Submission #898223

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
898223	2024-01-04T11:45:29 Z	andrei_iorgulescu	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	454 ms	150448 KB

joi2019_ho_t1

#include <bits/stdc++.h>

using namespace std;

#define int long long

int n,m;
char a[3005][3005];
int flin[3005][3005],fcol[3005][3005];

signed main()
{
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            cin >> a[i][j];
    for (int i = 1; i <= n; i++)
    {
        for (int j = m; j >= 1; j--)
        {
            flin[i][j] = flin[i][j + 1];
            if (a[i][j] == 'O')
                flin[i][j]++;
        }
    }
    for (int j = 1; j <= m; j++)
    {
        for (int i = n; i >= 1; i--)
        {
            fcol[i][j] = fcol[i + 1][j];
            if (a[i][j] == 'I')
                fcol[i][j]++;
        }
    }
    int ans = 0;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            if (a[i][j] == 'J')
                ans += flin[i][j] * fcol[i][j];
    cout << ans;
    return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	4956 KB	Output is correct
6	Correct	1 ms	4956 KB	Output is correct
7	Correct	1 ms	3164 KB	Output is correct
8	Correct	2 ms	4956 KB	Output is correct
9	Correct	1 ms	4956 KB	Output is correct
10	Correct	1 ms	3164 KB	Output is correct
11	Correct	1 ms	4956 KB	Output is correct
12	Correct	1 ms	4956 KB	Output is correct
13	Correct	1 ms	3164 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	4956 KB	Output is correct
6	Correct	1 ms	4956 KB	Output is correct
7	Correct	1 ms	3164 KB	Output is correct
8	Correct	2 ms	4956 KB	Output is correct
9	Correct	1 ms	4956 KB	Output is correct
10	Correct	1 ms	3164 KB	Output is correct
11	Correct	1 ms	4956 KB	Output is correct
12	Correct	1 ms	4956 KB	Output is correct
13	Correct	1 ms	3164 KB	Output is correct
14	Correct	14 ms	18524 KB	Output is correct
15	Correct	2 ms	14684 KB	Output is correct
16	Correct	10 ms	11356 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	15 ms	19292 KB	Output is correct
19	Correct	13 ms	19036 KB	Output is correct
20	Correct	14 ms	19036 KB	Output is correct
21	Correct	14 ms	19092 KB	Output is correct
22	Correct	18 ms	19028 KB	Output is correct
23	Correct	13 ms	19036 KB	Output is correct
24	Correct	15 ms	19284 KB	Output is correct
25	Correct	18 ms	19136 KB	Output is correct
26	Correct	13 ms	19036 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	4956 KB	Output is correct
6	Correct	1 ms	4956 KB	Output is correct
7	Correct	1 ms	3164 KB	Output is correct
8	Correct	2 ms	4956 KB	Output is correct
9	Correct	1 ms	4956 KB	Output is correct
10	Correct	1 ms	3164 KB	Output is correct
11	Correct	1 ms	4956 KB	Output is correct
12	Correct	1 ms	4956 KB	Output is correct
13	Correct	1 ms	3164 KB	Output is correct
14	Correct	14 ms	18524 KB	Output is correct
15	Correct	2 ms	14684 KB	Output is correct
16	Correct	10 ms	11356 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	15 ms	19292 KB	Output is correct
19	Correct	13 ms	19036 KB	Output is correct
20	Correct	14 ms	19036 KB	Output is correct
21	Correct	14 ms	19092 KB	Output is correct
22	Correct	18 ms	19028 KB	Output is correct
23	Correct	13 ms	19036 KB	Output is correct
24	Correct	15 ms	19284 KB	Output is correct
25	Correct	18 ms	19136 KB	Output is correct
26	Correct	13 ms	19036 KB	Output is correct
27	Correct	453 ms	150448 KB	Output is correct
28	Correct	12 ms	73820 KB	Output is correct
29	Correct	31 ms	16568 KB	Output is correct
30	Correct	2 ms	2908 KB	Output is correct
31	Correct	337 ms	128176 KB	Output is correct
32	Correct	410 ms	150356 KB	Output is correct
33	Correct	411 ms	150184 KB	Output is correct
34	Correct	373 ms	147028 KB	Output is correct
35	Correct	415 ms	150364 KB	Output is correct
36	Correct	403 ms	150188 KB	Output is correct
37	Correct	454 ms	150444 KB	Output is correct
38	Correct	310 ms	127828 KB	Output is correct
39	Correct	299 ms	127664 KB	Output is correct