답안 #166936

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
166936	2019-12-04T17:23:20 Z	johutha	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	879 ms	212888 KB

joi2019_ho_t1

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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