Submission #159382

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
159382	2019-10-22T14:15:49 Z	iefnah06	Bitaro the Brave (JOI19_ho_t1)	C++11	100 / 100	144 ms	88716 KB

joi2019_ho_t1

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

using ll = long long;

const int MAXH = 3010;
const int MAXW = 3010;
int H, W;
char G[MAXH][MAXW];

int sumO[MAXH][MAXW];
int sumI[MAXH][MAXW];

int main() {
	ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	cin >> H >> W;
	for (int i = 0; i < H; i++) {
		cin >> G[i];
	}
	for (int i = 0; i < H; i++) {
		for (int j = 0; j < W; j++) {
			sumO[i][j+1] = sumO[i][j] + (G[i][j] == 'O');
		}
	}
	for (int i = 0; i < H; i++) {
		for (int j = 0; j < W; j++) {
			sumI[i+1][j] = sumI[i][j] + (G[i][j] == 'I');
		}
	}
	ll ans = 0;
	for (int i = 0; i < H; i++) {
		for (int j = 0; j < W; j++) {
			if (G[i][j] == 'J') {
				ans += (sumO[i][W] - sumO[i][j]) * (sumI[H][j] - sumI[i][j]);
			}
		}
	}
	cout << ans << '\n';

	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	3 ms	504 KB	Output is correct
5	Correct	3 ms	1528 KB	Output is correct
6	Correct	3 ms	1528 KB	Output is correct
7	Correct	3 ms	1400 KB	Output is correct
8	Correct	3 ms	1528 KB	Output is correct
9	Correct	3 ms	1528 KB	Output is correct
10	Correct	3 ms	1400 KB	Output is correct
11	Correct	4 ms	1528 KB	Output is correct
12	Correct	3 ms	1528 KB	Output is correct
13	Correct	4 ms	1400 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	3 ms	504 KB	Output is correct
5	Correct	3 ms	1528 KB	Output is correct
6	Correct	3 ms	1528 KB	Output is correct
7	Correct	3 ms	1400 KB	Output is correct
8	Correct	3 ms	1528 KB	Output is correct
9	Correct	3 ms	1528 KB	Output is correct
10	Correct	3 ms	1400 KB	Output is correct
11	Correct	4 ms	1528 KB	Output is correct
12	Correct	3 ms	1528 KB	Output is correct
13	Correct	4 ms	1400 KB	Output is correct
14	Correct	15 ms	7544 KB	Output is correct
15	Correct	7 ms	4984 KB	Output is correct
16	Correct	6 ms	4344 KB	Output is correct
17	Correct	2 ms	504 KB	Output is correct
18	Correct	12 ms	8056 KB	Output is correct
19	Correct	10 ms	7928 KB	Output is correct
20	Correct	10 ms	7928 KB	Output is correct
21	Correct	12 ms	8056 KB	Output is correct
22	Correct	10 ms	7932 KB	Output is correct
23	Correct	10 ms	7928 KB	Output is correct
24	Correct	11 ms	8060 KB	Output is correct
25	Correct	10 ms	7928 KB	Output is correct
26	Correct	10 ms	7932 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	3 ms	504 KB	Output is correct
5	Correct	3 ms	1528 KB	Output is correct
6	Correct	3 ms	1528 KB	Output is correct
7	Correct	3 ms	1400 KB	Output is correct
8	Correct	3 ms	1528 KB	Output is correct
9	Correct	3 ms	1528 KB	Output is correct
10	Correct	3 ms	1400 KB	Output is correct
11	Correct	4 ms	1528 KB	Output is correct
12	Correct	3 ms	1528 KB	Output is correct
13	Correct	4 ms	1400 KB	Output is correct
14	Correct	15 ms	7544 KB	Output is correct
15	Correct	7 ms	4984 KB	Output is correct
16	Correct	6 ms	4344 KB	Output is correct
17	Correct	2 ms	504 KB	Output is correct
18	Correct	12 ms	8056 KB	Output is correct
19	Correct	10 ms	7928 KB	Output is correct
20	Correct	10 ms	7928 KB	Output is correct
21	Correct	12 ms	8056 KB	Output is correct
22	Correct	10 ms	7932 KB	Output is correct
23	Correct	10 ms	7928 KB	Output is correct
24	Correct	11 ms	8060 KB	Output is correct
25	Correct	10 ms	7928 KB	Output is correct
26	Correct	10 ms	7932 KB	Output is correct
27	Correct	135 ms	88212 KB	Output is correct
28	Correct	31 ms	26104 KB	Output is correct
29	Correct	11 ms	7928 KB	Output is correct
30	Correct	3 ms	632 KB	Output is correct
31	Correct	110 ms	72824 KB	Output is correct
32	Correct	104 ms	88568 KB	Output is correct
33	Correct	101 ms	88312 KB	Output is correct
34	Correct	124 ms	84348 KB	Output is correct
35	Correct	106 ms	88716 KB	Output is correct
36	Correct	104 ms	88440 KB	Output is correct
37	Correct	144 ms	88696 KB	Output is correct
38	Correct	91 ms	72668 KB	Output is correct
39	Correct	88 ms	72412 KB	Output is correct