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Submission #878693

# Submission time Handle Problem Language Result Execution time Memory
878693 2023-11-25T05:36:50 Z frostray8653 Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 199 ms 89164 KB 
#include <bits/stdc++.h>
#define int long long
#define IO ios::sync_with_stdio(0), cin.tie(0)
#define FOR(i, a, b) for (int i = a, I = b; i <= I; i++)
using namespace std;
using pii = pair<int, int>;
void dbg() {;}
template<class T, class ...U>
void dbg(T a, U ...b) { cout << a << " "; dbg(b...); }
void ent() { cout << "\n"; }

const int N = 3005;
char a[N][N];
int j_sum[N][N];

signed main() {
    IO;

    int n, m;
    cin >> n >> m;
    FOR(i, 1, n)
        FOR(j, 1, m)
            cin >> a[i][j];
    
    for (int i = 1; i <= n; i++) {
        int O_cnt = 0;
        for (int j = m; j >= 1; j--) {
            if (a[i][j] == 'O')
                O_cnt += 1;
            else if (a[i][j] == 'J')
                j_sum[i][j] = O_cnt;
        }
    }
    int ans = 0;
    for (int j = 1; j <= m; j++) {
        for (int i = 1; i <= n; i++) {
            j_sum[i][j] += j_sum[i - 1][j];
            if (a[i][j] == 'I')
                ans += j_sum[i][j];
        }
    }
    cout << ans << "\n";

    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2516 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 4572 KB Output is correct
8 Correct 1 ms 6488 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 4440 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2516 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 4572 KB Output is correct
8 Correct 1 ms 6488 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 4440 KB Output is correct
14 Correct 5 ms 16984 KB Output is correct
15 Correct 2 ms 12632 KB Output is correct
16 Correct 3 ms 8792 KB Output is correct
17 Correct 1 ms 4696 KB Output is correct
18 Correct 7 ms 16980 KB Output is correct
19 Correct 5 ms 16988 KB Output is correct
20 Correct 7 ms 17116 KB Output is correct
21 Correct 7 ms 16988 KB Output is correct
22 Correct 5 ms 16988 KB Output is correct
23 Correct 5 ms 16988 KB Output is correct
24 Correct 6 ms 17192 KB Output is correct
25 Correct 5 ms 17156 KB Output is correct
26 Correct 5 ms 17120 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2516 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 4572 KB Output is correct
8 Correct 1 ms 6488 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 4440 KB Output is correct
14 Correct 5 ms 16984 KB Output is correct
15 Correct 2 ms 12632 KB Output is correct
16 Correct 3 ms 8792 KB Output is correct
17 Correct 1 ms 4696 KB Output is correct
18 Correct 7 ms 16980 KB Output is correct
19 Correct 5 ms 16988 KB Output is correct
20 Correct 7 ms 17116 KB Output is correct
21 Correct 7 ms 16988 KB Output is correct
22 Correct 5 ms 16988 KB Output is correct
23 Correct 5 ms 16988 KB Output is correct
24 Correct 6 ms 17192 KB Output is correct
25 Correct 5 ms 17156 KB Output is correct
26 Correct 5 ms 17120 KB Output is correct
27 Correct 199 ms 88680 KB Output is correct
28 Correct 7 ms 60508 KB Output is correct
29 Correct 8 ms 9308 KB Output is correct
30 Correct 1 ms 4700 KB Output is correct
31 Correct 143 ms 74312 KB Output is correct
32 Correct 145 ms 89164 KB Output is correct
33 Correct 134 ms 88656 KB Output is correct
34 Correct 151 ms 86608 KB Output is correct
35 Correct 140 ms 88772 KB Output is correct
36 Correct 133 ms 88664 KB Output is correct
37 Correct 179 ms 88512 KB Output is correct
38 Correct 104 ms 74564 KB Output is correct
39 Correct 96 ms 74316 KB Output is correct