oj.uz

Submission #895423

# Submission time Handle Problem Language Result Execution time Memory
895423 2023-12-29T23:29:31 Z Richw818 Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 182 ms 54424 KB 
#include <bits/stdc++.h>

using namespace std;

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  int h, w;
  cin >> h >> w;
  vector<string> grid(h);
  for (int i = 0; i < h; i++) {
    cin >> grid[i];
  }
  vector<vector<int>> ibelow(h, vector<int>(w));
  for (int c = 0; c < w; c++) {
    int i = 0;
    for (int r = h - 1; r >= 0; r--) {
      i += (grid[r][c] == 'I');
      ibelow[r][c] = i;
    }
  }
  long long ans = 0;
  for (int r = 0; r < h; r++) {
    int o = 0;
    for (int c = w - 1; c >= 0; c--) {
      o += (grid[r][c] == 'O');
      if (grid[r][c] == 'J') {
        ans += ibelow[r][c] * o;
      }
    }
  }
  cout << ans << '\n';
  return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 456 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 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 456 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 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 2 ms 1548 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 2 ms 1232 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 2 ms 1884 KB Output is correct
20 Correct 2 ms 1884 KB Output is correct
21 Correct 2 ms 1880 KB Output is correct
22 Correct 2 ms 1884 KB Output is correct
23 Correct 3 ms 1884 KB Output is correct
24 Correct 3 ms 1884 KB Output is correct
25 Correct 2 ms 1704 KB Output is correct
26 Correct 2 ms 1884 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 456 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 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 2 ms 1548 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 2 ms 1232 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 2 ms 1884 KB Output is correct
20 Correct 2 ms 1884 KB Output is correct
21 Correct 2 ms 1880 KB Output is correct
22 Correct 2 ms 1884 KB Output is correct
23 Correct 3 ms 1884 KB Output is correct
24 Correct 3 ms 1884 KB Output is correct
25 Correct 2 ms 1704 KB Output is correct
26 Correct 2 ms 1884 KB Output is correct
27 Correct 167 ms 51260 KB Output is correct
28 Correct 1 ms 856 KB Output is correct
29 Correct 4 ms 4276 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 112 ms 37852 KB Output is correct
32 Correct 156 ms 53844 KB Output is correct
33 Correct 163 ms 54240 KB Output is correct
34 Correct 123 ms 43828 KB Output is correct
35 Correct 161 ms 53940 KB Output is correct
36 Correct 165 ms 54252 KB Output is correct
37 Correct 182 ms 54424 KB Output is correct
38 Correct 97 ms 37456 KB Output is correct
39 Correct 97 ms 37708 KB Output is correct