oj.uz

Submission #641839

# Submission time Handle Problem Language Result Execution time Memory
641839 2022-09-17T16:30:17 Z danikoynov Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 747 ms 159304 KB 
/**
 ____ ____ ____ ____ ____ ____
||l |||e |||i |||n |||a |||d ||
||__|||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|/__\|

**/

#include<bits/stdc++.h>
#define endl '\n'

using namespace std;
typedef long long ll;

void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}

const int maxn = 3010;
int n, m;
ll row[maxn][maxn], col[maxn][maxn];
char c[maxn][maxn];
void solve()
{
    cin >> n >> m;
    for (int i = 1; i <= n; i ++)
        for (int j = 1; j <= m; j ++)
        {
            cin >> c[i][j];
            if (c[i][j] == 'O')
                row[i][j] ++;
            else if (c[i][j] == 'I')
                col[i][j] ++;
        }

    for (int i = 1; i <= n; i ++)
        for (int j = m; j > 0; j --)
            row[i][j] = row[i][j + 1] + row[i][j];

    for (int j = 1; j <= m; j ++)
        for (int i = n; i > 0; i --)
            col[i][j] = col[i + 1][j] + col[i][j];

    ll ans = 0;
    for (int i = 1; i <= n; i ++)
    {
        for (int j = 1; j <= m; j ++)
        {
            if (c[i][j] == 'J')
            {
                ans = ans + row[i][j] * col[i][j];
                ///cout << i << " " << j << " " << row[i][j] * col[i][j] << endl;
            }
        }
    }

    cout << ans << endl;

}

int main()
{
    solve();
    return 0;
}
/**
3 4
JOIJ
JIOO
IIII
*/

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 1 ms 1460 KB Output is correct
7 Correct 2 ms 1364 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 2 ms 1364 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 1 ms 1460 KB Output is correct
7 Correct 2 ms 1364 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 2 ms 1364 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 17 ms 8916 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 12 ms 5304 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 22 ms 9956 KB Output is correct
19 Correct 20 ms 9684 KB Output is correct
20 Correct 19 ms 9708 KB Output is correct
21 Correct 21 ms 9920 KB Output is correct
22 Correct 20 ms 9804 KB Output is correct
23 Correct 19 ms 9684 KB Output is correct
24 Correct 23 ms 9912 KB Output is correct
25 Correct 21 ms 9716 KB Output is correct
26 Correct 19 ms 9680 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 1 ms 1460 KB Output is correct
7 Correct 2 ms 1364 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 2 ms 1364 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 17 ms 8916 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 12 ms 5304 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 22 ms 9956 KB Output is correct
19 Correct 20 ms 9684 KB Output is correct
20 Correct 19 ms 9708 KB Output is correct
21 Correct 21 ms 9920 KB Output is correct
22 Correct 20 ms 9804 KB Output is correct
23 Correct 19 ms 9684 KB Output is correct
24 Correct 23 ms 9912 KB Output is correct
25 Correct 21 ms 9716 KB Output is correct
26 Correct 19 ms 9680 KB Output is correct
27 Correct 698 ms 158844 KB Output is correct
28 Correct 13 ms 26324 KB Output is correct
29 Correct 50 ms 13844 KB Output is correct
30 Correct 3 ms 792 KB Output is correct
31 Correct 520 ms 131592 KB Output is correct
32 Correct 679 ms 159140 KB Output is correct
33 Correct 663 ms 158776 KB Output is correct
34 Correct 626 ms 152560 KB Output is correct
35 Correct 680 ms 159156 KB Output is correct
36 Correct 646 ms 158748 KB Output is correct
37 Correct 747 ms 159304 KB Output is correct
38 Correct 466 ms 130736 KB Output is correct
39 Correct 474 ms 130956 KB Output is correct