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Submission #794258

# Submission time Handle Problem Language Result Execution time Memory
794258 2023-07-26T11:33:25 Z dimashhh Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 308 ms 91520 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N = 3e3 + 123;

int n,m;
char a[3100][3100];
int so[N][N],si[N][N];
void test(){
    cin >> n >> m;
    for(int i=1;i<=n;i++){
        for(int j = 1;j <= m;j++){
            cin >> a[i][j];
        }
    }
    for(int i = 1;i <= n;i++){
        for(int j = m;j >= 1;j--){
            so[i][j] = so[i][j + 1] + (a[i][j] == 'O');
        }
    }
    for(int i = 1;i <= m;i++){
        for(int j = n;j >= 1;j--){
            si[j][i] = si[j + 1][i] + (a[j][i] == 'I');
        }
    }
    ll res = 0;
    for(int i = 1;i <= n;++i){
        for(int j = 1;j <= m;j++){
            if(a[i][j] == 'J'){
                res += so[i][j + 1] * 1ll * si[i + 1][j];
            }
        }
    }
    cout << res;
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
    //cin >> t;
    while(t--) test();
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1484 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 2 ms 1488 KB Output is correct
12 Correct 1 ms 1476 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1484 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 2 ms 1488 KB Output is correct
12 Correct 1 ms 1476 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 7 ms 7556 KB Output is correct
15 Correct 2 ms 4940 KB Output is correct
16 Correct 4 ms 4252 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 8 ms 8016 KB Output is correct
19 Correct 10 ms 7884 KB Output is correct
20 Correct 7 ms 7924 KB Output is correct
21 Correct 8 ms 8020 KB Output is correct
22 Correct 7 ms 7892 KB Output is correct
23 Correct 7 ms 7868 KB Output is correct
24 Correct 8 ms 8048 KB Output is correct
25 Correct 7 ms 7924 KB Output is correct
26 Correct 7 ms 7832 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1484 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 2 ms 1488 KB Output is correct
12 Correct 1 ms 1476 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 7 ms 7556 KB Output is correct
15 Correct 2 ms 4940 KB Output is correct
16 Correct 4 ms 4252 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 8 ms 8016 KB Output is correct
19 Correct 10 ms 7884 KB Output is correct
20 Correct 7 ms 7924 KB Output is correct
21 Correct 8 ms 8020 KB Output is correct
22 Correct 7 ms 7892 KB Output is correct
23 Correct 7 ms 7868 KB Output is correct
24 Correct 8 ms 8048 KB Output is correct
25 Correct 7 ms 7924 KB Output is correct
26 Correct 7 ms 7832 KB Output is correct
27 Correct 272 ms 91084 KB Output is correct
28 Correct 11 ms 26196 KB Output is correct
29 Correct 13 ms 8000 KB Output is correct
30 Correct 1 ms 596 KB Output is correct
31 Correct 196 ms 75196 KB Output is correct
32 Correct 257 ms 91516 KB Output is correct
33 Correct 247 ms 91200 KB Output is correct
34 Correct 227 ms 86988 KB Output is correct
35 Correct 219 ms 91520 KB Output is correct
36 Correct 270 ms 91216 KB Output is correct
37 Correct 308 ms 91488 KB Output is correct
38 Correct 173 ms 75048 KB Output is correct
39 Correct 197 ms 74848 KB Output is correct