Submission #97322

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
97322	2019-02-15T05:05:30 Z	silxikys	Bitaro the Brave (JOI19_ho_t1)	C++14	50 / 100	1000 ms	79888 KB

joi2019_ho_t1

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

const int maxn = 3005;
char grid[maxn][maxn];
int ocnt[maxn][maxn], icnt[maxn][maxn];
int H, W;

int main()
{
    cin >> H >> W;
    for (int i = 1; i <= H; i++) {
        for (int j = 1; j <= W; j++) {
            cin >> grid[i][j];
        }
    }
    for (int i = 1; i <= H; i++) {
        for (int j = W; j >= 1; j--) {
            ocnt[i][j] = ocnt[i][j+1];
            if (grid[i][j] == 'O') ocnt[i][j]++;
        }
    }
    for (int j = 1; j <= W; j++) {
        for (int i = H; i >= 1; i--) {
            icnt[i][j] = icnt[i+1][j];
            if (grid[i][j] == 'I') icnt[i][j]++;
        }
    }
    ll ans = 0;
    for (int i = 1; i <= H; i++) {
        for (int j = 1; j <= W; j++) {
            if (grid[i][j] != 'J') continue;
            ans += ocnt[i][j] * icnt[i][j];
        }
    }
    cout << ans << '\n';
}

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	384 KB	Output is correct
5	Correct	4 ms	1536 KB	Output is correct
6	Correct	5 ms	1536 KB	Output is correct
7	Correct	4 ms	1456 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	3 ms	1536 KB	Output is correct
12	Correct	3 ms	1408 KB	Output is correct
13	Correct	4 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	384 KB	Output is correct
5	Correct	4 ms	1536 KB	Output is correct
6	Correct	5 ms	1536 KB	Output is correct
7	Correct	4 ms	1456 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	3 ms	1536 KB	Output is correct
12	Correct	3 ms	1408 KB	Output is correct
13	Correct	4 ms	1408 KB	Output is correct
14	Correct	24 ms	7296 KB	Output is correct
15	Correct	6 ms	4992 KB	Output is correct
16	Correct	14 ms	4224 KB	Output is correct
17	Correct	2 ms	512 KB	Output is correct
18	Correct	35 ms	7800 KB	Output is correct
19	Correct	29 ms	7644 KB	Output is correct
20	Correct	28 ms	7672 KB	Output is correct
21	Correct	33 ms	7928 KB	Output is correct
22	Correct	33 ms	7676 KB	Output is correct
23	Correct	25 ms	7672 KB	Output is correct
24	Correct	29 ms	7680 KB	Output is correct
25	Correct	33 ms	7672 KB	Output is correct
26	Correct	32 ms	7552 KB	Output is correct

Subtask #3

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	384 KB	Output is correct
5	Correct	4 ms	1536 KB	Output is correct
6	Correct	5 ms	1536 KB	Output is correct
7	Correct	4 ms	1456 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	3 ms	1536 KB	Output is correct
12	Correct	3 ms	1408 KB	Output is correct
13	Correct	4 ms	1408 KB	Output is correct
14	Correct	24 ms	7296 KB	Output is correct
15	Correct	6 ms	4992 KB	Output is correct
16	Correct	14 ms	4224 KB	Output is correct
17	Correct	2 ms	512 KB	Output is correct
18	Correct	35 ms	7800 KB	Output is correct
19	Correct	29 ms	7644 KB	Output is correct
20	Correct	28 ms	7672 KB	Output is correct
21	Correct	33 ms	7928 KB	Output is correct
22	Correct	33 ms	7676 KB	Output is correct
23	Correct	25 ms	7672 KB	Output is correct
24	Correct	29 ms	7680 KB	Output is correct
25	Correct	33 ms	7672 KB	Output is correct
26	Correct	32 ms	7552 KB	Output is correct
27	Execution timed out	1020 ms	79888 KB	Time limit exceeded
28	Halted	0 ms	0 KB	-