답안 #261369

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
261369	2020-08-11T16:43:49 Z	SpeedOfMagic	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	180 ms	151624 KB

joi2019_ho_t1

#include "bits/stdc++.h"

using namespace std;

#define int long long

signed main() {
	ios::sync_with_stdio(0); cin.tie();
	int h, w;
	cin >> h >> w;
	vector<string> s(h);
	for (int i = 0; i < h; ++i)
		cin >> s[i];
	vector<vector<int>> cnt_o(h, vector<int>(w, 0));
	vector<vector<int>> cnt_i(h, vector<int>(w, 0));

	for (int i = h - 1; i >= 0; --i) {
		for (int j = 0; j < w; ++j) {
			cnt_i[i][j] = ((i + 1 < h) ? cnt_i[i + 1][j] : 0) + (s[i][j] == 'I');
		}
	}

	for (int i = 0; i < h; ++i) {
		for (int j = w - 1; j >= 0; --j) {
			cnt_o[i][j] = ((j + 1 < w) ? cnt_o[i][j + 1] : 0) + (s[i][j] == 'O');
		}
	}
	int ans = 0;
	for (int i = 0; i < h; ++i) {
		for (int j = 0; j < w; ++j) {
			ans += (s[i][j] == 'J') * cnt_i[i][j] * cnt_o[i][j];
		}
	}
	cout << ans;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	512 KB	Output is correct
6	Correct	1 ms	512 KB	Output is correct
7	Correct	1 ms	512 KB	Output is correct
8	Correct	1 ms	512 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct
10	Correct	1 ms	512 KB	Output is correct
11	Correct	1 ms	512 KB	Output is correct
12	Correct	1 ms	512 KB	Output is correct
13	Correct	1 ms	512 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	512 KB	Output is correct
6	Correct	1 ms	512 KB	Output is correct
7	Correct	1 ms	512 KB	Output is correct
8	Correct	1 ms	512 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct
10	Correct	1 ms	512 KB	Output is correct
11	Correct	1 ms	512 KB	Output is correct
12	Correct	1 ms	512 KB	Output is correct
13	Correct	1 ms	512 KB	Output is correct
14	Correct	4 ms	3712 KB	Output is correct
15	Correct	1 ms	512 KB	Output is correct
16	Correct	3 ms	2688 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	6 ms	4864 KB	Output is correct
19	Correct	5 ms	4640 KB	Output is correct
20	Correct	7 ms	4736 KB	Output is correct
21	Correct	5 ms	4864 KB	Output is correct
22	Correct	7 ms	4608 KB	Output is correct
23	Correct	5 ms	4736 KB	Output is correct
24	Correct	6 ms	4736 KB	Output is correct
25	Correct	6 ms	4608 KB	Output is correct
26	Correct	5 ms	4736 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	512 KB	Output is correct
6	Correct	1 ms	512 KB	Output is correct
7	Correct	1 ms	512 KB	Output is correct
8	Correct	1 ms	512 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct
10	Correct	1 ms	512 KB	Output is correct
11	Correct	1 ms	512 KB	Output is correct
12	Correct	1 ms	512 KB	Output is correct
13	Correct	1 ms	512 KB	Output is correct
14	Correct	4 ms	3712 KB	Output is correct
15	Correct	1 ms	512 KB	Output is correct
16	Correct	3 ms	2688 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	6 ms	4864 KB	Output is correct
19	Correct	5 ms	4640 KB	Output is correct
20	Correct	7 ms	4736 KB	Output is correct
21	Correct	5 ms	4864 KB	Output is correct
22	Correct	7 ms	4608 KB	Output is correct
23	Correct	5 ms	4736 KB	Output is correct
24	Correct	6 ms	4736 KB	Output is correct
25	Correct	6 ms	4608 KB	Output is correct
26	Correct	5 ms	4736 KB	Output is correct
27	Correct	168 ms	143192 KB	Output is correct
28	Correct	2 ms	1024 KB	Output is correct
29	Correct	16 ms	11648 KB	Output is correct
30	Correct	1 ms	768 KB	Output is correct
31	Correct	123 ms	105472 KB	Output is correct
32	Correct	167 ms	150776 KB	Output is correct
33	Correct	180 ms	151160 KB	Output is correct
34	Correct	150 ms	122232 KB	Output is correct
35	Correct	168 ms	150520 KB	Output is correct
36	Correct	165 ms	151032 KB	Output is correct
37	Correct	169 ms	151624 KB	Output is correct
38	Correct	121 ms	104568 KB	Output is correct
39	Correct	129 ms	104952 KB	Output is correct