답안 #996468

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
996468 2024-06-10T16:25:28 Z yanb Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
223 ms 159096 KB
#include <bits/stdc++.h>
    
using namespace std;
    
#define int long long
#define pii pair<long long, long long>
#define t3i tuple<long long, long long, long long>

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int n, m;
    cin >> n >> m;
    vector<vector<char>> a(n, vector<char>(m));
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> a[i][j];
        }
    }

    vector<vector<int>> os(n, vector<int>(m + 1)), is(n + 1, vector<int>(m));
    for (int i = 0; i < n; i++) {
        for (int j = m - 1; j >= 0; j--) {
            os[i][j] = os[i][j + 1] + (a[i][j] == 'O');
        }
    }
    for (int j = 0; j < m; j++) {
        for (int i = n - 1; i >= 0; i--) {
            is[i][j] = is[i + 1][j] + (a[i][j] == 'I');
        }
    }

    int ans = 0;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            if (a[i][j] == 'J') {
                ans += os[i][j] * is[i][j];
            }
        }
    }

    cout << ans << "\n";
}   
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 0 ms 604 KB Output is correct
9 Correct 0 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 0 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 0 ms 604 KB Output is correct
9 Correct 0 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 0 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 5 ms 3672 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 2652 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 5 ms 4904 KB Output is correct
19 Correct 5 ms 4700 KB Output is correct
20 Correct 6 ms 4700 KB Output is correct
21 Correct 6 ms 4812 KB Output is correct
22 Correct 4 ms 4700 KB Output is correct
23 Correct 8 ms 4696 KB Output is correct
24 Correct 5 ms 4700 KB Output is correct
25 Correct 7 ms 4696 KB Output is correct
26 Correct 5 ms 4836 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 0 ms 604 KB Output is correct
9 Correct 0 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 0 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 5 ms 3672 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 2652 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 5 ms 4904 KB Output is correct
19 Correct 5 ms 4700 KB Output is correct
20 Correct 6 ms 4700 KB Output is correct
21 Correct 6 ms 4812 KB Output is correct
22 Correct 4 ms 4700 KB Output is correct
23 Correct 8 ms 4696 KB Output is correct
24 Correct 5 ms 4700 KB Output is correct
25 Correct 7 ms 4696 KB Output is correct
26 Correct 5 ms 4836 KB Output is correct
27 Correct 211 ms 150356 KB Output is correct
28 Correct 1 ms 1116 KB Output is correct
29 Correct 13 ms 11704 KB Output is correct
30 Correct 1 ms 860 KB Output is correct
31 Correct 175 ms 110676 KB Output is correct
32 Correct 208 ms 158032 KB Output is correct
33 Correct 205 ms 158548 KB Output is correct
34 Correct 180 ms 128340 KB Output is correct
35 Correct 220 ms 158268 KB Output is correct
36 Correct 217 ms 158664 KB Output is correct
37 Correct 223 ms 159096 KB Output is correct
38 Correct 155 ms 109908 KB Output is correct
39 Correct 139 ms 110416 KB Output is correct