Submission #287344

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
287344	2020-08-31T16:03:32 Z	reymontada61	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	801 ms	159292 KB

joi2019_ho_t1

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

#define int long long
const int MXN = 3005;
int h, w;
string grid[MXN];
int sufo[MXN][MXN];
int lowi[MXN][MXN];

signed main() {

	cin >> h >> w;
	for (int i=1; i<=h; i++) {
		cin >> grid[i];
		grid[i] = ' ' + grid[i];
	}
	
	for (int i=1; i<=h; i++) {
		for (int j=w; j>=1; j--) {
			sufo[i][j] = sufo[i][j+1];
			if (grid[i][j] == 'O') {
				sufo[i][j]++;
			}
		}
	}
	
	for (int j=1; j<=w; j++) {
		for (int i=h; i>=1; i--) {
			lowi[i][j] = lowi[i+1][j];
			if (grid[i][j] == 'I') {
				lowi[i][j]++;
			}
		}
	}
	
	int x = 0;
	for (int i=1; i<=h; i++) {
		for (int j=1; j<=w; j++) {
			if (grid[i][j] == 'J') {
				x += (sufo[i][j] * lowi[i][j]);
			}
		}
	}
	
	cout << x << endl;
	
	

}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	2 ms	1408 KB	Output is correct
6	Correct	2 ms	1408 KB	Output is correct
7	Correct	2 ms	1280 KB	Output is correct
8	Correct	2 ms	1408 KB	Output is correct
9	Correct	1 ms	1408 KB	Output is correct
10	Correct	2 ms	1280 KB	Output is correct
11	Correct	2 ms	1408 KB	Output is correct
12	Correct	2 ms	1408 KB	Output is correct
13	Correct	2 ms	1408 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	2 ms	1408 KB	Output is correct
6	Correct	2 ms	1408 KB	Output is correct
7	Correct	2 ms	1280 KB	Output is correct
8	Correct	2 ms	1408 KB	Output is correct
9	Correct	1 ms	1408 KB	Output is correct
10	Correct	2 ms	1280 KB	Output is correct
11	Correct	2 ms	1408 KB	Output is correct
12	Correct	2 ms	1408 KB	Output is correct
13	Correct	2 ms	1408 KB	Output is correct
14	Correct	17 ms	7808 KB	Output is correct
15	Correct	3 ms	3968 KB	Output is correct
16	Correct	10 ms	4736 KB	Output is correct
17	Correct	1 ms	512 KB	Output is correct
18	Correct	21 ms	8880 KB	Output is correct
19	Correct	18 ms	8704 KB	Output is correct
20	Correct	18 ms	8704 KB	Output is correct
21	Correct	21 ms	8832 KB	Output is correct
22	Correct	18 ms	8704 KB	Output is correct
23	Correct	18 ms	8704 KB	Output is correct
24	Correct	21 ms	8824 KB	Output is correct
25	Correct	19 ms	8704 KB	Output is correct
26	Correct	21 ms	8704 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	2 ms	1408 KB	Output is correct
6	Correct	2 ms	1408 KB	Output is correct
7	Correct	2 ms	1280 KB	Output is correct
8	Correct	2 ms	1408 KB	Output is correct
9	Correct	1 ms	1408 KB	Output is correct
10	Correct	2 ms	1280 KB	Output is correct
11	Correct	2 ms	1408 KB	Output is correct
12	Correct	2 ms	1408 KB	Output is correct
13	Correct	2 ms	1408 KB	Output is correct
14	Correct	17 ms	7808 KB	Output is correct
15	Correct	3 ms	3968 KB	Output is correct
16	Correct	10 ms	4736 KB	Output is correct
17	Correct	1 ms	512 KB	Output is correct
18	Correct	21 ms	8880 KB	Output is correct
19	Correct	18 ms	8704 KB	Output is correct
20	Correct	18 ms	8704 KB	Output is correct
21	Correct	21 ms	8832 KB	Output is correct
22	Correct	18 ms	8704 KB	Output is correct
23	Correct	18 ms	8704 KB	Output is correct
24	Correct	21 ms	8824 KB	Output is correct
25	Correct	19 ms	8704 KB	Output is correct
26	Correct	21 ms	8704 KB	Output is correct
27	Correct	748 ms	158332 KB	Output is correct
28	Correct	13 ms	19584 KB	Output is correct
29	Correct	44 ms	13816 KB	Output is correct
30	Correct	3 ms	896 KB	Output is correct
31	Correct	530 ms	130296 KB	Output is correct
32	Correct	704 ms	159096 KB	Output is correct
33	Correct	717 ms	158684 KB	Output is correct
34	Correct	632 ms	151032 KB	Output is correct
35	Correct	732 ms	159080 KB	Output is correct
36	Correct	758 ms	158784 KB	Output is correct
37	Correct	801 ms	159292 KB	Output is correct
38	Correct	554 ms	129712 KB	Output is correct
39	Correct	512 ms	129724 KB	Output is correct