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Submission #481159

# Submission time Handle Problem Language Result Execution time Memory
481159 2021-10-19T16:10:01 Z Lobo Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 88 ms 18924 KB 
#include <bits/stdc++.h>
 
using namespace std;

const long long INFll = (long long) 1e18 + 10;
const int INFii = (int) 1e9 + 10;
typedef long long ll;
typedef int ii;
typedef long double dbl;
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()

#define maxn 3300

ii n, m, sfi[maxn];
string s[maxn];

int main() {
    ios::sync_with_stdio(false); cin.tie(0);

    //freopen("in.in", "r", stdin);
    //freopen("out.out", "w", stdout);

    cin >> n >> m;

    for(ii i = 1; i <= n; i++) {
        cin >> s[i];
    }

    ll ans = 0;

    for(ii i = n; i >= 1; i--) {
        ii orb = 0;
        for(ii j = m-1; j >= 0; j--) {
            if(s[i][j] == 'I') sfi[j]++;
            if(s[i][j] == 'O') orb++;
            if(s[i][j] == 'J') {
                ans+= sfi[j]*orb;
            }
        }
    }

    cout << ans << endl;

}

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 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 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 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 804 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 588 KB Output is correct
17 Correct 1 ms 420 KB Output is correct
18 Correct 3 ms 920 KB Output is correct
19 Correct 2 ms 844 KB Output is correct
20 Correct 1 ms 844 KB Output is correct
21 Correct 3 ms 824 KB Output is correct
22 Correct 2 ms 844 KB Output is correct
23 Correct 1 ms 844 KB Output is correct
24 Correct 3 ms 844 KB Output is correct
25 Correct 2 ms 844 KB Output is correct
26 Correct 3 ms 844 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 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 804 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 588 KB Output is correct
17 Correct 1 ms 420 KB Output is correct
18 Correct 3 ms 920 KB Output is correct
19 Correct 2 ms 844 KB Output is correct
20 Correct 1 ms 844 KB Output is correct
21 Correct 3 ms 824 KB Output is correct
22 Correct 2 ms 844 KB Output is correct
23 Correct 1 ms 844 KB Output is correct
24 Correct 3 ms 844 KB Output is correct
25 Correct 2 ms 844 KB Output is correct
26 Correct 3 ms 844 KB Output is correct
27 Correct 88 ms 17836 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 3 ms 1688 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 64 ms 13100 KB Output is correct
32 Correct 41 ms 18776 KB Output is correct
33 Correct 31 ms 18852 KB Output is correct
34 Correct 80 ms 15200 KB Output is correct
35 Correct 47 ms 18756 KB Output is correct
36 Correct 33 ms 18744 KB Output is correct
37 Correct 85 ms 18924 KB Output is correct
38 Correct 26 ms 13100 KB Output is correct
39 Correct 23 ms 13020 KB Output is correct