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Submission #155687

# Submission time Handle Problem Language Result Execution time Memory
155687 2019-09-29T20:46:17 Z flashmt Rectangles (IOI19_rect) C++17
72 / 100
 5000 ms 195428 KB 
#include <bits/stdc++.h>
using namespace std;

vector<vector<int>> stRow, stCol, lastRow, lastCol, cntRow, cntCol;

long long solve(vector<pair<int, int>> &rows, vector<pair<int, int>> &cols)
{
  long long res = 0;
  sort(rows.begin(), rows.end());
  sort(cols.begin(), cols.end());
  for (auto u : rows)
    for (auto v : cols)
      res += v.second >= u.second && u.first >= v.first;
  return res;
}

long long count_rectangles(vector<vector<int>> a)
{
  int m = a.size(), n = a[0].size();
  stRow = vector<vector<int>>(m, vector<int>(1, 0));
  stCol = vector<vector<int>>(n, vector<int>(1, 0));
  lastRow = vector<vector<int>>(m, vector<int>(m, -1));
  lastCol = vector<vector<int>>(n, vector<int>(n, -1));
  cntRow = vector<vector<int>>(m, vector<int>(m, 0));
  cntCol = vector<vector<int>>(n, vector<int>(n, 0));

  long long ans = 0;
  for (int i = 0; i < m - 1; i++)
    for (int j = 0; j < n - 1; j++)
    {
      // row
      int hasEqual = 0;
      vector<pair<int, int>> cols;
      while (!stRow[i].empty())
      {
        int k = stRow[i].back();
        if (!hasEqual)
        {
          if (lastCol[k][j + 1] + 1 == i) cntCol[k][j + 1]++;
          else cntCol[k][j + 1] = 1;
          lastCol[k][j + 1] = i;
          if (j > k)
            cols.push_back({j - k, cntCol[k][j + 1]});
        }
        if (a[i][j + 1] < a[i][k])
          break;
        if (a[i][j + 1] == a[i][k])
          hasEqual = 1;
        stRow[i].pop_back();
      }
      stRow[i].push_back(j + 1);

      // col
      hasEqual = 0;
      vector<pair<int, int>> rows;
      while (!stCol[j].empty())
      {
        int k = stCol[j].back();
        if (!hasEqual)
        {
          if (lastRow[k][i + 1] + 1 == j) cntRow[k][i + 1]++;
          else cntRow[k][i + 1] = 1;
          lastRow[k][i + 1] = j;
          if (i > k)
            rows.push_back({cntRow[k][i + 1], i - k});
        }
        if (a[i + 1][j] < a[k][j])
          break;
        if (a[i + 1][j] == a[k][j])
          hasEqual = 1;
        stCol[j].pop_back();
      }
      stCol[j].push_back(i + 1);

