oj.uz

Submission #383994

# Submission time Handle Problem Language Result Execution time Memory
383994 2021-03-31T07:04:48 Z danielcm585 Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 622 ms 159064 KB 
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second

typedef long long ll;
typedef pair<int,int> ii;

const int N = 3e3;
int n, m;
char a[N+2][N+2];
ll orb[N+2][N+2], ing[N+2][N+2];

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            cin >> a[i][j];
            orb[i][j] = orb[i][j-1] + (a[i][j] == 'O');
            ing[j][i] = ing[j][i-1] + (a[i][j] == 'I');
        }
    }
    ll ans = 0;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            if (a[i][j] == 'J') {
                ans += (orb[i][m]-orb[i][j])*(ing[j][n]-ing[j][i]);
            }
        }
    }
    cout << ans << '\n';
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1644 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1516 KB Output is correct
8 Correct 3 ms 1644 KB Output is correct
9 Correct 2 ms 1516 KB Output is correct
10 Correct 2 ms 1516 KB Output is correct
11 Correct 2 ms 1644 KB Output is correct
12 Correct 2 ms 1516 KB Output is correct
13 Correct 2 ms 1516 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1644 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1516 KB Output is correct
8 Correct 3 ms 1644 KB Output is correct
9 Correct 2 ms 1516 KB Output is correct
10 Correct 2 ms 1516 KB Output is correct
11 Correct 2 ms 1644 KB Output is correct
12 Correct 2 ms 1516 KB Output is correct
13 Correct 2 ms 1516 KB Output is correct
14 Correct 11 ms 8556 KB Output is correct
15 Correct 3 ms 3456 KB Output is correct
16 Correct 8 ms 6380 KB Output is correct
17 Correct 2 ms 1644 KB Output is correct
18 Correct 14 ms 9964 KB Output is correct
19 Correct 12 ms 9836 KB Output is correct
20 Correct 12 ms 9836 KB Output is correct
21 Correct 13 ms 9964 KB Output is correct
22 Correct 14 ms 9836 KB Output is correct
23 Correct 13 ms 9836 KB Output is correct
24 Correct 13 ms 9964 KB Output is correct
25 Correct 12 ms 9836 KB Output is correct
26 Correct 12 ms 9812 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1644 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1516 KB Output is correct
8 Correct 3 ms 1644 KB Output is correct
9 Correct 2 ms 1516 KB Output is correct
10 Correct 2 ms 1516 KB Output is correct
11 Correct 2 ms 1644 KB Output is correct
12 Correct 2 ms 1516 KB Output is correct
13 Correct 2 ms 1516 KB Output is correct
14 Correct 11 ms 8556 KB Output is correct
15 Correct 3 ms 3456 KB Output is correct
16 Correct 8 ms 6380 KB Output is correct
17 Correct 2 ms 1644 KB Output is correct
18 Correct 14 ms 9964 KB Output is correct
19 Correct 12 ms 9836 KB Output is correct
20 Correct 12 ms 9836 KB Output is correct
21 Correct 13 ms 9964 KB Output is correct
22 Correct 14 ms 9836 KB Output is correct
23 Correct 13 ms 9836 KB Output is correct
24 Correct 13 ms 9964 KB Output is correct
25 Correct 12 ms 9836 KB Output is correct
26 Correct 12 ms 9812 KB Output is correct
27 Correct 589 ms 154636 KB Output is correct
28 Correct 12 ms 17004 KB Output is correct
29 Correct 57 ms 23020 KB Output is correct
30 Correct 9 ms 10092 KB Output is correct
31 Correct 433 ms 131308 KB Output is correct
32 Correct 538 ms 158444 KB Output is correct
33 Correct 577 ms 158652 KB Output is correct
34 Correct 497 ms 142912 KB Output is correct
35 Correct 585 ms 158516 KB Output is correct
36 Correct 581 ms 158828 KB Output is correct
37 Correct 622 ms 159064 KB Output is correct
38 Correct 384 ms 130604 KB Output is correct
39 Correct 409 ms 131180 KB Output is correct