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Submission #28034

# Submission time Handle Problem Language Result Execution time Memory
28034 2017-07-15T00:36:27 Z sampriti Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 182876 KB 
#include <iostream>
#include <algorithm>
#include <set>
#include <vector>
#include <climits>

using namespace std;

#define LIM 100

int B[30000], P[30000];
set<int> A[30000];
vector<pair<pair<short, short>, char> > G[30000][LIM + 1];
int D[30000][LIM + 1];

int main() {
  int N, M; cin >> N >> M;

  for(int i = 0; i < M; i++) {
    cin >> B[i] >> P[i];
    A[B[i]].insert(P[i]);
  }

  for(int i = 0; i < N; i++) {
    for(int x: A[i]) {
      if(x < LIM) {
        G[i][LIM].push_back({{i, x}, 0});
      }
    }

    for(int x: A[i]) {
      if(x >= LIM) {
        for(int d = 1; i + d * x < N; d++) {
          G[i][LIM].push_back({{i + d * x, LIM}, d});
        }
        for(int d = 1; i - d * x >= 0; d++) {
          G[i][LIM].push_back({{i - d * x, LIM}, d});
        }
      }
    }

    for(int x = 1; x < LIM; x++) {
      G[i][x].push_back({{i, LIM}, 0});

      if(i + x < N) {
        G[i][x].push_back({{i + x, x}, 1});
      }
      if(i - x >= 0) {
        G[i][x].push_back({{i - x, x}, 1});
      }
    }
  }

  for(int i = 0; i < N; i++) {
    for(int j = 0; j <= LIM; j++) {
      D[i][j] = INT_MAX/2;
    }
  }

  set<pair<int, pair<int, int> > > Q;
  Q.insert({0, {B[0], LIM}}); D[B[0]][LIM] = 0;

  while(!Q.empty()) {
    auto it = *Q.begin(); Q.erase(Q.begin());
    int i = it.second.first, j = it.second.second;

    for(auto it2: G[i][j]) {
      int i2 = it2.first.first, j2 = it2.first.second, d = it2.second;
      if(D[i][j] + d < D[i2][j2]) {
        if(D[i2][j2] != INT_MAX/2) {
          Q.erase({D[i2][j2], {i2, j2}});
        }
        D[i2][j2] = D[i][j] + d;
        Q.insert({D[i2][j2], {i2, j2}});
      }
    }
  }

