Submission #529787

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
529787	2022-02-23T16:37:19 Z	Hanksburger	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	160 ms	88584 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
int O[3005][3005], I[3005][3005];
char a[3005][3005];
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n, m;
	cin >> n >> m;
	for (int i=1; i<=n; i++)
		for (int j=1; j<=m; j++)
			cin >> a[i][j];
	long long ans=0;
	for (int i=n; i>=1; i--)
	{
		for (int j=m; j>=1; j--)
		{
			O[i][j]=O[i][j+1]+(a[i][j]=='O');
			I[i][j]=I[i+1][j]+(a[i][j]=='I');
			ans+=O[i][j]*I[i][j]*(a[i][j]=='J');
		}
	}
	cout << ans;
	return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	324 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	1484 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	1 ms	1356 KB	Output is correct
8	Correct	1 ms	1484 KB	Output is correct
9	Correct	1 ms	1484 KB	Output is correct
10	Correct	1 ms	1356 KB	Output is correct
11	Correct	1 ms	1484 KB	Output is correct
12	Correct	1 ms	1484 KB	Output is correct
13	Correct	1 ms	1356 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	324 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	1484 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	1 ms	1356 KB	Output is correct
8	Correct	1 ms	1484 KB	Output is correct
9	Correct	1 ms	1484 KB	Output is correct
10	Correct	1 ms	1356 KB	Output is correct
11	Correct	1 ms	1484 KB	Output is correct
12	Correct	1 ms	1484 KB	Output is correct
13	Correct	1 ms	1356 KB	Output is correct
14	Correct	6 ms	7500 KB	Output is correct
15	Correct	2 ms	4940 KB	Output is correct
16	Correct	4 ms	4300 KB	Output is correct
17	Correct	1 ms	460 KB	Output is correct
18	Correct	10 ms	8008 KB	Output is correct
19	Correct	8 ms	7876 KB	Output is correct
20	Correct	10 ms	7888 KB	Output is correct
21	Correct	7 ms	8012 KB	Output is correct
22	Correct	7 ms	7892 KB	Output is correct
23	Correct	7 ms	7760 KB	Output is correct
24	Correct	7 ms	8012 KB	Output is correct
25	Correct	7 ms	7884 KB	Output is correct
26	Correct	7 ms	7756 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	324 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	1484 KB	Output is correct
6	Correct	1 ms	1492 KB	Output is correct
7	Correct	1 ms	1356 KB	Output is correct
8	Correct	1 ms	1484 KB	Output is correct
9	Correct	1 ms	1484 KB	Output is correct
10	Correct	1 ms	1356 KB	Output is correct
11	Correct	1 ms	1484 KB	Output is correct
12	Correct	1 ms	1484 KB	Output is correct
13	Correct	1 ms	1356 KB	Output is correct
14	Correct	6 ms	7500 KB	Output is correct
15	Correct	2 ms	4940 KB	Output is correct
16	Correct	4 ms	4300 KB	Output is correct
17	Correct	1 ms	460 KB	Output is correct
18	Correct	10 ms	8008 KB	Output is correct
19	Correct	8 ms	7876 KB	Output is correct
20	Correct	10 ms	7888 KB	Output is correct
21	Correct	7 ms	8012 KB	Output is correct
22	Correct	7 ms	7892 KB	Output is correct
23	Correct	7 ms	7760 KB	Output is correct
24	Correct	7 ms	8012 KB	Output is correct
25	Correct	7 ms	7884 KB	Output is correct
26	Correct	7 ms	7756 KB	Output is correct
27	Correct	150 ms	87884 KB	Output is correct
28	Correct	14 ms	26028 KB	Output is correct
29	Correct	12 ms	7756 KB	Output is correct
30	Correct	1 ms	588 KB	Output is correct
31	Correct	113 ms	72488 KB	Output is correct
32	Correct	160 ms	88360 KB	Output is correct
33	Correct	152 ms	88132 KB	Output is correct
34	Correct	128 ms	84032 KB	Output is correct
35	Correct	155 ms	88360 KB	Output is correct
36	Correct	155 ms	88108 KB	Output is correct
37	Correct	158 ms	88584 KB	Output is correct
38	Correct	108 ms	72416 KB	Output is correct
39	Correct	108 ms	72240 KB	Output is correct