oj.uz

Submission #390733

# Submission time Handle Problem Language Result Execution time Memory
390733 2021-04-16T19:44:36 Z vishesh312 JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 35 ms 3928 KB 
#include "bits/stdc++.h"
using namespace std;
/*
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using ordered_set = tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>;
*/

#define all(x) begin(x), end(x)
#define sz(x) (int)x.size()

using ll = long long;
const int mod = 1e9+7;

void solve(int tc) {
    int n, k;
    cin >> n >> k;
    string s;
    cin >> s;
    map<char, int> mp;
    mp[0] = 'J', mp[1] = 'O', mp[2] = 'I';
    vector<vector<int>> v(3, vector<int>(n));
    for (int i = 0; i < 3; ++i) v[i][0] = (s[i] == mp[i]);
    for (int i = 1; i < n; ++i) {
        for (int j = 0; j < 3; ++j) {
            v[j][i] = v[j][i-1] + (s[i] == mp[j]);
        }
    }
    int ans = -1;
    for (int i = 0; i < n-3*k+1; ++i) {
        bool f = true;
        int p = i;
        for (int j = 0; j < 3; ++j) {
            int it = lower_bound(all(v[j]), (p?v[j][p-1]+k:k)) - v[j].begin();
            if (it == n) {
                f = false;
                break;
            }
            p = it+1;
        }
        if (!f) continue;
        if (ans == -1) ans = (p - i) - 3 * k;
        ans = min(ans, (p - i) - 3 * k);
    }
    cout << ans << '\n';
}

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    int tc = 1;
    //cin >> tc;
    for (int i = 1; i <= tc; ++i) solve(i);
    return 0;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 312 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 312 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 30 ms 3672 KB Output is correct
37 Correct 32 ms 3928 KB Output is correct
38 Correct 33 ms 3928 KB Output is correct
39 Correct 33 ms 3920 KB Output is correct
40 Correct 23 ms 3928 KB Output is correct
41 Correct 29 ms 3928 KB Output is correct
42 Correct 35 ms 3836 KB Output is correct
43 Correct 12 ms 2508 KB Output is correct
44 Correct 16 ms 3160 KB Output is correct
45 Correct 19 ms 3928 KB Output is correct
46 Correct 20 ms 3928 KB Output is correct
47 Correct 19 ms 3928 KB Output is correct
48 Correct 21 ms 3928 KB Output is correct
49 Correct 16 ms 2780 KB Output is correct
50 Correct 21 ms 3928 KB Output is correct
51 Correct 19 ms 3928 KB Output is correct
52 Correct 8 ms 3800 KB Output is correct
53 Correct 9 ms 3928 KB Output is correct
54 Correct 16 ms 3928 KB Output is correct
55 Correct 10 ms 3928 KB Output is correct
56 Correct 6 ms 3928 KB Output is correct