oj.uz

Submission #1115604

# Submission time Handle Problem Language Result Execution time Memory
1115604 2024-11-20T16:51:14 Z staszic_ojuz JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 15 ms 5908 KB 
#include <bits/stdc++.h>
using namespace std;

constexpr int MAXN = 200007;
int J[MAXN];
int O[MAXN];
int I[MAXN];

int main()
{
    int n, k;
    cin >> n >> k;
    string s;
    cin >> s;
    vector<int> vJ;
    vector<int> vO;
    vector<int> vI;
    for(int i = 0; i < n; ++i)
    {
        if(s[i] == 'J')
            vJ.push_back(i);
        if(s[i] == 'O')
            vO.push_back(i);
        if(s[i] == 'I')
            vI.push_back(i);
    }
    for(int i = 0; i < (int)vJ.size() - k + 1; ++i)
        J[vJ[i]] = vJ[i+k-1];
    for(int i = 0; i < (int)vO.size() - k + 1; ++i)
        O[vO[i]] = vO[i+k-1];
    for(int i = 0; i < (int)vI.size() - k + 1; ++i)
        I[vI[i]] = vI[i+k-1];
    int naso[n];
    int nasi[n];
    int oo = n;
    int ii = n;
    for(int i = n-1; i >= 0; --i)
    {
        naso[i] = oo;
        nasi[i] = ii;
        if(s[i] == 'O')
            oo = i;
        if(s[i] == 'I')
            ii = i;
    }
    int odp = MAXN;
    for(int i = 0; i < n; ++i)
    {
        if(s[i] != 'J')
            continue;
        int a = J[i];
        if(k != 1 && a == 0) continue;
        int b = naso[a];
        if(b == n) continue;
        int c = O[b];
        if(c == 0) continue;
        int d = nasi[c];
        if(d == n) continue;
        int e = I[d];
        if(e == 0) continue;
        odp = min(odp, e-i+1);
    }
    if(odp == MAXN)
    {
        cout << "-1";
        return 0;
    }
    cout << odp - k*3;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2556 KB Output is correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2556 KB Output is correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2384 KB Output is correct
16 Correct 1 ms 2492 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 1 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 1 ms 2384 KB Output is correct
22 Correct 1 ms 2384 KB Output is correct
23 Correct 1 ms 2384 KB Output is correct
24 Correct 1 ms 2384 KB Output is correct
25 Correct 1 ms 2640 KB Output is correct
26 Correct 1 ms 2384 KB Output is correct
27 Correct 1 ms 2384 KB Output is correct
28 Correct 1 ms 2496 KB Output is correct
29 Correct 2 ms 2384 KB Output is correct
30 Correct 2 ms 2560 KB Output is correct
31 Correct 1 ms 2384 KB Output is correct
32 Correct 2 ms 2384 KB Output is correct
33 Correct 1 ms 2384 KB Output is correct
34 Correct 1 ms 2384 KB Output is correct
35 Correct 1 ms 2384 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2556 KB Output is correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2384 KB Output is correct
16 Correct 1 ms 2492 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 1 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 1 ms 2384 KB Output is correct
22 Correct 1 ms 2384 KB Output is correct
23 Correct 1 ms 2384 KB Output is correct
24 Correct 1 ms 2384 KB Output is correct
25 Correct 1 ms 2640 KB Output is correct
26 Correct 1 ms 2384 KB Output is correct
27 Correct 1 ms 2384 KB Output is correct
28 Correct 1 ms 2496 KB Output is correct
29 Correct 2 ms 2384 KB Output is correct
30 Correct 2 ms 2560 KB Output is correct
31 Correct 1 ms 2384 KB Output is correct
32 Correct 2 ms 2384 KB Output is correct
33 Correct 1 ms 2384 KB Output is correct
34 Correct 1 ms 2384 KB Output is correct
35 Correct 1 ms 2384 KB Output is correct
36 Correct 10 ms 5336 KB Output is correct
37 Correct 11 ms 5644 KB Output is correct
38 Correct 11 ms 5716 KB Output is correct
39 Correct 10 ms 5560 KB Output is correct
40 Correct 12 ms 5592 KB Output is correct
41 Correct 15 ms 5528 KB Output is correct
42 Correct 12 ms 5908 KB Output is correct
43 Correct 8 ms 4564 KB Output is correct
44 Correct 9 ms 5032 KB Output is correct
45 Correct 15 ms 5836 KB Output is correct
46 Correct 11 ms 5568 KB Output is correct
47 Correct 11 ms 5576 KB Output is correct
48 Correct 11 ms 5444 KB Output is correct
49 Correct 8 ms 4532 KB Output is correct
50 Correct 11 ms 5340 KB Output is correct
51 Correct 12 ms 5584 KB Output is correct
52 Correct 10 ms 5204 KB Output is correct
53 Correct 10 ms 5568 KB Output is correct
54 Correct 8 ms 5216 KB Output is correct
55 Correct 10 ms 5216 KB Output is correct
56 Correct 9 ms 5228 KB Output is correct