ms 24800 KB Output is correct
4 Correct 0 ms 24800 KB Output is correct
5 Correct 0 ms 24800 KB Output is correct
6 Correct 0 ms 24800 KB Output is correct
7 Correct 0 ms 24800 KB Output is correct
8 Correct 0 ms 24800 KB Output is correct
9 Correct 0 ms 24800 KB Output is correct
10 Correct 0 ms 24800 KB Output is correct
11 Correct 0 ms 24800 KB Output is correct
12 Correct 0 ms 24800 KB Output is correct
13 Correct 0 ms 24800 KB Output is correct
14 Correct 0 ms 24800 KB Output is correct
15 Correct 0 ms 24800 KB Output is correct
16 Correct 0 ms 24800 KB Output is correct
17 Correct 0 ms 24800 KB Output is correct
18 Correct 3 ms 24800 KB Output is correct
19 Correct 0 ms 24800 KB Output is correct
20 Correct 0 ms 24932 KB Output is correct
21 Correct 0 ms 24800 KB Output is correct
22 Correct 0 ms 24800 KB Output is correct
23 Correct 3 ms 24800 KB Output is correct
24 Correct 3 ms 24800 KB Output is correct
25 Correct 0 ms 24800 KB Output is correct
26 Correct 0 ms 24932 KB Output is correct
27 Correct 0 ms 24932 KB Output is correct
28 Correct 3 ms 25328 KB Output is correct
29 Correct 0 ms 25472 KB Output is correct
30 Correct 0 ms 24932 KB Output is correct
31 Correct 0 ms 25204 KB Output is correct
32 Correct 3 ms 25064 KB Output is correct
33 Correct 6 ms 25920 KB Output is correct
34 Correct 3 ms 25376 KB Output is correct
35 Correct 9 ms 25064 KB Output is correct
36 Correct 3 ms 24800 KB Output is correct
37 Correct 6 ms 25088 KB Output is correct
38 Correct 6 ms 25064 KB Output is correct
39 Correct 6 ms 24932 KB Output is correct
40 Correct 6 ms 25064 KB Output is correct
41 Correct 3 ms 25064 KB Output is correct
42 Correct 6 ms 24964 KB Output is correct
43 Correct 3 ms 24964 KB Output is correct
44 Correct 9 ms 24960 KB Output is correct
45 Correct 19 ms 29052 KB Output is correct
46 Correct 9 ms 25200 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 24800 KB Output is correct
2 Correct 0 ms 24800 KB Output is correct
3 Correct 0 ms 24800 KB Output is correct
4 Correct 0 ms 24800 KB Output is correct
5 Correct 0 ms 24800 KB Output is correct
6 Correct 0 ms 24800 KB Output is correct
7 Correct 0 ms 24800 KB Output is correct
8 Correct 0 ms 24800 KB Output is correct
9 Correct 0 ms 24800 KB Output is correct
10 Correct 0 ms 24800 KB Output is correct
11 Correct 0 ms 24800 KB Output is correct
12 Correct 0 ms 24800 KB Output is correct
13 Correct 0 ms 24800 KB Output is correct
14 Correct 0 ms 24800 KB Output is correct
15 Correct 0 ms 24800 KB Output is correct
16 Correct 0 ms 24800 KB Output is correct
17 Correct 0 ms 24800 KB Output is correct
18 Correct 0 ms 24800 KB Output is correct
19 Correct 0 ms 24800 KB Output is correct
20 Correct 3 ms 24932 KB Output is correct
21 Correct 0 ms 24800 KB Output is correct
22 Correct 0 ms 24800 KB Output is correct
23 Correct 0 ms 24800 KB Output is correct
24 Correct 3 ms 24800 KB Output is correct
25 Correct 3 ms 24800 KB Output is correct
26 Correct 3 ms 24932 KB Output is correct
27 Correct 0 ms 24932 KB Output is correct
28 Correct 0 ms 25328 KB Output is correct
29 Correct 3 ms 25472 KB Output is correct
30 Correct 0 ms 24932 KB Output is correct
31 Correct 0 ms 25204 KB Output is correct
32 Correct 0 ms 25064 KB Output is correct
33 Correct 3 ms 25920 KB Output is correct
34 Correct 0 ms 25376 KB Output is correct
35 Correct 6 ms 25064 KB Output is correct
36 Correct 3 ms 24800 KB Output is correct
37 Correct 3 ms 25088 KB Output is correct
38 Correct 6 ms 25064 KB Output is correct
39 Correct 9 ms 24932 KB Output is correct
40 Correct 6 ms 25064 KB Output is correct
41 Correct 6 ms 25064 KB Output is correct
42 Correct 6 ms 24964 KB Output is correct
43 Correct 9 ms 24964 KB Output is correct
44 Correct 6 ms 24960 KB Output is correct
45 Correct 16 ms 29052 KB Output is correct
46 Correct 6 ms 25200 KB Output is correct
47 Incorrect 16 ms 25196 KB Output isn't correct
48 Halted 0 ms 0 KB -