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Submission #774452

# Submission time Handle Problem Language Result Execution time Memory
774452 2023-07-05T18:04:53 Z stefanneagu JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 12 ms 2004 KB 
#include <iostream>
#include <vector>
using namespace std; 
int main() {
    int n, k;
    cin >> n >> k;
    string s;
    cin >> s;
    vector<int> J, O, I;
    for(int i = 0; i < n; i ++) {
        if(s[i] == 'J') {
            J.push_back(i);
        }
        if(s[i] == 'O') {
            O.push_back(i);
        }
        if(s[i] == 'I') {
            I.push_back(i);
        } 
    }
    int ans = 1e9;
    for(int i = 0; i < (int) J.size() - k + 1; i ++) {
        int pos_o = lower_bound(O.begin(), O.end(), J[i + k - 1]) - O.begin();
        if(pos_o < (int) O.size() - k + 1) {
            int pos_i = lower_bound(I.begin(), I.end(), O[pos_o + k - 1]) - I.begin();
            if(pos_i < (int) I.size() - k + 1) {
                int term = I[pos_i + k - 1];
                ans = min(ans, term - J[i] + 1 - 3 * k);
            }
        }
    }
    if(ans == 1e9) {
        cout << -1;
        return 0;
    }
    cout << ans;
    return 0;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 260 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 260 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 260 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 1 ms 296 KB Output is correct
33 Correct 1 ms 296 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 300 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 260 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 260 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 1 ms 296 KB Output is correct
33 Correct 1 ms 296 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 300 KB Output is correct
36 Correct 10 ms 1468 KB Output is correct
37 Correct 11 ms 1820 KB Output is correct
38 Correct 12 ms 1968 KB Output is correct
39 Correct 11 ms 1872 KB Output is correct
40 Correct 9 ms 2004 KB Output is correct
41 Correct 10 ms 1820 KB Output is correct
42 Correct 10 ms 1824 KB Output is correct
43 Correct 5 ms 1244 KB Output is correct
44 Correct 6 ms 1444 KB Output is correct
45 Correct 9 ms 2004 KB Output is correct
46 Correct 8 ms 1996 KB Output is correct
47 Correct 9 ms 1976 KB Output is correct
48 Correct 9 ms 2000 KB Output is correct
49 Correct 6 ms 1300 KB Output is correct
50 Correct 8 ms 1772 KB Output is correct
51 Correct 8 ms 1748 KB Output is correct
52 Correct 8 ms 1520 KB Output is correct
53 Correct 6 ms 1704 KB Output is correct
54 Correct 7 ms 1988 KB Output is correct
55 Correct 5 ms 1888 KB Output is correct
56 Correct 4 ms 1888 KB Output is correct