oj.uz

Submission #628603

# Submission time Handle Problem Language Result Execution time Memory
628603 2022-08-13T14:25:18 Z colossal_pepe JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 25 ms 2956 KB 
#include <iostream>
#include <algorithm>
using namespace std;

int n, k;
string s;

int solve() {
    int a[n], b[n], c[n];
    for (int i = 0; i < n; i++) {
        a[i] = b[i] = c[i] = 0;
        a[i] += (s[i] == 'J');
        b[i] += (s[i] == 'O');
        c[i] += (s[i] == 'I');
        if (i) {
            a[i] += a[i - 1];
            b[i] += b[i - 1];
            c[i] += c[i - 1];
        }
    }
    int ans = n;
    for (int i = 0; i < n; i++) {
        int j = lower_bound(a, a + n, k + (i ? a[i - 1] : 0)) - a;
        if (j == n) break;
        j = lower_bound(b, b + n, k + b[j]) - b;
        if (j == n) break;
        j = lower_bound(c, c + n, k + c[j]) - c;
        if (j == n) break;
        ans = min(ans, j - i + 1 - 3 * k);
    }
    return (ans != n ? ans : -1);

}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> k >> s;
    cout << solve() << '\n';
    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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 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 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 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 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 22 ms 2784 KB Output is correct
37 Correct 24 ms 2912 KB Output is correct
38 Correct 25 ms 2912 KB Output is correct
39 Correct 24 ms 2912 KB Output is correct
40 Correct 8 ms 2956 KB Output is correct
41 Correct 17 ms 2912 KB Output is correct
42 Correct 25 ms 2912 KB Output is correct
43 Correct 1 ms 2004 KB Output is correct
44 Correct 2 ms 2400 KB Output is correct
45 Correct 2 ms 2912 KB Output is correct
46 Correct 2 ms 2912 KB Output is correct
47 Correct 2 ms 2912 KB Output is correct
48 Correct 2 ms 2912 KB Output is correct
49 Correct 2 ms 2016 KB Output is correct
50 Correct 2 ms 2912 KB Output is correct
51 Correct 3 ms 2912 KB Output is correct
52 Correct 2 ms 2784 KB Output is correct
53 Correct 2 ms 2912 KB Output is correct
54 Correct 8 ms 2912 KB Output is correct
55 Correct 4 ms 2912 KB Output is correct
56 Correct 2 ms 2912 KB Output is correct