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Submission #668239

# Submission time Handle Problem Language Result Execution time Memory
668239 2022-12-03T12:12:16 Z 600Mihnea Collecting Mushrooms (NOI18_collectmushrooms) C++17
60 / 100
 2000 ms 3676 KB 
#include <bits/stdc++.h>


using namespace std;

int main()
{
#ifdef ONPC
  freopen ("input.txt", "r", stdin);
#endif // ONPC

#ifndef ONPC
  ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#endif // ONPC

  int n, m, r, need;
  cin >> n >> m >> r >> need;
  vector<pair<int, int>> mus, spr;
  for (int i = 0; i < n; i++)
  {
    string s;
    cin >> s;
    assert((int) s.size() == m);
    for (int j = 0; j < m; j++)
    {
      char ch = s[j];
      if (ch == '.')
      {
        continue;
      }
      if (ch == 'S')
      {
        spr.push_back({i, j});
        continue;
      }
      if (ch == 'M')
      {
        mus.push_back({i, j});
        continue;
      }
      assert(0);
    }
  }
  int sol = 0;
  for (auto &it : mus)
  {
    int cnt = 0;
    for (auto &j : spr)
    {
      int d = max(abs(j.first - it.first), abs(j.second - it.second));
      if (d <= r)
      {
        cnt++;
      }
    }
    sol += (cnt >= need);
  }
  cout << sol << "\n";
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 20 ms 404 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 20 ms 404 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 320 KB Output is correct
8 Correct 14 ms 328 KB Output is correct
9 Correct 3 ms 316 KB Output is correct
10 Correct 1 ms 212 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 7 ms 400 KB Output is correct
3 Correct 9 ms 468 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 1 ms 436 KB Output is correct

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2090 ms 3676 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 20 ms 404 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 320 KB Output is correct
8 Correct 14 ms 328 KB Output is correct
9 Correct 3 ms 316 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 7 ms 400 KB Output is correct
13 Correct 9 ms 468 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 432 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 436 KB Output is correct
21 Execution timed out 2090 ms 3676 KB Time limit exceeded
22 Halted 0 ms 0 KB -