oj.uz

Submission #591461

# Submission time Handle Problem Language Result Execution time Memory
591461 2022-07-07T12:53:29 Z piOOE JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 17 ms 2024 KB 
#include <bits/stdc++.h>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, k;
    cin >> n >> k;
    //j = 0, o = 1, i = 2
    vector<int> g[3];
    string s;
    cin >> s;
    int ans = n;
    for (int i = 0; i < n; ++i) {
        g[s[i] == 'J' ? 0 : s[i] == 'O' ? 1 : 2].push_back(i);
    }
    auto nxt = [&](int t, int i) {
        auto it = upper_bound(g[t].begin(), g[t].end(), i);
        if (g[t].end() - it < k) {
            return -1;
        } else {
            return *(it + k - 1);
        }
    };
    for (int i = 0; i < n; ++i) {
        if (s[i] == 'J') {
            int x = i - 1;
            for (int t = 0; t < 3; ++t) {
                x = nxt(t, x);
                if (x == -1) {
                    break;
                }
            }
            if (x != -1) {
                ans = min(ans, (x - i + 1) - k * 3);
            }
        }
    }
    cout << (ans == n ? -1 : ans);
    return 0;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 324 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 320 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 324 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 320 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 320 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 316 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 316 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 324 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 320 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 320 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 316 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 316 KB Output is correct
36 Correct 13 ms 1604 KB Output is correct
37 Correct 15 ms 1824 KB Output is correct
38 Correct 15 ms 1876 KB Output is correct
39 Correct 16 ms 1988 KB Output is correct
40 Correct 13 ms 1952 KB Output is correct
41 Correct 17 ms 1936 KB Output is correct
42 Correct 16 ms 1964 KB Output is correct
43 Correct 8 ms 1240 KB Output is correct
44 Correct 9 ms 1496 KB Output is correct
45 Correct 12 ms 2008 KB Output is correct
46 Correct 13 ms 2000 KB Output is correct
47 Correct 12 ms 2008 KB Output is correct
48 Correct 12 ms 2008 KB Output is correct
49 Correct 7 ms 1336 KB Output is correct
50 Correct 12 ms 1996 KB Output is correct
51 Correct 13 ms 2000 KB Output is correct
52 Correct 8 ms 1496 KB Output is correct
53 Correct 9 ms 1740 KB Output is correct
54 Correct 7 ms 2024 KB Output is correct
55 Correct 8 ms 2008 KB Output is correct
56 Correct 6 ms 2000 KB Output is correct