Submission #162707

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
162707	2019-11-09T12:05:14 Z	NachoLibre	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	547 ms	220792 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;

long long n, m, d[3003][3003][3], fp;
char a;

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> m;
	for(int i = 1; i <= n; ++i) {
		for(int j = 1; j <= m; ++j) {
			cin >> a;
			if(a == 'J') d[i][j][0] = 1;
			else if(a == 'O') d[i][j][1] = 1;
			else d[i][j][2] = 1;
		}
	}
	for(int i = n; i; --i) {
		for(int j = m; j; --j) {
			d[i][j][1] += d[i][j + 1][1];
			d[i][j][2] += d[i + 1][j][2];
		}
	}
	for(int i = 1; i <= n; ++i) {
		for(int j = 1; j <= m; ++j) {
			if(d[i][j][0]) {
				fp += d[i][j][1] * d[i][j][2];
			}
		}
	}
	cout << fp << endl;
	return 0;
}

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	1016 KB	Output is correct
6	Correct	3 ms	888 KB	Output is correct
7	Correct	2 ms	888 KB	Output is correct
8	Correct	3 ms	1016 KB	Output is correct
9	Correct	3 ms	1016 KB	Output is correct
10	Correct	3 ms	888 KB	Output is correct
11	Correct	3 ms	1016 KB	Output is correct
12	Correct	3 ms	1016 KB	Output is correct
13	Correct	3 ms	888 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	1016 KB	Output is correct
6	Correct	3 ms	888 KB	Output is correct
7	Correct	2 ms	888 KB	Output is correct
8	Correct	3 ms	1016 KB	Output is correct
9	Correct	3 ms	1016 KB	Output is correct
10	Correct	3 ms	888 KB	Output is correct
11	Correct	3 ms	1016 KB	Output is correct
12	Correct	3 ms	1016 KB	Output is correct
13	Correct	3 ms	888 KB	Output is correct
14	Correct	15 ms	6904 KB	Output is correct
15	Correct	4 ms	2300 KB	Output is correct
16	Correct	8 ms	4472 KB	Output is correct
17	Correct	2 ms	508 KB	Output is correct
18	Correct	17 ms	8312 KB	Output is correct
19	Correct	14 ms	8056 KB	Output is correct
20	Correct	14 ms	8184 KB	Output is correct
21	Correct	17 ms	8440 KB	Output is correct
22	Correct	13 ms	8184 KB	Output is correct
23	Correct	14 ms	8312 KB	Output is correct
24	Correct	18 ms	8440 KB	Output is correct
25	Correct	13 ms	8184 KB	Output is correct
26	Correct	13 ms	8312 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	1016 KB	Output is correct
6	Correct	3 ms	888 KB	Output is correct
7	Correct	2 ms	888 KB	Output is correct
8	Correct	3 ms	1016 KB	Output is correct
9	Correct	3 ms	1016 KB	Output is correct
10	Correct	3 ms	888 KB	Output is correct
11	Correct	3 ms	1016 KB	Output is correct
12	Correct	3 ms	1016 KB	Output is correct
13	Correct	3 ms	888 KB	Output is correct
14	Correct	15 ms	6904 KB	Output is correct
15	Correct	4 ms	2300 KB	Output is correct
16	Correct	8 ms	4472 KB	Output is correct
17	Correct	2 ms	508 KB	Output is correct
18	Correct	17 ms	8312 KB	Output is correct
19	Correct	14 ms	8056 KB	Output is correct
20	Correct	14 ms	8184 KB	Output is correct
21	Correct	17 ms	8440 KB	Output is correct
22	Correct	13 ms	8184 KB	Output is correct
23	Correct	14 ms	8312 KB	Output is correct
24	Correct	18 ms	8440 KB	Output is correct
25	Correct	13 ms	8184 KB	Output is correct
26	Correct	13 ms	8312 KB	Output is correct
27	Correct	547 ms	212116 KB	Output is correct
28	Correct	10 ms	10588 KB	Output is correct
29	Correct	28 ms	17272 KB	Output is correct
30	Correct	3 ms	1016 KB	Output is correct
31	Correct	343 ms	163396 KB	Output is correct
32	Correct	383 ms	220700 KB	Output is correct
33	Correct	357 ms	220044 KB	Output is correct
34	Correct	403 ms	189368 KB	Output is correct
35	Correct	392 ms	220788 KB	Output is correct
36	Correct	356 ms	219932 KB	Output is correct
37	Correct	518 ms	220792 KB	Output is correct
38	Correct	270 ms	162060 KB	Output is correct
39	Correct	255 ms	162660 KB	Output is correct