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Submission #28043

# Submission time Handle Problem Language Result Execution time Memory
28043 2017-07-15T01:00:17 Z sampriti Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 869 ms 261272 KB 
#include <iostream>
#include <algorithm>
#include <set>
#include <vector>
#include <climits>

using namespace std;

#define LIM 150

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

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

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

  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;

    if(i == B[1] && j == LIM) break;

    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] != SHRT_MAX) {
          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] == SHRT_MAX) {
    cout << -1 << endl;
  }
  else {
    cout << D[B[1]][LIM] << endl;
  }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 118844 KB Output is correct
2 Correct 33 ms 118844 KB Output is correct
3 Correct 19 ms 118844 KB Output is correct
4 Correct 33 ms 118844 KB Output is correct
5 Correct 43 ms 118844 KB Output is correct
6 Correct 33 ms 118844 KB Output is correct
7 Correct 33 ms 118844 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 118844 KB Output is correct
2 Correct 26 ms 118844 KB Output is correct
3 Correct 23 ms 118844 KB Output is correct
4 Correct 23 ms 118844 KB Output is correct
5 Correct 39 ms 118844 KB Output is correct
6 Correct 36 ms 118844 KB Output is correct
7 Correct 26 ms 118844 KB Output is correct
8 Correct 26 ms 118976 KB Output is correct
9 Correct 26 ms 119108 KB Output is correct
10 Correct 23 ms 119372 KB Output is correct
11 Correct 26 ms 119372 KB Output is correct
12 Correct 23 ms 119240 KB Output is correct
13 Correct 19 ms 119240 KB Output is correct
14 Correct 33 ms 119504 KB Output is correct
15 Correct 39 ms 119504 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 118844 KB Output is correct
2 Correct 19 ms 118844 KB Output is correct
3 Correct 39 ms 118844 KB Output is correct
4 Correct 36 ms 118844 KB Output is correct
5 Correct 33 ms 118844 KB Output is correct
6 Correct 26 ms 118844 KB Output is correct
7 Correct 29 ms 118844 KB Output is correct
8 Correct 26 ms 118976 KB Output is correct
9 Correct 26 ms 119108 KB Output is correct
10 Correct 23 ms 119372 KB Output is correct
11 Correct 29 ms 119372 KB Output is correct
12 Correct 23 ms 119240 KB Output is correct
13 Correct 23 ms 119240 KB Output is correct
14 Correct 46 ms 119504 KB Output is correct
15 Correct 36 ms 119504 KB Output is correct
16 Correct 36 ms 119768 KB Output is correct
17 Correct 56 ms 122408 KB Output is correct
18 Correct 76 ms 127028 KB Output is correct
19 Correct 86 ms 128216 KB Output is correct
20 Correct 93 ms 128216 KB Output is correct
21 Correct 39 ms 120692 KB Output is correct
22 Correct 73 ms 127160 KB Output is correct
23 Correct 86 ms 126368 KB Output is correct
24 Correct 73 ms 127820 KB Output is correct
25 Correct 69 ms 128216 KB Output is correct
26 Correct 56 ms 128084 KB Output is correct
27 Correct 83 ms 128084 KB Output is correct
28 Correct 86 ms 128216 KB Output is correct
29 Correct 93 ms 128216 KB Output is correct
30 Correct 73 ms 128084 KB Output is correct
31 Correct 109 ms 128216 KB Output is correct
32 Correct 99 ms 128216 KB Output is correct
33 Correct 106 ms 128348 KB Output is correct
34 Correct 109 ms 128348 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 118844 KB Output is correct
2 Correct 29 ms 118844 KB Output is correct
3 Correct 23 ms 118844 KB Output is correct
4 Correct 29 ms 118844 KB Output is correct
5 Correct 16 ms 118844 KB Output is correct
6 Correct 29 ms 118844 KB Output is correct
7 Correct 39 ms 118844 KB Output is correct
8 Correct 33 ms 118976 KB Output is correct
9 Correct 33 ms 119108 KB Output is correct
10 Correct 23 ms 119372 KB Output is correct
11 Correct 43 ms 119372 KB Output is correct
12 Correct 29 ms 119240 KB Output is correct
13 Correct 29 ms 119240 KB Output is correct
14 Correct 36 ms 119504 KB Output is correct
