oj.uz

Submission #1114700

# Submission time Handle Problem Language Result Execution time Memory
1114700 2024-11-19T12:46:03 Z tkwiatkowski JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 21 ms 11092 KB 
#include<bits/stdc++.h>
using namespace std;
using i64 = int64_t;

vector<pair<i64, i64>> J;
vector<pair<i64, i64>> O;
vector<pair<i64, i64>> I;
string s;
i64 N, K;

void fun(char c, vector<i64>& poz)
{
    for (i64 i = 0; i < N; i++)
    {
        if (s[i] == c)
        {
            poz.push_back(i);
        }
    }
}

int main()
{
    //ios_base::sync_with_stdio(0);
    //cin.tie(0);

    cin >> N >> K >> s;

    i64 j = 0, o = 0, i = 0;
    for (i64 l = 0; l < N; l++)
    {
        if (s[l] == 'J') j++;
        else if (s[l] == 'O') o++;
        else i++;
    }
    if (j < K || o < K || i < K)
    {
        cout << "-1\n";
        return 0;
    }

    vector<i64> Jot;
    fun('J', Jot);
    for (i64 l = K - 1; l < Jot.size(); l++)
    {
        J.push_back({Jot[l - K + 1], Jot[l]});
    }
    vector<i64> Oot;
    fun('O', Oot);
    for (i64 l = K - 1; l < Oot.size(); l++)
    {
        O.push_back({Oot[l - K + 1], Oot[l]});
    }
    vector<i64> Iot;
    fun('I', Iot);
    for (i64 l = K - 1; l < Iot.size(); l++)
    {
        I.push_back({Iot[l - K + 1], Iot[l]});
    }

    i64 minn = INT64_MAX;
    for (i64 l = 0; l < O.size(); l++)
    {
        if (J[0].second > O[l].first || I[I.size() - 1].first < O[l].second)
        {
            continue;
        }

        //cout << l << " :: " << O[l].first << " : " << O[l].second << "\n";

        i64 poczciag, konciag;
        i64 pocz = 0, kon = J.size() - 1, srodek;
        while (pocz < kon)
        {
            srodek = (pocz + kon + 1) / 2;
            if (J[srodek].second < O[l].first)
            {
                pocz = srodek;
            }
            else
            {
                kon = srodek - 1;
            }
        }
        poczciag = J[pocz].first;
        //cout << J[pocz].first << " : " << J[pocz].second << "\n";

        pocz = 0, kon = I.size() - 1;
        while (pocz < kon)
        {
            srodek = (pocz + kon) / 2;
            if (I[srodek].first > O[l].second)
            {
                kon = srodek;
            }
            else
            {
                pocz = srodek + 1;
            }
        }
        konciag = I[pocz].second;
        //cout << I[pocz].first << " : " << I[pocz].second << "\n";

        minn = min(minn, konciag - poczciag + 1 - K * 3);
    }

    if (minn == INT64_MAX)
    {
        cout << "-1\n";
        return 0;
    }
    cout << minn << "\n";

    return 0;
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:44:27: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |     for (i64 l = K - 1; l < Jot.size(); l++)
      |                         ~~^~~~~~~~~~~~
ho_t2.cpp:50:27: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |     for (i64 l = K - 1; l < Oot.size(); l++)
      |                         ~~^~~~~~~~~~~~
ho_t2.cpp:56:27: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |     for (i64 l = K - 1; l < Iot.size(); l++)
      |                         ~~^~~~~~~~~~~~
ho_t2.cpp:62:23: warning: comparison of integer expressions of different signedness: 'i64' {aka 'long int'} and 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |     for (i64 l = 0; l < O.size(); l++)
      |                     ~~^~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 508 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 508 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 504 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 440 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 336 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 508 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 504 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 440 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 336 KB Output is correct
36 Correct 19 ms 6268 KB Output is correct
37 Correct 21 ms 11048 KB Output is correct
38 Correct 21 ms 10964 KB Output is correct
39 Correct 20 ms 6112 KB Output is correct
40 Correct 15 ms 5476 KB Output is correct
41 Correct 20 ms 5732 KB Output is correct
42 Correct 20 ms 11080 KB Output is correct
43 Correct 12 ms 3176 KB Output is correct
44 Correct 11 ms 4312 KB Output is correct
45 Correct 17 ms 5332 KB Output is correct
46 Correct 16 ms 5220 KB Output is correct
47 Correct 15 ms 5496 KB Output is correct
48 Correct 16 ms 5212 KB Output is correct
49 Correct 10 ms 3432 KB Output is correct
50 Correct 14 ms 4964 KB Output is correct
51 Correct 15 ms 5220 KB Output is correct
52 Correct 9 ms 3024 KB Output is correct
53 Correct 12 ms 3860 KB Output is correct
54 Correct 15 ms 11092 KB Output is correct
55 Correct 10 ms 4180 KB Output is correct
56 Correct 8 ms 3288 KB Output is correct