oj.uz

Submission #916519

# Submission time Handle Problem Language Result Execution time Memory
916519 2024-01-26T03:37:26 Z viwlesxq Bitaro the Brave (JOI19_ho_t1) C++17
50 / 100
 1000 ms 84304 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) x.begin(), x.end()
#define size(x) (int)x.size()

template<class S, class T>
bool chmin(S &a, const T &b) {
    return a > b && (a = b) == b;
}
template<class S, class T>
bool chmax(S &a, const T &b) {
    return a < b && (a = b) == b;
}
const int inf = 1e9 + 7;
const int INF = 1e18 + 7;
const int mod = 1e9 + 7;

signed main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int n, m; cin >> n >> m;
    string s[n];
    for (int i = 0; i < n; ++i) cin >> s[i];
    int pref[n][m];
    for (int i = 0; i < n; ++i) {
        pref[i][0] = s[i][0] == 'O';
        for (int j = 1; j < m; ++j) {
            pref[i][j] = pref[i][j - 1] + (s[i][j] == 'O');
        }
    }
    int res = 0;
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < m; ++j) {
            for (int k = i + 1; k < n; ++k) {
                if (s[i][j] == 'J' && s[k][j] == 'I') {
                    res += pref[i][m - 1] - pref[i][j];
                }
            }
        }
    }
    cout << res;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 95 ms 2140 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 17 ms 1624 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 122 ms 2908 KB Output is correct
19 Correct 44 ms 2652 KB Output is correct
20 Correct 55 ms 3104 KB Output is correct
21 Correct 122 ms 2904 KB Output is correct
22 Correct 55 ms 2808 KB Output is correct
23 Correct 55 ms 2652 KB Output is correct
24 Correct 119 ms 2904 KB Output is correct
25 Correct 45 ms 2808 KB Output is correct
26 Correct 55 ms 2648 KB Output is correct

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 95 ms 2140 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 17 ms 1624 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 122 ms 2908 KB Output is correct
19 Correct 44 ms 2652 KB Output is correct
20 Correct 55 ms 3104 KB Output is correct
21 Correct 122 ms 2904 KB Output is correct
22 Correct 55 ms 2808 KB Output is correct
23 Correct 55 ms 2652 KB Output is correct
24 Correct 119 ms 2904 KB Output is correct
25 Correct 45 ms 2808 KB Output is correct
26 Correct 55 ms 2648 KB Output is correct
27 Execution timed out 1044 ms 84304 KB Time limit exceeded
28 Halted 0 ms 0 KB -