Submission #864191

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
864191	2023-10-22T08:18:35 Z	MongHwa	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	186 ms	160188 KB

joi2019_ho_t1

#include <iostream>
using namespace std;

#define ll long long

string stage[3001];
ll psum1[3005][3005], psum2[3005][3005];

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);

	int h, w;
	cin >> h >> w;

	for(int i = 0; i < h; i++)
		cin >> stage[i];

	for(int i = h-1; i >= 0; i--)
		for(int j = w-1; j >= 0; j--)
		{
			psum1[i][j] = psum1[i][j+1];
			if(stage[i][j] == 'O')
				psum1[i][j]++;

			psum2[j][i] = psum2[j][i+1];
			if(stage[i][j] == 'I')
				psum2[j][i]++;
		}

	ll ans = 0;
	for(int i = 0; i < h; i++)
		for(int j = 0; j < w; j++)
			if(stage[i][j] == 'J')
				ans += psum1[i][j]*psum2[j][i];

	cout << ans << '\n';
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	604 KB	Output is correct
5	Correct	1 ms	1624 KB	Output is correct
6	Correct	1 ms	1372 KB	Output is correct
7	Correct	1 ms	1372 KB	Output is correct
8	Correct	1 ms	1372 KB	Output is correct
9	Correct	1 ms	1372 KB	Output is correct
10	Correct	1 ms	1372 KB	Output is correct
11	Correct	1 ms	1332 KB	Output is correct
12	Correct	2 ms	1372 KB	Output is correct
13	Correct	1 ms	1372 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	604 KB	Output is correct
5	Correct	1 ms	1624 KB	Output is correct
6	Correct	1 ms	1372 KB	Output is correct
7	Correct	1 ms	1372 KB	Output is correct
8	Correct	1 ms	1372 KB	Output is correct
9	Correct	1 ms	1372 KB	Output is correct
10	Correct	1 ms	1372 KB	Output is correct
11	Correct	1 ms	1332 KB	Output is correct
12	Correct	2 ms	1372 KB	Output is correct
13	Correct	1 ms	1372 KB	Output is correct
14	Correct	6 ms	10552 KB	Output is correct
15	Correct	1 ms	2140 KB	Output is correct
16	Correct	4 ms	7256 KB	Output is correct
17	Correct	1 ms	1628 KB	Output is correct
18	Correct	8 ms	11692 KB	Output is correct
19	Correct	5 ms	11356 KB	Output is correct
20	Correct	6 ms	10244 KB	Output is correct
21	Correct	7 ms	11604 KB	Output is correct
22	Correct	6 ms	11328 KB	Output is correct
23	Correct	5 ms	10076 KB	Output is correct
24	Correct	8 ms	11612 KB	Output is correct
25	Correct	5 ms	11324 KB	Output is correct
26	Correct	5 ms	10044 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	604 KB	Output is correct
5	Correct	1 ms	1624 KB	Output is correct
6	Correct	1 ms	1372 KB	Output is correct
7	Correct	1 ms	1372 KB	Output is correct
8	Correct	1 ms	1372 KB	Output is correct
9	Correct	1 ms	1372 KB	Output is correct
10	Correct	1 ms	1372 KB	Output is correct
11	Correct	1 ms	1332 KB	Output is correct
12	Correct	2 ms	1372 KB	Output is correct
13	Correct	1 ms	1372 KB	Output is correct
14	Correct	6 ms	10552 KB	Output is correct
15	Correct	1 ms	2140 KB	Output is correct
16	Correct	4 ms	7256 KB	Output is correct
17	Correct	1 ms	1628 KB	Output is correct
18	Correct	8 ms	11692 KB	Output is correct
19	Correct	5 ms	11356 KB	Output is correct
20	Correct	6 ms	10244 KB	Output is correct
21	Correct	7 ms	11604 KB	Output is correct
22	Correct	6 ms	11328 KB	Output is correct
23	Correct	5 ms	10076 KB	Output is correct
24	Correct	8 ms	11612 KB	Output is correct
25	Correct	5 ms	11324 KB	Output is correct
26	Correct	5 ms	10044 KB	Output is correct
27	Correct	184 ms	155824 KB	Output is correct
28	Correct	5 ms	10340 KB	Output is correct
29	Correct	14 ms	23052 KB	Output is correct
30	Correct	5 ms	10076 KB	Output is correct
31	Correct	138 ms	130712 KB	Output is correct
32	Correct	154 ms	159432 KB	Output is correct
33	Correct	141 ms	159684 KB	Output is correct
34	Correct	149 ms	142276 KB	Output is correct
35	Correct	148 ms	159440 KB	Output is correct
36	Correct	150 ms	159848 KB	Output is correct
37	Correct	186 ms	160188 KB	Output is correct
38	Correct	97 ms	130216 KB	Output is correct
39	Correct	106 ms	130452 KB	Output is correct