답안 #710525

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
710525	2023-03-15T10:14:14 Z	yellowtoad	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	734 ms	159424 KB

joi2019_ho_t1

#include <iostream>
using namespace std;

long long n, m, psx[3010][3010], psy[3010][3010], ans;
char c[3010][3010];

int main() {
	cin >> n >> m;
	for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) cin >> c[i][j];
	for (int i = 1; i <= n; i++) {
		for (int j = m; j >= 1; j--) {
			psx[i][j] = psx[i][j+1];
			if (c[i][j] == 'O') psx[i][j]++;
		}
	}
	for (int j = 1; j <= m; j++) {
		for (int i = n; i >= 1; i--) {
			psy[i][j] = psy[i+1][j];
			if (c[i][j] == 'I') psy[i][j]++;
		}
	}
	for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) if (c[i][j] == 'J') ans += psx[i][j]*psy[i][j];
	cout << ans << endl;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	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	0 ms	308 KB	Output is correct
5	Correct	2 ms	1492 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	2 ms	1364 KB	Output is correct
8	Correct	1 ms	1464 KB	Output is correct
9	Correct	2 ms	1492 KB	Output is correct
10	Correct	1 ms	1468 KB	Output is correct
11	Correct	2 ms	1492 KB	Output is correct
12	Correct	2 ms	1472 KB	Output is correct
13	Correct	2 ms	1340 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	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	0 ms	308 KB	Output is correct
5	Correct	2 ms	1492 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	2 ms	1364 KB	Output is correct
8	Correct	1 ms	1464 KB	Output is correct
9	Correct	2 ms	1492 KB	Output is correct
10	Correct	1 ms	1468 KB	Output is correct
11	Correct	2 ms	1492 KB	Output is correct
12	Correct	2 ms	1472 KB	Output is correct
13	Correct	2 ms	1340 KB	Output is correct
14	Correct	18 ms	8892 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	11 ms	5312 KB	Output is correct
17	Correct	1 ms	468 KB	Output is correct
18	Correct	21 ms	9940 KB	Output is correct
19	Correct	19 ms	9792 KB	Output is correct
20	Correct	19 ms	9676 KB	Output is correct
21	Correct	21 ms	9932 KB	Output is correct
22	Correct	18 ms	9812 KB	Output is correct
23	Correct	19 ms	9684 KB	Output is correct
24	Correct	20 ms	9932 KB	Output is correct
25	Correct	19 ms	9704 KB	Output is correct
26	Correct	23 ms	9676 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	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	0 ms	308 KB	Output is correct
5	Correct	2 ms	1492 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	2 ms	1364 KB	Output is correct
8	Correct	1 ms	1464 KB	Output is correct
9	Correct	2 ms	1492 KB	Output is correct
10	Correct	1 ms	1468 KB	Output is correct
11	Correct	2 ms	1492 KB	Output is correct
12	Correct	2 ms	1472 KB	Output is correct
13	Correct	2 ms	1340 KB	Output is correct
14	Correct	18 ms	8892 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	11 ms	5312 KB	Output is correct
17	Correct	1 ms	468 KB	Output is correct
18	Correct	21 ms	9940 KB	Output is correct
19	Correct	19 ms	9792 KB	Output is correct
20	Correct	19 ms	9676 KB	Output is correct
21	Correct	21 ms	9932 KB	Output is correct
22	Correct	18 ms	9812 KB	Output is correct
23	Correct	19 ms	9684 KB	Output is correct
24	Correct	20 ms	9932 KB	Output is correct
25	Correct	19 ms	9704 KB	Output is correct
26	Correct	23 ms	9676 KB	Output is correct
27	Correct	685 ms	158816 KB	Output is correct
28	Correct	14 ms	26324 KB	Output is correct
29	Correct	44 ms	13900 KB	Output is correct
30	Correct	2 ms	724 KB	Output is correct
31	Correct	523 ms	131536 KB	Output is correct
32	Correct	686 ms	159308 KB	Output is correct
33	Correct	684 ms	158992 KB	Output is correct
34	Correct	586 ms	152572 KB	Output is correct
35	Correct	674 ms	159424 KB	Output is correct
36	Correct	684 ms	158768 KB	Output is correct
37	Correct	734 ms	159240 KB	Output is correct
38	Correct	491 ms	130824 KB	Output is correct
39	Correct	493 ms	131020 KB	Output is correct