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Submission #28029

# Submission time Handle Problem Language Result Execution time Memory
28029 2017-07-15T00:29:23 Z sampriti Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 279 ms 262144 KB 
#include <iostream>
#include <algorithm>
#include <set>
#include <vector>
#include <climits>

using namespace std;

#define LIM 200

int B[30000], P[30000];
set<int> A[30000];
vector<pair<pair<int, int>, int> > 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 33 ms 168548 KB Output is correct
2 Correct 29 ms 168548 KB Output is correct
3 Correct 43 ms 168548 KB Output is correct
4 Correct 33 ms 168548 KB Output is correct
5 Correct 33 ms 168680 KB Output is correct
6 Correct 39 ms 168680 KB Output is correct
7 Correct 43 ms 168680 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 168548 KB Output is correct
2 Correct 49 ms 168548 KB Output is correct
3 Correct 33 ms 168548 KB Output is correct
4 Correct 53 ms 168548 KB Output is correct
5 Correct 29 ms 168680 KB Output is correct
6 Correct 43 ms 168680 KB Output is correct
7 Correct 33 ms 168680 KB Output is correct
8 Correct 36 ms 168812 KB Output is correct
9 Correct 36 ms 168944 KB Output is correct
10 Correct 43 ms 169340 KB Output is correct
11 Correct 43 ms 169472 KB Output is correct
12 Correct 43 ms 169208 KB Output is correct
13 Correct 43 ms 169208 KB Output is correct
14 Correct 33 ms 169472 KB Output is correct
15 Correct 46 ms 169472 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 168548 KB Output is correct
2 Correct 33 ms 168548 KB Output is correct
3 Correct 43 ms 168548 KB Output is correct
4 Correct 26 ms 168548 KB Output is correct
5 Correct 49 ms 168680 KB Output is correct
6 Correct 36 ms 168680 KB Output is correct
7 Correct 36 ms 168680 KB Output is correct
8 Correct 49 ms 168812 KB Output is correct
9 Correct 46 ms 168944 KB Output is correct
10 Correct 29 ms 169340 KB Output is correct
11 Correct 43 ms 169472 KB Output is correct
12 Correct 33 ms 169208 KB Output is correct
13 Correct 43 ms 169208 KB Output is correct
14 Correct 46 ms 169472 KB Output is correct
15 Correct 46 ms 169472 KB Output is correct
16 Correct 23 ms 170132 KB Output is correct
17 Correct 73 ms 176732 KB Output is correct
18 Correct 106 ms 189140 KB Output is correct
19 Correct 119 ms 192176 KB Output is correct
20 Correct 129 ms 192308 KB Output is correct
21 Correct 46 ms 172244 KB Output is correct
22 Correct 86 ms 189536 KB Output is correct
23 Correct 83 ms 187292 KB Output is correct
24 Correct 93 ms 191120 KB Output is correct
25 Correct 123 ms 192308 KB Output is correct
26 Correct 103 ms 192176 KB Output is correct
27 Correct 99 ms 192176 KB Output is correct
28 Correct 123 ms 192308 KB Output is correct
29 Correct 119 ms 192308 KB Output is correct
30 Correct 99 ms 192176 KB Output is correct
31 Correct 99 ms 192308 KB Output is correct
32 Correct 136 ms 192308 KB Output is correct
33 Correct 153 ms 192440 KB Output is correct
34 Correct 139 ms 192440 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 168548 KB Output is correct
2 Correct 36 ms 168548 KB Output is correct
3 Correct 36 ms 168548 KB Output is correct
4 Correct 43 ms 168548 KB Output is correct
5 Correct 43 ms 168680 KB Output is correct
6 Correct 36 ms 168680 KB Output is correct
7 Correct 39 ms 168680 KB Output is correct
8 Correct 29 ms 168812 KB Output is correct
9 Correct 29 ms 168944 KB Output is correct
10 Correct 53 ms 169340 KB Output is correct
11 Correct 39 ms 169472 KB Output is correct
12 Correct 46 ms 169208 KB Output is correct
13 Correct 43 ms 169208 KB Output is correct
14 Correct 36 ms 169472 KB Output is correct
