Submission #782893

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
782893	2023-07-14T11:15:28 Z	acatmeowmeow	Bitaro the Brave (JOI19_ho_t1)	C++11	100 / 100	230 ms	79880 KB

joi2019_ho_t1

#include <bits/stdc++.h>

using namespace std;

#define int long long 

const int N = 3e3 + 5;
int n, m, arr[N][N], row[N][5], col[N][5];

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cin >> n >> m;
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= m; j++) {
			char ch;
			cin >> ch;
			if (ch == 'J') arr[i][j] = 0;
			else if (ch == 'O') arr[i][j] = 1;
			else arr[i][j] = 2;
		}
	}
	int ans = 0;
	for (int i = n; i >= 1; i--) {
		for (int j = m; j >= 1; j--) {
			if (!arr[i][j]) ans += row[i][1]*col[j][2];
			row[i][arr[i][j]]++;
			col[j][arr[i][j]]++;
		}
	}
	cout << ans << '\n';
	return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	724 KB	Output is correct
6	Correct	1 ms	724 KB	Output is correct
7	Correct	1 ms	724 KB	Output is correct
8	Correct	1 ms	724 KB	Output is correct
9	Correct	1 ms	724 KB	Output is correct
10	Correct	1 ms	724 KB	Output is correct
11	Correct	1 ms	724 KB	Output is correct
12	Correct	1 ms	724 KB	Output is correct
13	Correct	1 ms	724 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	724 KB	Output is correct
6	Correct	1 ms	724 KB	Output is correct
7	Correct	1 ms	724 KB	Output is correct
8	Correct	1 ms	724 KB	Output is correct
9	Correct	1 ms	724 KB	Output is correct
10	Correct	1 ms	724 KB	Output is correct
11	Correct	1 ms	724 KB	Output is correct
12	Correct	1 ms	724 KB	Output is correct
13	Correct	1 ms	724 KB	Output is correct
14	Correct	6 ms	3868 KB	Output is correct
15	Correct	1 ms	2004 KB	Output is correct
16	Correct	2 ms	2412 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	7 ms	4308 KB	Output is correct
19	Correct	5 ms	4180 KB	Output is correct
20	Correct	4 ms	4180 KB	Output is correct
21	Correct	7 ms	4308 KB	Output is correct
22	Correct	5 ms	4180 KB	Output is correct
23	Correct	5 ms	4180 KB	Output is correct
24	Correct	8 ms	4340 KB	Output is correct
25	Correct	5 ms	4180 KB	Output is correct
26	Correct	4 ms	4180 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	724 KB	Output is correct
6	Correct	1 ms	724 KB	Output is correct
7	Correct	1 ms	724 KB	Output is correct
8	Correct	1 ms	724 KB	Output is correct
9	Correct	1 ms	724 KB	Output is correct
10	Correct	1 ms	724 KB	Output is correct
11	Correct	1 ms	724 KB	Output is correct
12	Correct	1 ms	724 KB	Output is correct
13	Correct	1 ms	724 KB	Output is correct
14	Correct	6 ms	3868 KB	Output is correct
15	Correct	1 ms	2004 KB	Output is correct
16	Correct	2 ms	2412 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	7 ms	4308 KB	Output is correct
19	Correct	5 ms	4180 KB	Output is correct
20	Correct	4 ms	4180 KB	Output is correct
21	Correct	7 ms	4308 KB	Output is correct
22	Correct	5 ms	4180 KB	Output is correct
23	Correct	5 ms	4180 KB	Output is correct
24	Correct	8 ms	4340 KB	Output is correct
25	Correct	5 ms	4180 KB	Output is correct
26	Correct	4 ms	4180 KB	Output is correct
27	Correct	218 ms	71116 KB	Output is correct
28	Correct	5 ms	9940 KB	Output is correct
29	Correct	9 ms	6484 KB	Output is correct
30	Correct	1 ms	596 KB	Output is correct
31	Correct	160 ms	59244 KB	Output is correct
32	Correct	147 ms	71080 KB	Output is correct
33	Correct	126 ms	70860 KB	Output is correct
34	Correct	186 ms	68688 KB	Output is correct
35	Correct	143 ms	71024 KB	Output is correct
36	Correct	144 ms	70796 KB	Output is correct
37	Correct	230 ms	79880 KB	Output is correct
38	Correct	108 ms	65104 KB	Output is correct
39	Correct	111 ms	65132 KB	Output is correct