oj.uz

Submission #311744

# Submission time Handle Problem Language Result Execution time Memory
311744 2020-10-11T11:43:57 Z grt Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 132 ms 88872 KB 
#include <bits/stdc++.h>

using namespace std;

using vi = vector<int>;
using ll = long long;
using pi = pair<int,int>;

#define ST first
#define ND second
#define PB push_back

const int nax = 3000 + 10;
int n, m;
int s1[nax][nax], s2[nax][nax];
string s[nax];


int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> m;
    for(int i = 1; i <= n; ++i) {
        cin >> s[i];
        s[i] = "#" + s[i];
    }
    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= m; ++j) {
            s1[i][j] = s1[i][j - 1] + (s[i][j] == 'O');
            s2[i][j] = s2[i - 1][j] + (s[i][j] == 'I');
        }
    }
    ll ans = 0;
    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= m; ++j) {
            if(s[i][j] == 'J') {
                ans += ((ll)(s1[i][m] - s1[i][j]) * (s2[n][j] - s2[i][j]));
            }
        }
    }
    cout << ans;


}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 436 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 1280 KB Output is correct
6 Correct 1 ms 1280 KB Output is correct
7 Correct 1 ms 1280 KB Output is correct
8 Correct 1 ms 1280 KB Output is correct
9 Correct 1 ms 1280 KB Output is correct
10 Correct 2 ms 1280 KB Output is correct
11 Correct 1 ms 1280 KB Output is correct
12 Correct 1 ms 1280 KB Output is correct
13 Correct 1 ms 1280 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 436 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 1280 KB Output is correct
6 Correct 1 ms 1280 KB Output is correct
7 Correct 1 ms 1280 KB Output is correct
8 Correct 1 ms 1280 KB Output is correct
9 Correct 1 ms 1280 KB Output is correct
10 Correct 2 ms 1280 KB Output is correct
11 Correct 1 ms 1280 KB Output is correct
12 Correct 1 ms 1280 KB Output is correct
13 Correct 1 ms 1280 KB Output is correct
14 Correct 6 ms 6272 KB Output is correct
15 Correct 3 ms 3840 KB Output is correct
16 Correct 4 ms 3840 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 7 ms 6912 KB Output is correct
19 Correct 6 ms 6784 KB Output is correct
20 Correct 6 ms 6784 KB Output is correct
21 Correct 7 ms 6912 KB Output is correct
22 Correct 6 ms 6784 KB Output is correct
23 Correct 6 ms 6784 KB Output is correct
24 Correct 7 ms 6912 KB Output is correct
25 Correct 6 ms 6784 KB Output is correct
26 Correct 6 ms 6784 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 436 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 1280 KB Output is correct
6 Correct 1 ms 1280 KB Output is correct
7 Correct 1 ms 1280 KB Output is correct
8 Correct 1 ms 1280 KB Output is correct
9 Correct 1 ms 1280 KB Output is correct
10 Correct 2 ms 1280 KB Output is correct
11 Correct 1 ms 1280 KB Output is correct
12 Correct 1 ms 1280 KB Output is correct
13 Correct 1 ms 1280 KB Output is correct
14 Correct 6 ms 6272 KB Output is correct
15 Correct 3 ms 3840 KB Output is correct
16 Correct 4 ms 3840 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 7 ms 6912 KB Output is correct
19 Correct 6 ms 6784 KB Output is correct
20 Correct 6 ms 6784 KB Output is correct
21 Correct 7 ms 6912 KB Output is correct
22 Correct 6 ms 6784 KB Output is correct
23 Correct 6 ms 6784 KB Output is correct
24 Correct 7 ms 6912 KB Output is correct
25 Correct 6 ms 6784 KB Output is correct
26 Correct 6 ms 6784 KB Output is correct
27 Correct 124 ms 87852 KB Output is correct
28 Correct 13 ms 19328 KB Output is correct
29 Correct 9 ms 7808 KB Output is correct
30 Correct 1 ms 768 KB Output is correct
31 Correct 98 ms 71800 KB Output is correct
32 Correct 100 ms 88696 KB Output is correct
33 Correct 98 ms 88568 KB Output is correct
34 Correct 112 ms 82936 KB Output is correct
35 Correct 106 ms 88824 KB Output is correct
36 Correct 96 ms 88568 KB Output is correct
37 Correct 132 ms 88872 KB Output is correct
38 Correct 75 ms 71544 KB Output is correct
39 Correct 73 ms 71288 KB Output is correct