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Submission #887981

# Submission time Handle Problem Language Result Execution time Memory
887981 2023-12-15T16:25:43 Z TahirAliyev Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 262 ms 88528 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pii pair<int, int>
#define oo 1e9
#define pb push_back

const int MAX = 3003;

int n, m;

char arr[MAX][MAX];

int sufOrb[MAX][MAX];
int sufIng[MAX][MAX];

int main(){
    cin >> n >> m;
    for(int i = 1; i <= n; i++){
        string a; cin >> a;
        for(int j = 0; j < m; j++){
            arr[i][j + 1] = a[j];
        }
    }
    for(int i = 1; i <= n; i++){
        for(int j = m; j >= 1; j--){
            sufOrb[i][j] = sufOrb[i][j + 1] + (arr[i][j] == 'O');
        }
    }
    for(int j = 1; j <= m; j++){
        for(int i = n; i >= 1; i--){
            sufIng[i][j] = sufIng[i + 1][j] + (arr[i][j] == 'I');
        }
    }

    ll ans = 0;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            if(arr[i][j] == 'J'){
                ans += 1ll * sufOrb[i][j] * sufIng[i][j];
            }
        }
    }
    cout << ans << '\n';
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 3268 KB Output is correct
6 Correct 1 ms 3160 KB Output is correct
7 Correct 1 ms 3160 KB Output is correct
8 Correct 1 ms 3160 KB Output is correct
9 Correct 1 ms 3164 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3264 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 3268 KB Output is correct
6 Correct 1 ms 3160 KB Output is correct
7 Correct 1 ms 3160 KB Output is correct
8 Correct 1 ms 3160 KB Output is correct
9 Correct 1 ms 3164 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3264 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 7 ms 12404 KB Output is correct
15 Correct 2 ms 8540 KB Output is correct
16 Correct 4 ms 6748 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 8 ms 12692 KB Output is correct
19 Correct 11 ms 12744 KB Output is correct
20 Correct 9 ms 12532 KB Output is correct
21 Correct 9 ms 12796 KB Output is correct
22 Correct 10 ms 12636 KB Output is correct
23 Correct 10 ms 12664 KB Output is correct
24 Correct 11 ms 12636 KB Output is correct
25 Correct 7 ms 12632 KB Output is correct
26 Correct 10 ms 12632 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 3268 KB Output is correct
6 Correct 1 ms 3160 KB Output is correct
7 Correct 1 ms 3160 KB Output is correct
8 Correct 1 ms 3160 KB Output is correct
9 Correct 1 ms 3164 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3264 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 7 ms 12404 KB Output is correct
15 Correct 2 ms 8540 KB Output is correct
16 Correct 4 ms 6748 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 8 ms 12692 KB Output is correct
19 Correct 11 ms 12744 KB Output is correct
20 Correct 9 ms 12532 KB Output is correct
21 Correct 9 ms 12796 KB Output is correct
22 Correct 10 ms 12636 KB Output is correct
23 Correct 10 ms 12664 KB Output is correct
24 Correct 11 ms 12636 KB Output is correct
25 Correct 7 ms 12632 KB Output is correct
26 Correct 10 ms 12632 KB Output is correct
27 Correct 262 ms 87964 KB Output is correct
28 Correct 8 ms 44888 KB Output is correct
29 Correct 15 ms 9052 KB Output is correct
30 Correct 1 ms 2652 KB Output is correct
31 Correct 160 ms 73368 KB Output is correct
32 Correct 221 ms 88528 KB Output is correct
33 Correct 206 ms 88360 KB Output is correct
34 Correct 204 ms 84776 KB Output is correct
35 Correct 225 ms 88452 KB Output is correct
36 Correct 213 ms 88372 KB Output is correct
37 Correct 244 ms 88352 KB Output is correct
38 Correct 148 ms 73376 KB Output is correct
39 Correct 142 ms 73044 KB Output is correct