      ans += solve(rows, cols);
    }

  return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 10 ms 404 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 10 ms 404 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 3 ms 632 KB Output is correct
18 Correct 3 ms 636 KB Output is correct
19 Correct 3 ms 632 KB Output is correct
20 Correct 3 ms 504 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 3 ms 504 KB Output is correct
23 Correct 3 ms 508 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 256 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 10 ms 404 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 3 ms 632 KB Output is correct
18 Correct 3 ms 636 KB Output is correct
19 Correct 3 ms 632 KB Output is correct
20 Correct 3 ms 504 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 3 ms 504 KB Output is correct
23 Correct 3 ms 508 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 8 ms 1912 KB Output is correct
26 Correct 9 ms 1912 KB Output is correct
27 Correct 9 ms 2040 KB Output is correct
28 Correct 7 ms 1400 KB Output is correct
29 Correct 11 ms 1528 KB Output is correct
30 Correct 12 ms 1656 KB Output is correct
31 Correct 11 ms 1656 KB Output is correct
32 Correct 11 ms 1656 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 256 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 10 ms 404 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 3 ms 632 KB Output is correct
18 Correct 3 ms 636 KB Output is correct
19 Correct 3 ms 632 KB Output is correct
20 Correct 3 ms 504 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 3 ms 504 KB Output is correct
23 Correct 3 ms 508 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 8 ms 1912 KB Output is correct
26 Correct 9 ms 1912 KB Output is correct
27 Correct 9 ms 2040 KB Output is correct
28 Correct 7 ms 1400 KB Output is correct
29 Correct 11 ms 1528 KB Output is correct
30 Correct 12 ms 1656 KB Output is correct
31 Correct 11 ms 1656 KB Output is correct
32 Correct 11 ms 1656 KB Output is correct
33 Correct 215 ms 15984 KB Output is correct
34 Correct 88 ms 15992 KB Output is correct
35 Correct 94 ms 16120 KB Output is correct
36 Correct 102 ms 15980 KB Output is correct
37 Correct 98 ms 18808 KB Output is correct
38 Correct 98 ms 18740 KB Output is correct
39 Correct 98 ms 18744 KB Output is correct
40 Correct 91 ms 17784 KB Output is correct
41 Correct 84 ms 13148 KB Output is correct
42 Correct 70 ms 13048 KB Output is correct
43 Correct 126 ms 13176 KB Output is correct
44 Correct 134 ms 13312 KB Output is correct
45 Correct 64 ms 8184 KB Output is correct
46 Correct 67 ms 8312 KB Output is correct
47 Correct 119 ms 13200 KB Output is correct
48 Correct 125 ms 13304 KB Output is correct
49 Correct 2 ms 256 KB Output is correct
50 Correct 2 ms 256 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 2 ms 256 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 49772 KB Output is correct
2 Correct 37 ms 36088 KB Output is correct
3 Correct 44 ms 49632 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 54 ms 49740 KB Output is correct
6 Correct 47 ms 49760 KB Output is correct
7 Correct 45 ms 49660 KB Output is correct
8 Correct 51 ms 49656 KB Output is correct
9 Correct 51 ms 49656 KB Output is correct
10 Correct 43 ms 49656 KB Output is correct
11 Correct 45 ms 49656 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 408 ms 78144 KB Output is correct
3 Correct 854 ms 148092 KB Output is correct
4 Correct 860 ms 149096 KB Output is correct
5 Correct 876 ms 149240 KB Output is correct
6 Correct 297 ms 87032 KB Output is correct
7 Correct 567 ms 140152 KB Output is correct
8 Correct 624 ms 149112 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 256 KB Output is correct

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 10 ms 404 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 3 ms 632 KB Output is correct
18 Correct 3 ms 636 KB Output is correct
19 Correct 3 ms 632 KB Output is correct
20 Correct 3 ms 504 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 3 ms 504 KB Output is correct
23 Correct 3 ms 508 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 8 ms 1912 KB Output is correct
26 Correct 9 ms 1912 KB Output is correct
27 Correct 9 ms 2040 KB Output is correct
28 Correct 7 ms 1400 KB Output is correct
29 Correct 11 ms 1528 KB Output is correct
30 Correct 12 ms 1656 KB Output is correct
31 Correct 11 ms 1656 KB Output is correct
32 Correct 11 ms 1656 KB Output is correct
33 Correct 215 ms 15984 KB Output is correct
34 Correct 88 ms 15992 KB Output is correct
35 Correct 94 ms 16120 KB Output is correct
36 Correct 102 ms 15980 KB Output is correct
37 Correct 98 ms 18808 KB Output is correct
38 Correct 98 ms 18740 KB Output is correct
39 Correct 98 ms 18744 KB Output is correct
40 Correct 91 ms 17784 KB Output is correct
41 Correct 84 ms 13148 KB Output is correct
42 Correct 70 ms 13048 KB Output is correct
43 Correct 126 ms 13176 KB Output is correct
44 Correct 134 ms 13312 KB Output is correct
45 Correct 64 ms 8184 KB Output is correct
46 Correct 67 ms 8312 KB Output is correct
47 Correct 119 ms 13200 KB Output is correct
48 Correct 125 ms 13304 KB Output is correct
49 Correct 45 ms 49772 KB Output is correct
50 Correct 37 ms 36088 KB Output is correct
51 Correct 44 ms 49632 KB Output is correct
52 Correct 2 ms 256 KB Output is correct
53 Correct 54 ms 49740 KB Output is correct
54 Correct 47 ms 49760 KB Output is correct
55 Correct 45 ms 49660 KB Output is correct
56 Correct 51 ms 49656 KB Output is correct
57 Correct 51 ms 49656 KB Output is correct
58 Correct 43 ms 49656 KB Output is correct
59 Correct 45 ms 49656 KB Output is correct
60 Correct 2 ms 256 KB Output is correct
61 Correct 408 ms 78144 KB Output is correct
62 Correct 854 ms 148092 KB Output is correct
63 Correct 860 ms 149096 KB Output is correct
64 Correct 876 ms 149240 KB Output is correct
65 Correct 297 ms 87032 KB Output is correct
66 Correct 567 ms 140152 KB Output is correct
67 Correct 624 ms 149112 KB Output is correct
68 Execution timed out 5085 ms 195428 KB Time limit exceeded
69 Halted 0 ms 0 KB -