oj.uz

Submission #97323

# Submission time Handle Problem Language Result Execution time Memory
97323 2019-02-15T05:16:14 Z silxikys Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 588 ms 109688 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

const int maxn = 5005;
char grid[maxn][maxn];
int ocnt[maxn][maxn], icnt[maxn][maxn];
int H, W;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    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 += 1LL * ocnt[i][j] * icnt[i][j];
        }
    }
    cout << ans << '\n';
	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 4 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 4 ms 1536 KB Output is correct
6 Correct 4 ms 1664 KB Output is correct
7 Correct 4 ms 1536 KB Output is correct
8 Correct 5 ms 1664 KB Output is correct
9 Correct 5 ms 1664 KB Output is correct
10 Correct 4 ms 1536 KB Output is correct
11 Correct 4 ms 1664 KB Output is correct
12 Correct 4 ms 1664 KB Output is correct
13 Correct 4 ms 1536 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 4 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 4 ms 1536 KB Output is correct
6 Correct 4 ms 1664 KB Output is correct
7 Correct 4 ms 1536 KB Output is correct
8 Correct 5 ms 1664 KB Output is correct
9 Correct 5 ms 1664 KB Output is correct
10 Correct 4 ms 1536 KB Output is correct
11 Correct 4 ms 1664 KB Output is correct
12 Correct 4 ms 1664 KB Output is correct
13 Correct 4 ms 1536 KB Output is correct
14 Correct 15 ms 8064 KB Output is correct
15 Correct 7 ms 5476 KB Output is correct
16 Correct 7 ms 4608 KB Output is correct
17 Correct 3 ms 512 KB Output is correct
18 Correct 17 ms 8576 KB Output is correct
19 Correct 15 ms 8448 KB Output is correct
20 Correct 14 ms 8448 KB Output is correct
21 Correct 19 ms 8548 KB Output is correct
22 Correct 15 ms 8508 KB Output is correct
23 Correct 14 ms 8448 KB Output is correct
24 Correct 22 ms 8604 KB Output is correct
25 Correct 12 ms 8576 KB Output is correct
26 Correct 21 ms 8448 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 4 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 4 ms 1536 KB Output is correct
6 Correct 4 ms 1664 KB Output is correct
7 Correct 4 ms 1536 KB Output is correct
8 Correct 5 ms 1664 KB Output is correct
9 Correct 5 ms 1664 KB Output is correct
10 Correct 4 ms 1536 KB Output is correct
11 Correct 4 ms 1664 KB Output is correct
12 Correct 4 ms 1664 KB Output is correct
13 Correct 4 ms 1536 KB Output is correct
14 Correct 15 ms 8064 KB Output is correct
15 Correct 7 ms 5476 KB Output is correct
16 Correct 7 ms 4608 KB Output is correct
17 Correct 3 ms 512 KB Output is correct
18 Correct 17 ms 8576 KB Output is correct
19 Correct 15 ms 8448 KB Output is correct
20 Correct 14 ms 8448 KB Output is correct
21 Correct 19 ms 8548 KB Output is correct
22 Correct 15 ms 8508 KB Output is correct
23 Correct 14 ms 8448 KB Output is correct
24 Correct 22 ms 8604 KB Output is correct
25 Correct 12 ms 8576 KB Output is correct
26 Correct 21 ms 8448 KB Output is correct
27 Correct 579 ms 105592 KB Output is correct
28 Correct 30 ms 28664 KB Output is correct
29 Correct 27 ms 8832 KB Output is correct
30 Correct 4 ms 640 KB Output is correct
31 Correct 432 ms 81612 KB Output is correct
32 Correct 528 ms 109060 KB Output is correct
33 Correct 560 ms 109208 KB Output is correct
34 Correct 469 ms 94700 KB Output is correct
35 Correct 569 ms 109176 KB Output is correct
36 Correct 542 ms 109260 KB Output is correct
37 Correct 588 ms 109688 KB Output is correct
38 Correct 344 ms 81272 KB Output is correct
39 Correct 377 ms 81476 KB Output is correct