15 Correct 43 ms 169472 KB Output is correct
16 Correct 46 ms 170132 KB Output is correct
17 Correct 69 ms 176732 KB Output is correct
18 Correct 96 ms 189140 KB Output is correct
19 Correct 99 ms 192176 KB Output is correct
20 Correct 103 ms 192308 KB Output is correct
21 Correct 53 ms 172244 KB Output is correct
22 Correct 86 ms 189536 KB Output is correct
23 Correct 99 ms 187292 KB Output is correct
24 Correct 119 ms 191120 KB Output is correct
25 Correct 89 ms 192308 KB Output is correct
26 Correct 99 ms 192176 KB Output is correct
27 Correct 113 ms 192176 KB Output is correct
28 Correct 116 ms 192308 KB Output is correct
29 Correct 113 ms 192308 KB Output is correct
30 Correct 109 ms 192176 KB Output is correct
31 Correct 113 ms 192308 KB Output is correct
32 Correct 113 ms 192308 KB Output is correct
33 Correct 156 ms 192440 KB Output is correct
34 Correct 153 ms 192440 KB Output is correct
35 Correct 139 ms 187028 KB Output is correct
36 Correct 76 ms 181220 KB Output is correct
37 Correct 209 ms 193628 KB Output is correct
38 Correct 186 ms 194684 KB Output is correct
39 Correct 209 ms 194816 KB Output is correct
40 Correct 183 ms 194816 KB Output is correct
41 Correct 179 ms 194816 KB Output is correct
42 Correct 123 ms 192176 KB Output is correct
43 Correct 106 ms 192176 KB Output is correct
44 Correct 119 ms 192308 KB Output is correct
45 Correct 263 ms 196712 KB Output is correct
46 Correct 259 ms 196712 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 168548 KB Output is correct
2 Correct 39 ms 168548 KB Output is correct
3 Correct 29 ms 168548 KB Output is correct
4 Correct 36 ms 168548 KB Output is correct
5 Correct 36 ms 168680 KB Output is correct
6 Correct 29 ms 168680 KB Output is correct
7 Correct 39 ms 168680 KB Output is correct
8 Correct 39 ms 168812 KB Output is correct
9 Correct 39 ms 168944 KB Output is correct
10 Correct 46 ms 169340 KB Output is correct
11 Correct 33 ms 169472 KB Output is correct
12 Correct 43 ms 169208 KB Output is correct
13 Correct 26 ms 169208 KB Output is correct
14 Correct 43 ms 169472 KB Output is correct
15 Correct 46 ms 169472 KB Output is correct
16 Correct 49 ms 170132 KB Output is correct
17 Correct 56 ms 176732 KB Output is correct
18 Correct 103 ms 189140 KB Output is correct
19 Correct 106 ms 192176 KB Output is correct
20 Correct 99 ms 192308 KB Output is correct
21 Correct 39 ms 172244 KB Output is correct
22 Correct 96 ms 189536 KB Output is correct
23 Correct 96 ms 187292 KB Output is correct
24 Correct 113 ms 191120 KB Output is correct
25 Correct 106 ms 192308 KB Output is correct
26 Correct 89 ms 192176 KB Output is correct
27 Correct 103 ms 192176 KB Output is correct
28 Correct 106 ms 192308 KB Output is correct
29 Correct 126 ms 192308 KB Output is correct
30 Correct 96 ms 192176 KB Output is correct
31 Correct 116 ms 192308 KB Output is correct
32 Correct 116 ms 192308 KB Output is correct
33 Correct 149 ms 192440 KB Output is correct
34 Correct 146 ms 192440 KB Output is correct
35 Correct 143 ms 187028 KB Output is correct
36 Correct 69 ms 181220 KB Output is correct
37 Correct 176 ms 193628 KB Output is correct
38 Correct 206 ms 194684 KB Output is correct
39 Correct 196 ms 194816 KB Output is correct
40 Correct 163 ms 194816 KB Output is correct
41 Correct 213 ms 194816 KB Output is correct
42 Correct 126 ms 192176 KB Output is correct
43 Correct 106 ms 192176 KB Output is correct
44 Correct 123 ms 192308 KB Output is correct
45 Correct 279 ms 196712 KB Output is correct
46 Correct 279 ms 196712 KB Output is correct
47 Memory limit exceeded 253 ms 262144 KB Memory limit exceeded
48 Halted 0 ms 0 KB -