Submission #100284

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
100284	2019-03-10T09:06:34 Z	toonewbie	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	458 ms	79820 KB

joi2019_ho_t1

/*** Author: Barish Namazov (toonewbie) ***/
#include <bits/stdc++.h>

using namespace std;

char A[3005][3005];
int si[3005][3005], so[3005][3005];
int main() {
    ios_base :: 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];
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = m; j >= 1; j--) {
            so[i][j] = so[i][j + 1] + (A[i][j] == 'O');
        }
    }
    for (int j = 1; j <= m; j++) {
        for (int i = n; i >= 1; i--) {
            si[i][j] = si[i + 1][j] + (A[i][j] == 'I');
        }
    }
    long long res = 0;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            if (A[i][j] == 'J') {
                res += 1LL * so[i][j] * si[i][j];
            }
        }
    }
    cout << res << endl;
    return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	3 ms	588 KB	Output is correct
5	Correct	3 ms	1536 KB	Output is correct
6	Correct	3 ms	1536 KB	Output is correct
7	Correct	3 ms	1408 KB	Output is correct
8	Correct	4 ms	1536 KB	Output is correct
9	Correct	4 ms	1536 KB	Output is correct
10	Correct	4 ms	1408 KB	Output is correct
11	Correct	4 ms	1536 KB	Output is correct
12	Correct	4 ms	1536 KB	Output is correct
13	Correct	3 ms	1408 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	3 ms	588 KB	Output is correct
5	Correct	3 ms	1536 KB	Output is correct
6	Correct	3 ms	1536 KB	Output is correct
7	Correct	3 ms	1408 KB	Output is correct
8	Correct	4 ms	1536 KB	Output is correct
9	Correct	4 ms	1536 KB	Output is correct
10	Correct	4 ms	1408 KB	Output is correct
11	Correct	4 ms	1536 KB	Output is correct
12	Correct	4 ms	1536 KB	Output is correct
13	Correct	3 ms	1408 KB	Output is correct
14	Correct	13 ms	7296 KB	Output is correct
15	Correct	7 ms	4992 KB	Output is correct
16	Correct	8 ms	4224 KB	Output is correct
17	Correct	2 ms	512 KB	Output is correct
18	Correct	18 ms	7680 KB	Output is correct
19	Correct	13 ms	7680 KB	Output is correct
20	Correct	12 ms	7680 KB	Output is correct
21	Correct	17 ms	7808 KB	Output is correct
22	Correct	14 ms	7680 KB	Output is correct
23	Correct	16 ms	7680 KB	Output is correct
24	Correct	15 ms	7808 KB	Output is correct
25	Correct	14 ms	7680 KB	Output is correct
26	Correct	13 ms	7680 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	3 ms	588 KB	Output is correct
5	Correct	3 ms	1536 KB	Output is correct
6	Correct	3 ms	1536 KB	Output is correct
7	Correct	3 ms	1408 KB	Output is correct
8	Correct	4 ms	1536 KB	Output is correct
9	Correct	4 ms	1536 KB	Output is correct
10	Correct	4 ms	1408 KB	Output is correct
11	Correct	4 ms	1536 KB	Output is correct
12	Correct	4 ms	1536 KB	Output is correct
13	Correct	3 ms	1408 KB	Output is correct
14	Correct	13 ms	7296 KB	Output is correct
15	Correct	7 ms	4992 KB	Output is correct
16	Correct	8 ms	4224 KB	Output is correct
17	Correct	2 ms	512 KB	Output is correct
18	Correct	18 ms	7680 KB	Output is correct
19	Correct	13 ms	7680 KB	Output is correct
20	Correct	12 ms	7680 KB	Output is correct
21	Correct	17 ms	7808 KB	Output is correct
22	Correct	14 ms	7680 KB	Output is correct
23	Correct	16 ms	7680 KB	Output is correct
24	Correct	15 ms	7808 KB	Output is correct
25	Correct	14 ms	7680 KB	Output is correct
26	Correct	13 ms	7680 KB	Output is correct
27	Correct	406 ms	79820 KB	Output is correct
28	Correct	26 ms	25984 KB	Output is correct
29	Correct	21 ms	7212 KB	Output is correct
30	Correct	3 ms	640 KB	Output is correct
31	Correct	297 ms	66556 KB	Output is correct
32	Correct	378 ms	79736 KB	Output is correct
33	Correct	414 ms	79476 KB	Output is correct
34	Correct	362 ms	77180 KB	Output is correct
35	Correct	422 ms	79804 KB	Output is correct
36	Correct	444 ms	79480 KB	Output is correct
37	Correct	458 ms	79812 KB	Output is correct
38	Correct	304 ms	66556 KB	Output is correct
39	Correct	290 ms	66296 KB	Output is correct