답안 #261367

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
261367	2020-08-11T16:43:11 Z	SpeedOfMagic	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	586 ms	161840 KB

joi2019_ho_t1

#include "bits/stdc++.h"

using namespace std;

#define int long long

signed main() {
	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	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 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	544 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	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 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	544 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	14 ms	3840 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	9 ms	2688 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	17 ms	4992 KB	Output is correct
19	Correct	16 ms	4736 KB	Output is correct
20	Correct	16 ms	4864 KB	Output is correct
21	Correct	17 ms	4992 KB	Output is correct
22	Correct	18 ms	4608 KB	Output is correct
23	Correct	16 ms	4864 KB	Output is correct
24	Correct	17 ms	4992 KB	Output is correct
25	Correct	16 ms	4640 KB	Output is correct
26	Correct	17 ms	4864 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 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	544 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	14 ms	3840 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	9 ms	2688 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	17 ms	4992 KB	Output is correct
19	Correct	16 ms	4736 KB	Output is correct
20	Correct	16 ms	4864 KB	Output is correct
21	Correct	17 ms	4992 KB	Output is correct
22	Correct	18 ms	4608 KB	Output is correct
23	Correct	16 ms	4864 KB	Output is correct
24	Correct	17 ms	4992 KB	Output is correct
25	Correct	16 ms	4640 KB	Output is correct
26	Correct	17 ms	4864 KB	Output is correct
27	Correct	555 ms	153332 KB	Output is correct
28	Correct	3 ms	896 KB	Output is correct
29	Correct	43 ms	12160 KB	Output is correct
30	Correct	2 ms	768 KB	Output is correct
31	Correct	406 ms	114040 KB	Output is correct
32	Correct	581 ms	160760 KB	Output is correct
33	Correct	586 ms	161140 KB	Output is correct
34	Correct	459 ms	132144 KB	Output is correct
35	Correct	576 ms	160888 KB	Output is correct
36	Correct	580 ms	161212 KB	Output is correct
37	Correct	583 ms	161840 KB	Output is correct
38	Correct	419 ms	113272 KB	Output is correct
39	Correct	484 ms	113528 KB	Output is correct