Submission #147408

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
147408	2019-08-29T13:08:04 Z	reda	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	329 ms	159376 KB

joi2019_ho_t1

#include <bits/stdc++.h>

#define MAX 3010
#define ll long long
using namespace std;

int n, m;

ll ans;
ll PO[MAX][MAX];
ll PI[MAX][MAX];
char v[MAX][MAX];
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
	cin >> n >> m ;

	for(int g = 1 ; g <= n ; g++)
		for(int h = 1 ; h <= m ; h++)
			cin >> v[g][h];

	for(int g = 1 ; g <= n ; g++)
		for(int h = m ; h > 0 ; h--)
			PO[g][h] = PO[g][h + 1] + (v[g][h] == 'O') ;

	for(int g = n ; g > 0 ; g--)
		for(int h = 1 ; h <= m ; h++)
			PI[g][h] = PI[g + 1][h] + (v[g][h] == 'I') ;

	for(int g = 1 ; g <= n ; g++)
		for(int h = 1 ; h <= m ; h++)
			if(v[g][h] == 'J')
				ans += PO[g][h] * PI[g][h];

cout << ans ;
}

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	2 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	1528 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	1528 KB	Output is correct
11	Correct	3 ms	1528 KB	Output is correct
12	Correct	3 ms	1528 KB	Output is correct
13	Correct	3 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	2 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	1528 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	1528 KB	Output is correct
11	Correct	3 ms	1528 KB	Output is correct
12	Correct	3 ms	1528 KB	Output is correct
13	Correct	3 ms	1400 KB	Output is correct
14	Correct	14 ms	8824 KB	Output is correct
15	Correct	7 ms	5112 KB	Output is correct
16	Correct	9 ms	5368 KB	Output is correct
17	Correct	2 ms	504 KB	Output is correct
18	Correct	16 ms	9848 KB	Output is correct
19	Correct	15 ms	9592 KB	Output is correct
20	Correct	15 ms	9592 KB	Output is correct
21	Correct	15 ms	9848 KB	Output is correct
22	Correct	14 ms	9592 KB	Output is correct
23	Correct	15 ms	9592 KB	Output is correct
24	Correct	16 ms	9848 KB	Output is correct
25	Correct	14 ms	9592 KB	Output is correct
26	Correct	15 ms	9592 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	2 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	1528 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	1528 KB	Output is correct
11	Correct	3 ms	1528 KB	Output is correct
12	Correct	3 ms	1528 KB	Output is correct
13	Correct	3 ms	1400 KB	Output is correct
14	Correct	14 ms	8824 KB	Output is correct
15	Correct	7 ms	5112 KB	Output is correct
16	Correct	9 ms	5368 KB	Output is correct
17	Correct	2 ms	504 KB	Output is correct
18	Correct	16 ms	9848 KB	Output is correct
19	Correct	15 ms	9592 KB	Output is correct
20	Correct	15 ms	9592 KB	Output is correct
21	Correct	15 ms	9848 KB	Output is correct
22	Correct	14 ms	9592 KB	Output is correct
23	Correct	15 ms	9592 KB	Output is correct
24	Correct	16 ms	9848 KB	Output is correct
25	Correct	14 ms	9592 KB	Output is correct
26	Correct	15 ms	9592 KB	Output is correct
27	Correct	314 ms	150724 KB	Output is correct
28	Correct	26 ms	26360 KB	Output is correct
29	Correct	28 ms	13308 KB	Output is correct
30	Correct	3 ms	760 KB	Output is correct
31	Correct	245 ms	125636 KB	Output is correct
32	Correct	290 ms	150548 KB	Output is correct
33	Correct	329 ms	158888 KB	Output is correct
34	Correct	292 ms	152692 KB	Output is correct
35	Correct	290 ms	159336 KB	Output is correct
36	Correct	294 ms	158784 KB	Output is correct
37	Correct	329 ms	159376 KB	Output is correct
38	Correct	217 ms	130936 KB	Output is correct
39	Correct	215 ms	131196 KB	Output is correct