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Submission #741610

# Submission time Handle Problem Language Result Execution time Memory
741610 2023-05-14T13:12:20 Z gustavo_d Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 256 ms 88724 KB 
// https://noic.com.br/materiais-informatica/problemas-da-semana/intermediario-semana36/ > página 13
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

int main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);

    int h, w; cin >> h >> w;
    vector<vector<char>> grid (h, vector<char> (w));
    vector<vector<int>> pfI (h, vector<int> (w));
    vector<vector<int>> pfO (h, vector<int> (w));
    for (int i=0; i<h; i++) {
        string l; cin >> l;
        for (int j=0; j<w; j++) grid[i][j] = l[j];
    }
    for (int i=0; i<h; i++) {
        int cnt = 0;
        for (int j=w-1; j>=0; j--) {
            if (grid[i][j] == 'O') cnt++;
            pfO[i][j] = cnt;
        }
    }
    for (int j=0; j<w; j++) {
        int cnt = 0;
        for (int i=h-1; i>=0; i--) {
            if (grid[i][j] == 'I') cnt++;
            pfI[i][j] = cnt;
        }
    }
    ll ans = 0;
    for (int i=0; i<h; i++) {
        for (int j=0; j<w; j++) {
            if (grid[i][j] == 'J') {
                ans += pfO[i][j] * pfI[i][j];
            }
        }
    }
    cout << ans << endl;

    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 5 ms 2180 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 3 ms 1620 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 5 ms 2772 KB Output is correct
19 Correct 4 ms 2644 KB Output is correct
20 Correct 4 ms 2772 KB Output is correct
21 Correct 5 ms 2840 KB Output is correct
22 Correct 4 ms 2632 KB Output is correct
23 Correct 4 ms 2760 KB Output is correct
24 Correct 5 ms 2772 KB Output is correct
25 Correct 4 ms 2644 KB Output is correct
26 Correct 4 ms 2772 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 5 ms 2180 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 3 ms 1620 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 5 ms 2772 KB Output is correct
19 Correct 4 ms 2644 KB Output is correct
20 Correct 4 ms 2772 KB Output is correct
21 Correct 5 ms 2840 KB Output is correct
22 Correct 4 ms 2632 KB Output is correct
23 Correct 4 ms 2760 KB Output is correct
24 Correct 5 ms 2772 KB Output is correct
25 Correct 4 ms 2644 KB Output is correct
26 Correct 4 ms 2772 KB Output is correct
27 Correct 243 ms 83776 KB Output is correct
28 Correct 1 ms 852 KB Output is correct
29 Correct 10 ms 6612 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 170 ms 61772 KB Output is correct
32 Correct 223 ms 88104 KB Output is correct
33 Correct 217 ms 88392 KB Output is correct
34 Correct 193 ms 71540 KB Output is correct
35 Correct 223 ms 88152 KB Output is correct
36 Correct 216 ms 88432 KB Output is correct
37 Correct 256 ms 88724 KB Output is correct
38 Correct 156 ms 61292 KB Output is correct
39 Correct 146 ms 61440 KB Output is correct