oj.uz

Submission #166936

# Submission time Handle Problem Language Result Execution time Memory
166936 2019-12-04T17:23:20 Z johutha Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 879 ms 212888 KB 
#include <vector>
#include <iostream>

#define int int64_t

using namespace std;

signed main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int h, w;
	cin >> h >> w;

	vector<vector<int>> pref_o(h, vector<int>(w + 1));
	vector<vector<int>> pref_i(w, vector<int>(h + 1));

	vector<pair<int,int>> js;

	for (int i = 0; i < h; i++)
	{
		for (int j = 0; j < w; j++)
		{
			pref_o[i][j + 1] = pref_o[i][j];
			pref_i[j][i + 1] = pref_i[j][i];
			char c;
			cin >> c;

			if (c == 'J') js.push_back({i, j});
			else if (c == 'I') pref_i[j][i + 1]++;
			else if (c == 'O') pref_o[i][j + 1]++;
		}
	}

	int ans = 0;

	for (auto p : js)
	{
		ans += (pref_i[p.second][h] - pref_i[p.second][p.first])*(pref_o[p.first][w] - pref_o[p.first][p.second]);
	}

	cout << ans << "\n";
}

Subtask #1
20.0 / 20.0

# 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 2 ms 376 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 3 ms 632 KB Output is correct
11 Correct 3 ms 632 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 632 KB Output is correct

Subtask #2
30.0 / 30.0

# 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 2 ms 376 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 3 ms 632 KB Output is correct
11 Correct 3 ms 632 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 632 KB Output is correct
14 Correct 14 ms 4728 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 9 ms 3696 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 20 ms 6792 KB Output is correct
19 Correct 14 ms 5108 KB Output is correct
20 Correct 17 ms 6636 KB Output is correct
21 Correct 19 ms 6772 KB Output is correct
22 Correct 15 ms 6636 KB Output is correct
23 Correct 15 ms 6632 KB Output is correct
24 Correct 19 ms 6768 KB Output is correct
25 Correct 13 ms 4980 KB Output is correct
26 Correct 15 ms 6636 KB Output is correct

Subtask #3
50.0 / 50.0

# 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 2 ms 376 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 3 ms 632 KB Output is correct
11 Correct 3 ms 632 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 632 KB Output is correct
14 Correct 14 ms 4728 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 9 ms 3696 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 20 ms 6792 KB Output is correct
19 Correct 14 ms 5108 KB Output is correct
20 Correct 17 ms 6636 KB Output is correct
21 Correct 19 ms 6772 KB Output is correct
22 Correct 15 ms 6636 KB Output is correct
23 Correct 15 ms 6632 KB Output is correct
24 Correct 19 ms 6768 KB Output is correct
25 Correct 13 ms 4980 KB Output is correct
26 Correct 15 ms 6636 KB Output is correct
27 Correct 797 ms 205924 KB Output is correct
28 Correct 4 ms 1272 KB Output is correct
29 Correct 49 ms 15460 KB Output is correct
30 Correct 4 ms 1016 KB Output is correct
31 Correct 563 ms 137084 KB Output is correct
32 Correct 676 ms 162988 KB Output is correct
33 Correct 821 ms 211204 KB Output is correct
34 Correct 695 ms 186472 KB Output is correct
35 Correct 838 ms 212888 KB Output is correct
36 Correct 853 ms 211100 KB Output is correct
37 Correct 879 ms 212632 KB Output is correct
38 Correct 471 ms 119288 KB Output is correct
39 Correct 535 ms 136728 KB Output is correct