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Submission #1028648

# Submission time Handle Problem Language Result Execution time Memory
1028648 2024-07-20T06:40:43 Z vjudge1 Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 362 ms 262144 KB 
#include<bits/stdc++.h>

using namespace std;

const int inf = 1e9;

int main()
{
  ios::sync_with_stdio(false);
  cin.tie(0), cout.tie(0);
  
  int n, m;
  cin >> n >> m;
  
  int dist[n][m];
  for(int i = 0; i < n; i ++)
    for(int j = 0; j < m ; j++)
      dist[i][j] = inf;

  vector<int> L[n];
  int p[m], b[m];
  for(int i = 0; i < m; i ++)
    {
      cin >> b[i] >> p[i];
      L[b[i]].push_back(i);
    }

  int cnt[n] = {};
  deque<pair<int,int> > Q;
  Q.push_back({b[0], 0});
  dist[b[0]][0] = 0;
  while(Q.size())
    {
      int f = Q.front().first, s = Q.front().second;
      Q.pop_front();
      if(f == b[1])
	{
	  cout << dist[f][s] << endl;
	  exit(0);
	}
      // cerr << f << ' ' << s << ' ' << dist[f][s] << endl;
      // if(cnt[f] <= 2000) {
	for(int res : L[f])
	  if(dist[f][s] < dist[f][res])
	    {
	      dist[f][res] = dist[f][s];
	      Q.push_front({f, res});
	    }
	// cnt[f]++;
      // }
      
      L[f].clear();
      
      if(f + p[s] < n && dist[f][s] + 1 < dist[f + p[s]][s])
	{
	  dist[f + p[s]][s] = dist[f][s] + 1;
	  Q.push_back({f + p[s], s});
	}

      if(f - p[s] >= 0 && dist[f][s] + 1 < dist[f - p[s]][s])
	{
	  dist[f - p[s]][s] = dist[f][s] + 1;
	  Q.push_back({f - p[s], s});
	}
    }

  cout << -1 << endl;
  return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:28:7: warning: unused variable 'cnt' [-Wunused-variable]
   28 |   int cnt[n] = {};
      |       ^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1112 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1112 KB Output is correct
17 Correct 3 ms 5468 KB Output is correct
18 Correct 4 ms 7260 KB Output is correct
19 Correct 3 ms 4700 KB Output is correct
20 Correct 81 ms 16028 KB Output is correct
21 Correct 1 ms 2136 KB Output is correct
22 Correct 3 ms 5468 KB Output is correct
23 Correct 4 ms 6436 KB Output is correct
24 Correct 9 ms 14464 KB Output is correct
25 Correct 10 ms 16220 KB Output is correct
26 Correct 11 ms 15960 KB Output is correct
27 Correct 10 ms 16056 KB Output is correct
28 Correct 10 ms 16216 KB Output is correct
29 Correct 6 ms 6232 KB Output is correct
30 Correct 1 ms 1884 KB Output is correct
31 Correct 4 ms 4952 KB Output is correct
32 Correct 3 ms 4184 KB Output is correct
33 Correct 12 ms 15964 KB Output is correct
34 Correct 10 ms 16220 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 3 ms 5468 KB Output is correct
18 Correct 4 ms 7260 KB Output is correct
19 Correct 3 ms 4696 KB Output is correct
20 Correct 64 ms 16216 KB Output is correct
21 Correct 1 ms 2136 KB Output is correct
22 Correct 3 ms 5468 KB Output is correct
23 Correct 4 ms 6492 KB Output is correct
24 Correct 12 ms 14428 KB Output is correct
25 Correct 9 ms 15964 KB Output is correct
26 Correct 10 ms 15964 KB Output is correct
27 Correct 10 ms 15964 KB Output is correct
28 Correct 11 ms 16168 KB Output is correct
29 Correct 6 ms 6236 KB Output is correct
30 Correct 1 ms 1884 KB Output is correct
31 Correct 4 ms 4952 KB Output is correct
32 Correct 4 ms 4188 KB Output is correct
33 Correct 17 ms 16048 KB Output is correct
34 Correct 13 ms 15980 KB Output is correct
35 Correct 86 ms 145380 KB Output is correct
36 Correct 15 ms 20824 KB Output is correct
37 Correct 85 ms 147792 KB Output is correct
38 Correct 133 ms 235432 KB Output is correct
39 Correct 134 ms 235600 KB Output is correct
40 Correct 131 ms 235664 KB Output is correct
41 Correct 134 ms 235600 KB Output is correct
42 Correct 136 ms 235604 KB Output is correct
43 Correct 130 ms 235600 KB Output is correct
44 Correct 357 ms 236036 KB Output is correct
45 Correct 173 ms 235860 KB Output is correct
46 Correct 152 ms 235860 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 3 ms 5468 KB Output is correct
18 Correct 4 ms 7256 KB Output is correct
19 Correct 3 ms 4696 KB Output is correct
20 Correct 83 ms 16244 KB Output is correct
21 Correct 1 ms 2136 KB Output is correct
22 Correct 3 ms 5464 KB Output is correct
23 Correct 4 ms 6452 KB Output is correct
24 Correct 9 ms 14428 KB Output is correct
25 Correct 9 ms 16220 KB Output is correct
26 Correct 10 ms 16000 KB Output is correct
27 Correct 10 ms 15964 KB Output is correct
28 Correct 11 ms 16220 KB Output is correct
29 Correct 6 ms 6236 KB Output is correct
30 Correct 1 ms 1884 KB Output is correct
31 Correct 4 ms 4956 KB Output is correct
32 Correct 3 ms 4188 KB Output is correct
33 Correct 20 ms 15964 KB Output is correct
34 Correct 14 ms 15964 KB Output is correct
35 Correct 90 ms 145376 KB Output is correct
36 Correct 13 ms 20572 KB Output is correct
37 Correct 98 ms 147780 KB Output is correct
38 Correct 171 ms 235440 KB Output is correct
39 Correct 128 ms 235600 KB Output is correct
40 Correct 138 ms 235604 KB Output is correct
41 Correct 220 ms 235604 KB Output is correct
42 Correct 138 ms 235604 KB Output is correct
43 Correct 144 ms 235756 KB Output is correct
44 Correct 362 ms 236112 KB Output is correct
45 Correct 178 ms 235936 KB Output is correct
46 Correct 176 ms 235960 KB Output is correct
47 Runtime error 124 ms 262144 KB Execution killed with signal 9
48 Halted 0 ms 0 KB -