  if(D[B[1]][LIM] == INT_MAX/2) {
    cout << -1 << endl;
  }
  else {
    cout << D[B[1]][LIM] << endl;
  }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 86516 KB Output is correct
2 Correct 9 ms 86516 KB Output is correct
3 Correct 19 ms 86516 KB Output is correct
4 Correct 19 ms 86516 KB Output is correct
5 Correct 26 ms 86516 KB Output is correct
6 Correct 16 ms 86516 KB Output is correct
7 Correct 13 ms 86516 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 86516 KB Output is correct
2 Correct 16 ms 86516 KB Output is correct
3 Correct 23 ms 86516 KB Output is correct
4 Correct 13 ms 86516 KB Output is correct
5 Correct 13 ms 86516 KB Output is correct
6 Correct 19 ms 86516 KB Output is correct
7 Correct 16 ms 86516 KB Output is correct
8 Correct 26 ms 86648 KB Output is correct
9 Correct 19 ms 86780 KB Output is correct
10 Correct 16 ms 86912 KB Output is correct
11 Correct 16 ms 87044 KB Output is correct
12 Correct 26 ms 86780 KB Output is correct
13 Correct 26 ms 86912 KB Output is correct
14 Correct 19 ms 87044 KB Output is correct
15 Correct 19 ms 87044 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 86516 KB Output is correct
2 Correct 19 ms 86516 KB Output is correct
3 Correct 33 ms 86516 KB Output is correct
4 Correct 26 ms 86516 KB Output is correct
5 Correct 13 ms 86516 KB Output is correct
6 Correct 13 ms 86516 KB Output is correct
7 Correct 19 ms 86516 KB Output is correct
8 Correct 26 ms 86648 KB Output is correct
9 Correct 19 ms 86780 KB Output is correct
10 Correct 26 ms 86912 KB Output is correct
11 Correct 19 ms 87044 KB Output is correct
12 Correct 16 ms 86780 KB Output is correct
13 Correct 19 ms 86912 KB Output is correct
14 Correct 19 ms 87044 KB Output is correct
15 Correct 23 ms 87044 KB Output is correct
16 Correct 23 ms 87176 KB Output is correct
17 Correct 46 ms 89024 KB Output is correct
18 Correct 49 ms 92060 KB Output is correct
19 Correct 59 ms 92720 KB Output is correct
20 Correct 56 ms 92852 KB Output is correct
21 Correct 23 ms 87836 KB Output is correct
22 Correct 39 ms 92060 KB Output is correct
23 Correct 46 ms 91532 KB Output is correct
24 Correct 69 ms 92588 KB Output is correct
25 Correct 53 ms 92852 KB Output is correct
26 Correct 56 ms 92720 KB Output is correct
27 Correct 53 ms 92720 KB Output is correct
28 Correct 59 ms 92852 KB Output is correct
29 Correct 79 ms 92852 KB Output is correct
30 Correct 63 ms 92720 KB Output is correct
31 Correct 56 ms 92720 KB Output is correct
32 Correct 56 ms 92720 KB Output is correct
33 Correct 86 ms 92984 KB Output is correct
34 Correct 86 ms 92984 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 86516 KB Output is correct
2 Correct 13 ms 86516 KB Output is correct
3 Correct 13 ms 86516 KB Output is correct
4 Correct 23 ms 86516 KB Output is correct
5 Correct 23 ms 86516 KB Output is correct
6 Correct 16 ms 86516 KB Output is correct
7 Correct 19 ms 86516 KB Output is correct
8 Correct 23 ms 86648 KB Output is correct
9 Correct 23 ms 86780 KB Output is correct
10 Correct 23 ms 86912 KB Output is correct
11 Correct 23 ms 87044 KB Output is correct
12 Correct 19 ms 86780 KB Output is correct
13 Correct 26 ms 86912 KB Output is correct
14 Correct 23 ms 87044 KB Output is correct
15 Correct 23 ms 87044 KB Output is correct
16 Correct 23 ms 87176 KB Output is correct
17 Correct 39 ms 89024 KB Output is correct
18 Correct 36 ms 92060 KB Output is correct
19 Correct 49 ms 92720 KB Output is correct
20 Correct 49 ms 92852 KB Output is correct
21 Correct 19 ms 87836 KB Output is correct
22 Correct 46 ms 92060 KB Output is correct
23 Correct 46 ms 91532 KB Output is correct
24 Correct 53 ms 92588 KB Output is correct
25 Correct 69 ms 92852 KB Output is correct
26 Correct 63 ms 92720 KB Output is correct
27 Correct 56 ms 92720 KB Output is correct
28 Correct 63 ms 92852 KB Output is correct
29 Correct 63 ms 92852 KB Output is correct
30 Correct 56 ms 92720 KB Output is correct
31 Correct 53 ms 92720 KB Output is correct
32 Correct 66 ms 92720 KB Output is correct
33 Correct 86 ms 92984 KB Output is correct
34 Correct 113 ms 92984 KB Output is correct
35 Correct 83 ms 92588 KB Output is correct
36 Correct 43 ms 90212 KB Output is correct
37 Correct 113 ms 94304 KB Output is correct
38 Correct 133 ms 94832 KB Output is correct
39 Correct 116 ms 94832 KB Output is correct
40 Correct 113 ms 94832 KB Output is correct
41 Correct 126 ms 94832 KB Output is correct
42 Correct 69 ms 92720 KB Output is correct
43 Correct 59 ms 92720 KB Output is correct
44 Correct 69 ms 92852 KB Output is correct
45 Correct 133 ms 96620 KB Output is correct
46 Correct 153 ms 96620 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 86516 KB Output is correct
2 Correct 26 ms 86516 KB Output is correct
3 Correct 19 ms 86516 KB Output is correct
4 Correct 16 ms 86516 KB Output is correct
5 Correct 23 ms 86516 KB Output is correct
6 Correct 19 ms 86516 KB Output is correct
7 Correct 9 ms 86516 KB Output is correct
8 Correct 26 ms 86648 KB Output is correct
9 Correct 16 ms 86780 KB Output is correct
10 Correct 26 ms 86912 KB Output is correct
11 Correct 19 ms 87044 KB Output is correct
12 Correct 23 ms 86780 KB Output is correct
13 Correct 19 ms 86912 KB Output is correct
14 Correct 26 ms 87044 KB Output is correct
15 Correct 29 ms 87044 KB Output is correct
16 Correct 19 ms 87176 KB Output is correct
17 Correct 33 ms 89024 KB Output is correct
18 Correct 43 ms 92060 KB Output is correct
19 Correct 43 ms 92720 KB Output is correct
20 Correct 49 ms 92852 KB Output is correct
21 Correct 23 ms 87836 KB Output is correct
22 Correct 39 ms 92060 KB Output is correct
23 Correct 49 ms 91532 KB Output is correct
24 Correct 49 ms 92588 KB Output is correct
25 Correct 53 ms 92852 KB Output is correct
26 Correct 49 ms 92720 KB Output is correct
27 Correct 49 ms 92720 KB Output is correct
28 Correct 56 ms 92852 KB Output is correct
29 Correct 69 ms 92852 KB Output is correct
30 Correct 63 ms 92720 KB Output is correct
31 Correct 53 ms 92720 KB Output is correct
32 Correct 76 ms 92720 KB Output is correct
33 Correct 89 ms 92984 KB Output is correct
34 Correct 83 ms 92984 KB Output is correct
35 Correct 93 ms 92588 KB Output is correct
36 Correct 39 ms 90212 KB Output is correct
37 Correct 113 ms 94304 KB Output is correct
38 Correct 136 ms 94832 KB Output is correct
39 Correct 129 ms 94832 KB Output is correct
40 Correct 143 ms 94832 KB Output is correct
41 Correct 139 ms 94832 KB Output is correct
42 Correct 76 ms 92720 KB Output is correct
43 Correct 59 ms 92720 KB Output is correct
44 Correct 66 ms 92852 KB Output is correct
45 Correct 136 ms 96620 KB Output is correct
46 Correct 153 ms 96620 KB Output is correct
47 Correct 546 ms 129944 KB Output is correct
48 Correct 396 ms 160436 KB Output is correct
49 Correct 489 ms 166904 KB Output is correct
50 Correct 573 ms 174296 KB Output is correct
51 Execution timed out 1000 ms 182876 KB Execution timed out
52 Halted 0 ms 0 KB -