15 Correct 23 ms 119504 KB Output is correct
16 Correct 29 ms 119768 KB Output is correct
17 Correct 56 ms 122408 KB Output is correct
18 Correct 76 ms 127028 KB Output is correct
19 Correct 89 ms 128216 KB Output is correct
20 Correct 76 ms 128216 KB Output is correct
21 Correct 39 ms 120692 KB Output is correct
22 Correct 66 ms 127160 KB Output is correct
23 Correct 83 ms 126368 KB Output is correct
24 Correct 89 ms 127820 KB Output is correct
25 Correct 86 ms 128216 KB Output is correct
26 Correct 89 ms 128084 KB Output is correct
27 Correct 73 ms 128084 KB Output is correct
28 Correct 106 ms 128216 KB Output is correct
29 Correct 89 ms 128216 KB Output is correct
30 Correct 83 ms 128084 KB Output is correct
31 Correct 93 ms 128216 KB Output is correct
32 Correct 89 ms 128216 KB Output is correct
33 Correct 126 ms 128348 KB Output is correct
34 Correct 89 ms 128348 KB Output is correct
35 Correct 89 ms 127160 KB Output is correct
36 Correct 66 ms 124124 KB Output is correct
37 Correct 83 ms 129536 KB Output is correct
38 Correct 96 ms 130064 KB Output is correct
39 Correct 93 ms 130064 KB Output is correct
40 Correct 96 ms 130064 KB Output is correct
41 Correct 103 ms 130064 KB Output is correct
42 Correct 96 ms 128084 KB Output is correct
43 Correct 86 ms 128084 KB Output is correct
44 Correct 119 ms 128216 KB Output is correct
45 Correct 203 ms 130196 KB Output is correct
46 Correct 109 ms 130196 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 118844 KB Output is correct
2 Correct 26 ms 118844 KB Output is correct
3 Correct 36 ms 118844 KB Output is correct
4 Correct 16 ms 118844 KB Output is correct
5 Correct 39 ms 118844 KB Output is correct
6 Correct 19 ms 118844 KB Output is correct
7 Correct 36 ms 118844 KB Output is correct
8 Correct 23 ms 118976 KB Output is correct
9 Correct 39 ms 119108 KB Output is correct
10 Correct 36 ms 119372 KB Output is correct
11 Correct 29 ms 119372 KB Output is correct
12 Correct 26 ms 119240 KB Output is correct
13 Correct 29 ms 119240 KB Output is correct
14 Correct 23 ms 119504 KB Output is correct
15 Correct 23 ms 119504 KB Output is correct
16 Correct 23 ms 119768 KB Output is correct
17 Correct 43 ms 122408 KB Output is correct
18 Correct 76 ms 127028 KB Output is correct
19 Correct 76 ms 128216 KB Output is correct
20 Correct 99 ms 128216 KB Output is correct
21 Correct 33 ms 120692 KB Output is correct
22 Correct 53 ms 127160 KB Output is correct
23 Correct 66 ms 126368 KB Output is correct
24 Correct 79 ms 127820 KB Output is correct
25 Correct 76 ms 128216 KB Output is correct
26 Correct 73 ms 128084 KB Output is correct
27 Correct 73 ms 128084 KB Output is correct
28 Correct 66 ms 128216 KB Output is correct
29 Correct 89 ms 128216 KB Output is correct
30 Correct 83 ms 128084 KB Output is correct
31 Correct 83 ms 128216 KB Output is correct
32 Correct 73 ms 128216 KB Output is correct
33 Correct 99 ms 128348 KB Output is correct
34 Correct 106 ms 128348 KB Output is correct
35 Correct 79 ms 127160 KB Output is correct
36 Correct 53 ms 124124 KB Output is correct
37 Correct 86 ms 129536 KB Output is correct
38 Correct 96 ms 130064 KB Output is correct
39 Correct 93 ms 130064 KB Output is correct
40 Correct 113 ms 130064 KB Output is correct
41 Correct 79 ms 130064 KB Output is correct
42 Correct 69 ms 128084 KB Output is correct
43 Correct 96 ms 128084 KB Output is correct
44 Correct 79 ms 128216 KB Output is correct
45 Correct 163 ms 130196 KB Output is correct
46 Correct 109 ms 130196 KB Output is correct
47 Correct 369 ms 180488 KB Output is correct
48 Correct 576 ms 228668 KB Output is correct
49 Correct 613 ms 238436 KB Output is correct
50 Correct 746 ms 249788 KB Output is correct
51 Correct 856 ms 261272 KB Output is correct
52 Correct 816 ms 261272 KB Output is correct
53 Correct 809 ms 259952 KB Output is correct
54 Correct 713 ms 258500 KB Output is correct
55 Correct 749 ms 258500 KB Output is correct
56 Correct 869 ms 260876 KB Output is correct
57 Correct 703 ms 258632 KB Output is correct
58 Incorrect 753 ms 258500 KB Output isn't correct
59 Halted 0 ms 0 KB -