oj.uz

Submission #717295

# Submission time Handle Problem Language Result Execution time Memory
717295 2023-04-01T19:31:24 Z TheSahib Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 121 ms 10048 KB 
#include <bits/stdc++.h>

#define ll long long
#define oo 1e9
#define pii pair<int, int>

using namespace std;


int main()
{
    int n, m; cin >> n >> m;
    getchar();
    
    char grid[n][m];
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++)
        {
            grid[i][j] = getchar();
        }
        getchar();
    }
    int ingots[m];
    memset(ingots, 0, sizeof(ingots));
    ll ans = 0;
    for (int i = n - 1; i >= 0; i--)
    {
        int preSum[m + 1];
        memset(preSum, 0, sizeof(preSum));
        for (int j = 0; j < m; j++)
        {
            preSum[j + 1] = preSum[j] + (grid[i][j] == 'O');
        }
        for (int j = 0; j < m; j++)
        {
            if(grid[i][j] == 'J'){
                ans += 1ll * ingots[j] * (preSum[m] - preSum[j]);
            }
            if(grid[i][j] == 'I'){
                ingots[j]++;
            }
        }
    }
    cout << ans;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 308 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 4 ms 716 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 2 ms 444 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 4 ms 724 KB Output is correct
19 Correct 3 ms 696 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 4 ms 724 KB Output is correct
22 Correct 3 ms 696 KB Output is correct
23 Correct 3 ms 772 KB Output is correct
24 Correct 4 ms 724 KB Output is correct
25 Correct 3 ms 724 KB Output is correct
26 Correct 3 ms 772 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 4 ms 716 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 2 ms 444 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 4 ms 724 KB Output is correct
19 Correct 3 ms 696 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 4 ms 724 KB Output is correct
22 Correct 3 ms 696 KB Output is correct
23 Correct 3 ms 772 KB Output is correct
24 Correct 4 ms 724 KB Output is correct
25 Correct 3 ms 724 KB Output is correct
26 Correct 3 ms 772 KB Output is correct
27 Correct 117 ms 9128 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 7 ms 1464 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 89 ms 6924 KB Output is correct
32 Correct 89 ms 9960 KB Output is correct
33 Correct 76 ms 9884 KB Output is correct
34 Correct 99 ms 7824 KB Output is correct
35 Correct 78 ms 9820 KB Output is correct
36 Correct 73 ms 9860 KB Output is correct
37 Correct 121 ms 10048 KB Output is correct
38 Correct 55 ms 6880 KB Output is correct
39 Correct 48 ms 6912 KB Output is correct